Author Topic: CR750 replica for the street  (Read 79464 times)

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Offline seanbarney41

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Re: CR750 replica for the street
« Reply #250 on: May 01, 2018, 07:27:14 PM »
Vincent, I am betting sometime during the first good ride of that fine machine you will lose all memories of a bad show experience.
If it works good, it looks good...

Offline ef9tuning

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Re: CR750 replica for the street
« Reply #251 on: May 02, 2018, 12:20:04 PM »
Seesh!! This is one hell of a build! Hats off to you sir!!
1978 CB750K

Offline PeWe

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Re: CR750 replica for the street
« Reply #252 on: May 03, 2018, 01:42:26 PM »
That bike is a time machine for many. 100% sure that many old guys will comment your bike and remember the old days when CR750 ruled the race tracks. Let them talk and remember the old days ;) Fun to see their happiness remember....

I get many good comments about my CB750K6-76 from people with memories of the 70's. "It look like a mint stock bike, a real survivor" etc etc. "I had a friend with a CB750 early 70's... I had one..."

Those judges should be crazy about my CB750.... not stock, not stock. Honda did not do that...color too dark sapphire blue, cylinder is wrong, carbs, holy pods !.... But that does not change my feeling or all others that see the bike.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Darren Jakal

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Re: CR750 replica for the street
« Reply #253 on: May 03, 2018, 03:37:51 PM »
You've created a beautiful machine, Vincent! Remember that criticism says as much about the critic as it does about the object being criticized. The fact that judges chose the bobber over your build says a lot about them and not your bike.

Don't let it bother you! dj

Offline Terry in Australia

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Re: CR750 replica for the street
« Reply #254 on: May 04, 2018, 07:09:16 PM »
I hate bike shows, and folks who own show bikes, only for the purpose of showing them. Bikes are meant to be ridden, not trailered to a show and parked like statues in an art gallery, so their owners can waffle on about them to anyone who'll listen, stab each other in the back for a pissy plastic trophy, then trailer them home again.

Fcuk bike shows, get out in the wind and enjoy that bike Vincent, it's a motorcycle, not a fcuking statue......... ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline gmn74cb750

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Re: CR750 replica for the street
« Reply #255 on: May 05, 2018, 06:02:06 PM »
Wow Vincent!!! What a beautiful bike!!! I couldn't agree with you more the cr750 is by far one of the most sexist bikes ever made and definitely my favorite. I could only hope one day to have the time and resources to create a masterpiece like yours.

Sent from my XT1254 using Tapatalk


Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #256 on: May 16, 2018, 08:26:40 AM »
Well-deserved congratulations to Vincent on winning Bike of the Month June 2018!

http://forums.sohc4.net/index.php/topic,171897.0.html
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #257 on: May 16, 2018, 08:51:49 AM »
Was there even a vote, or was it decided by default since no one dared to put a bike up against this magnificent work of art?

Polling is not an option with only one candidate.  No one dared to try to take on Vincent!
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #258 on: May 16, 2018, 11:21:26 AM »
Well the good news is that this bike will now be a legitimate candidate for BOTY.  8) Unchallenged or not, it’s fully eligible now!

It would have been a heck of a battle if H2Eric's CR race replica went head to head with Vincent's CR street bike.  I'll take one of each!
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Vincent

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Re: CR750 replica for the street
« Reply #259 on: May 26, 2018, 11:02:24 PM »
I've seen a lot of really nice Bike of The Month winners, and it's an honor to be in their company. Thanks to everyone who helped make that happen.

I've hesitated to come here with a problem, because I have this thing about wanting to figure everything out for myself. All that has brought me so far is a lingering problem with no solution in sight. This is the second electrical problem, and I'm happy to say the first one was solved by my friend Mike. But first, here's a sample of Mike's talent for finding solid, proven methods for handling wiring woes:



Pure genius, no? Anyway, back to the story. I would charge my Shorai battery up to about 13.5 volts, start the engine, and see the voltage go down to about 12.5. I found continuity between the white and green field coil wires and ground, but when I removed the field coil from the alternator cover, there was no continuity between the wires and the coil body. Screwed it back into the cover, and there was continuity again. Out again, and no continuity. Mike screwed in one of the screws that held it into the cover, and there was continuity between the screw and the coil body. Backed it out, and no continuity. I pulled out my parts manual and saw that the three screws are supposed to be 20mm long. I had replaced the stock screws with stainless flathead socket screws, and the store only had 30 mm screws. I poked a little rod into the hole, saw that there was room for 30mm, and thought, OK, I don't have to cut the screw down. Turns out the screw was long enough to make contact with the core of the coil, resulting in continuity and preventing charging. So that's over. Now the bike charges, but there is another problem that still remains. Since the battery ran down several times, I keep the charger handy. The bike can sit with a fully charged battery for a couple of days, but it can also suddenly drop to about 6.5 volts, and nothing will work. Since it's intermittent, I have no idea when - or where - to start looking. When the charge is full, I have working headlight, instrument lights, tail light, brake light, and horns, so there's no obvious culprit. I had taken off the fairing and front sprocket cover to access the alternator, and when I was done I went out for a short early-evening ride yesterday. Stayed around the neighborhood, so I was within pushing distance of home if things went bad.



