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Author Topic: '77 750F. off the back burner, on to the front.  (Read 8760 times)

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Offline Robbo22

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Re: '77 750F. off the back burner, on to the front.
« Reply #25 on: July 11, 2013, 07:09:34 AM »
BC,

If the muffler is in good condition and you are thinking of going with an aftermarket, I might be interested in the old muffler.

Thanks,

Robbo22
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Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #26 on: July 11, 2013, 07:13:34 AM »
PM sent. It's available along with the header. 


Quote from: Robbo22 on July 11, 2013, 07:09:34 AM
BC,

If the muffler is in good condition and you are thinking of going with an aftermarket, I might be interested in the old muffler.

Thanks,

Robbo22
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Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #27 on: March 07, 2014, 01:21:13 PM »
small update, but there IS slow progress. Been cleaning parts and slowly P/Cing and re-assembling. Brake system is ready to go. Wheels just need powder (need to find time to go do that).

Scored a Guiliardi F-model seat from Wobbly. I love it because it's different, but it's way bigger than I thought. Did a quick first vision rendering just to gather my thoughts. Not crazy about the Marzocchi shocks. I'll rebuild them and decide once it's "done."

Once the wheels are done, the motor will be coming out and at least getting the head serviced and rubber pucks replaced as there is a decent amount of oil coming from that area.


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Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #28 on: July 07, 2015, 05:34:46 PM »
This is finally coming together! Turns out owning a business and having a son don't leave me much time to work on this, but I'm squeezing in time whenever I can. I have a lot of parts to assemble now! As you can see I've strayed a bit from the concept rendering.

Powder was done by Atom Bomb in RVA. They did a set of AMA superbike wheels in flat red and once I saw it, I had to coat the frame that color. Tank and tail will be silver with carbon fiber graphics.




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Online seanbarney41

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Re: '77 750F. off the back burner, on to the front.
« Reply #29 on: July 07, 2015, 08:31:58 PM »
Quote from: BCBarker on March 07, 2014, 01:21:13 PM
small update, but there IS slow progress. Been cleaning parts and slowly P/Cing and re-assembling. Brake system is ready to go. Wheels just need powder (need to find time to go do that).

Scored a Guiliardi F-model seat from Wobbly. I love it because it's different, but it's way bigger than I thought. Did a quick first vision rendering just to gather my thoughts. Not crazy about the Marzocchi shocks. I'll rebuild them and decide once it's "done."

Once the wheels are done, the motor will be coming out and at least getting the head serviced and rubber pucks replaced as there is a decent amount of oil coming from that area.



oh god...I think I am in love with that seat, really...
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If it works good, it looks good...

Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #30 on: July 08, 2015, 06:33:46 AM »
That's why I had to jump on it!
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Offline 70CB750

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Re: '77 750F. off the back burner, on to the front.
« Reply #31 on: July 08, 2015, 07:04:48 AM »
Are those tubeless Comstar wheels?
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Prokop
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I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
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2006 KLR650

Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #32 on: July 08, 2015, 07:11:42 AM »
Quote from: 70CB750 on July 08, 2015, 07:04:48 AM
Are those tubeless Comstar wheels?

I think so, I can't find a reason to use a tube with these and they didn't have a tube to begin with. On that note, I bought Shinko 705's but I'm thinking of going with something a little more "street" like Avon AM26's


or


Thoughts?
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Offline 70CB750

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Re: '77 750F. off the back burner, on to the front.
« Reply #33 on: July 08, 2015, 07:41:48 AM »
I know they