Big fun. And big noise! But when I pushed it out to the street this evening for another ride, nothing worked, and the meter said 6.7 volts. But being a hard-headed (foolish?) person, I'm determined to ride to The Rock Store tomorrow morning, and then on up to Neptune's Net for lunch. It's been so long, and all I can think about lately is riding the thing! I'll be riding with my friend Will, so at least I'll have company if I wind up waiting for Hagerty Insurance to send out a roll-away truck.

So. I showed the bike at The Quail a few weeks ago, and here's a picture from shortly after the gates opened.



It was a great day, and there were tons of beautiful bikes. The judges came by in their blue blazers and straw hats, and they asked questions and had lots of nice things to say. They loved the tail light, and one of them said it was the nicest tail light he had ever seen on a CR seat. But then he asked me why the bike wasn't in Cafe Racer class. I said that when I filled out the forms to enter the bike, there was a list of classes that included Cafe Racer, Competition Street, and Custom. Not being a show person, I had no idea which class was appropriate for the bike, so I checked the box that said The Quail organizers could put it where it belonged. Well, they put it in Japanese 1937-1979, and when I arrived they gave me a little plaque to put on the lawn in front of the bike. That was the end of that. The bike that won in Japanese class was a totally restored gold '72 CB750 with NOS painted parts.



The bike that won the Cafe Racer class was a 1961 BAS Gold Star.



They were the right bikes to win in those classes. And Terry, I agree with you about bikes being meant to be ridden. Otherwise, they're just statues.

OK, now I'm off to a night of tossing and turning in anticipation of riding the bike. And hopefully not breaking down. It still only has 5.6 miles on it!

Offline scottly

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Re: CR750 replica for the street
« Reply #260 on: May 26, 2018, 11:10:40 PM »
Vince, something must be discharging the battery when the bike is sitting? 6.7 volts is extremely low for an LiFe battery, and may have damaged it. :(
Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline Terry in Australia

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Re: CR750 replica for the street
« Reply #261 on: May 26, 2018, 11:14:34 PM »
Well that Beeza looks fantastic mate, so no skin off your nose, but I would have protested about the K2 with the later model seat, rear fender, tail light and grab rail? Anyway, yours looks great mate, enjoy that ride! Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #262 on: May 26, 2018, 11:18:11 PM »
Vincent,

Lithium based batteries, once they drop below a threshold voltage level, will NEVER retain full charge.  It's their Achilles' heel.  I've had 2 die this way.  After they dropped below the level, it did not matter how long I charged them.  As soon as I took the batteries off the tender, they would start falling off.  The symptoms you are describing sound extremely familiar.  If this happens tomorrow, I would recommend inspecting/replacing the battery.
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline scottly

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Re: CR750 replica for the street
« Reply #263 on: May 26, 2018, 11:27:37 PM »
Disconnect the negative battery terminal when the bike sits overnight, until you find out what's draining it. Are you using an M-unit?
Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #264 on: May 27, 2018, 09:48:10 AM »
Are you using an M-unit?
I believe he is, and an M-Lock too.

I suspect that he drained the Shorai with the HI switch not deactivated when killing the bike, then damaged the Shorai (as Don said). Time to replace the battery.

Vincent, whenever you activate the HI switch, you must return the headlight to LO before deactivating the M-Unit, else it will be a parasitic drain on the battery. This is documented in the manual in an obscure way so many fall victim to it.

Damn! I didn't know about that idiosyncrasy.  Good to know.
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline 754

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Re: CR750 replica for the street
« Reply #265 on: May 27, 2018, 10:14:17 AM »
I think they need a class for Race Replica, and allow street legal and not street legal in it.
 Cafe Racer covers a pretty broad spectrum these days.
 Vincent dont worry about it, just go out and ride the bike the way you wanted to..
« Last Edit: May 27, 2018, 10:47:48 AM by 754 »
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline SOHC4 Cafe Racer Fan

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Re: CR750 replica for the street
« Reply #266 on: May 27, 2018, 10:22:32 AM »
Shows are fun to get inspiration (from others) and feedback.  It's sometimes hard to keep in perspective that show judging is completely subjective.  The CR is a spectacular bike.  Even if it didn't get a P1 trophy, it was still appreciated by the many people ogling it at the show.  I hope you make some fantastic memories riding it. 
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline PeWe

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Re: CR750 replica for the street
« Reply #267 on: May 27, 2018, 10:41:07 AM »
Well that Beeza looks fantastic mate, so no skin off your nose, but I would have protested about the K2 with the later model seat, rear fender, tail light and grab rail? Anyway, yours looks great mate, enjoy that ride! Cheers, Terry. ;D
CMSNL has that grab rail on theirs list as alternative., strange. I saw that when looking for parts and guidelines to my K2 build. I thought that rail started on K3. K6 here.
K2 to Sweden had only one small grab rail on left side, rear blinkers attached direct into frame with a smaller bracket
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline 754

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Re: CR750 replica for the street
« Reply #268 on: May 27, 2018, 10:49:50 AM »
K2 in that color here had the  grabrail. 
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline scottly

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Re: CR750 replica for the street
« Reply #269 on: May 27, 2018, 09:11:36 PM »
Are you using an M-unit?
I believe he is, and an M-Lock too.

I suspect that he drained the Shorai with the HI switch not deactivated when killing the bike, then damaged the Shorai (as Don said). Time to replace the battery.

Vincent, whenever you activate the HI switch, you must return the headlight to LO before deactivating the M-Unit, else it will be a parasitic drain on the battery. This is documented in the manual in an obscure way so many fall victim to it.

Damn! I didn't know about that idiosyncrasy.  Good to know.
It's not an idiosyncrasy, it's an idiotic "parking light feature", AKA drain the battery feature. >:(
Don't fix it if it ain't broke!
Helmets save brains. Always wear one and ride like everyone is trying to kill you....

Offline Vincent

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Re: CR750 replica for the street
« Reply #270 on: November 30, 2018, 10:49:29 PM »
I've had some interesting outings since I last checked in here. The first thing was straightening out the electrical problem, which - as Don predicted - involved replacing the Shorai battery with a new one. I also replaced the reg/rec, and relocated it from under the bike to just above the oil cooler, where it gets better air flow. 

When I started the bike in the garage for the first time, I thought the sound was monstrous, and that I'd need baffles right away. But then I took it up in the Angeles National Forest. The raspy rumble, the rising and falling notes, the blipping during downshifts - I think I'm hooked. I've never been a noisy bike person, but I told myself that a bike that looks like this really should sound how it looks. Besides, I'm not commuting on it, so it's not being started at 7:30 every morning. OK, enough excuses.

I took it to the Venice Vintage Motorcycle Club Rally and got a trophy for Best Cafe Racer. Met Shannon and the other Venice Vintage folks, saw some cool bikes, and took a fun "police"-escorted ride up to Malibu. The rent-a-cops stopped traffic at every intersection, so we got there without stopping for any lights. Now THAT'S the way to travel!









The next weekend, I took the bike to a Sunday Cruise-In Show at The Petersen Automotive Museum. Nice people, and a variety of great vehicles. When they announced the winners, I was shocked to hear the guy say "CR750 Replica" after he said "Best In Show". Yikes. If you're anywhere near LA and you're into any kind of vehicles, see The Petersen. Sports cars, race cars, lowriders, trucks, electrics, movie cars, customs, classics.









Most recently, I went on the Hansen Dam British ride. Another great event if you're anywhere around LA. Once each spring and once each fall, it's put on by the Norton Club and the BSA club. Even though it says British, there are also Italian, Japanese, German, and American bikes. And again, race, street, antique, custom, classic - basically, any interesting thing you can think of. It's a gathering of literally hundreds of bikes, about a 100 mile loop through the mountains, and a show. I wound up lingering too long over my burrito at Casa Gutierrez and got back too late for the show, but it was a great ride.







OK, so while I was there, Jay Leno rolled up on a 1954 Vincent Black Prince. When he saw my bike he was very interested, and he said he thought it would be a good bike to have on Jay Leno's Garage. I gave him my contact info, but I didn't tell anyone because I didn't want to have to tell people later that it wasn't happening. But then his producer called and we set up a date to appear. I'm still blown away. Someone at work said "Wow, you're going to be a star", and I said "The bike could be a star. They only need me because somebody has to bring the bike up there."



So. When I added a second disc, I retained the original master cylinder because one from an early GL1000 wouldn't fit through the clipon cutout in the fairing. The lever felt squishy even with the stainless lines, but the brakes still worked, and I thought I would just live with it. But now I imagine Jay may be riding the bike, and I'd hate to hear him speaking into his wired helmet and saying "Hey, where are the brakes?" So I started looking online for another master cylinder that would be good for dual discs. The only one I could find was one that looked more like a Kawasaki part. But then I came across one that was more like the Honda part, and had a 16 mm bore rather than the stock 14 mm bore. I ordered one, and I had to deal with the threaded boss that mounts the rear view mirror. Since my mirrors are somewhere else, I used a hacksa........oops, I mean I used a precision cutting instrument to removed the boss. Then I filed and sanded the part, threaded an aluminum rod and screwed it tight into the remaining threads, cut it off, smoothed it, and had it powder coated.













The next thing to deal with was the lever. It's different enough that I can't use my old lever in its place, but there were things that I could change. The ball end on the new one was too big, so I squared it off with the belt sander and then filed and sanded it into a smaller-sized ball.







It was also too curved, so I traced the curve of the old lever onto a piece of wood, cut along the line, and then clamped the new lever between the two pieces of wood and bent it to where it's a pretty good match for the old lever. I didn't have any hardwood, so I used a piece of Douglas fir. It did part of the straightening, but then the lever started to sink into the wood. At that point, I put two small flat pieces of 3/4 inch plywood in the vice and brought it the rest of the way. I had run into this situation earlier in the project, where I wanted to bend an aluminum part. On the internet I found out that:
1. You have to heat the part first.
2. The part can only be bent when it's cold.
3. You have to bend it very gradually.
4. You have to bend it quickly by striking it.
5. No matter what you do, the part will break.
We've probably all seen a brake or clutch lever that was bent in a fall. Sometimes they're even bent into a C shape without breaking. I took my unscientific, anecdotal observation and figured I'd give it a shot, since it didn't have to bend really far. Gradually and nervously, I applied pressure until it was close to where I wanted it, and then called it quits. I don't think there's any piece on this bike that didn't have to be fiddled with before I could mount it.









We've had our discussion here about bike shows, and now I can say that it's definitely nice to get a trophy, but the biggest thrill is when people come up at The Rock Store, or Newcomb's Ranch, or at a gas station or traffic light and ask about the bike. It seems like most people say "What is it?" or "Is this new?", but then someone else - usually someone a little older - will say "Wow, I've never seen one of these on the road. Where did you get it?" And I say "How much time do you have?"



Not a garage queen.



Thanks for looking.

Vincent

Offline andy750

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Re: CR750 replica for the street
« Reply #271 on: December 01, 2018, 01:33:58 PM »
Vincent so cool on so many fronts (great update) but the best part for me is "not a garage queen" - excellent!

Please paste a link to Jay Lenos Garage when you finally get on it - well done!!

cheers
Andy
Current bikes
1. CB750K4: Long distance bike, 17 countries and counting...2001 - Trans-USA-Mexico, 2003 - European Tour, 2004 - SOHC Easy Rider Trip , 2008 - Adirondack Tour 2-up , 2013 - Tail of the Dragon Tour , 2017: 836 kit install and bottom end rebuild. And rebirth: http://forums.sohc4.net/index.php/topic,173213.msg2029836.html#msg2029836
2. CB750/810cc K2  - road racer with JMR worked head 71 hp
3. Yamaha Tenere T700 2022

Where did you go on your bike today? - http://forums.sohc4.net/index.php?topic=45183.2350

Offline Vincent

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  • Posts: 104
Re: CR750 replica for the street
« Reply #272 on: December 01, 2018, 04:49:05 PM »
Hi Andy,

We tape on December 11, and they show the episodes on CNBC. When I find out the air date, I'll post it.

Definitely not a garage queen. To me, a bike you don't ride is a sculpture. I once read a quote attributed to Jay Leno, and I guess I'll have the opportunity to ask him if it's accurate. Speaking about using his various vehicles, he apparently said "We restore them to 100 points, and then I drive them back down to 90." I say Right on! The only drawback with this bike is that the ergos are not good for long rides. Aleve is my new best friend, but even with that, I get numbness in my fingers after a while. And the seat is thin, it's right over the oil tank, and ......well, take a look at where the oil cap is, and you'll know why I say that almonds and cashews are not the only roasted nuts.

Vincent

Offline 754

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Re: CR750 replica for the street
« Reply #273 on: December 01, 2018, 05:14:30 PM »
After a shaky first bike show outing, it's nice to see you got the due respect and welcome the bike deserves..
 Good for you.l
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline PeWe

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Re: CR750 replica for the street
« Reply #274 on: December 01, 2018, 11:49:40 PM »
My fingers became to feel like "white fingers" as can be a problem for people working with vibrating tools. I reduced air pressure in front wheel and it felt much better. I had more than Honda recommends on their sticker. Too much in rear not good either, "jumpy" handling.

Invitation to Jay Leno's garage must be one of the finest prices and well earned recognition for a well done build!
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967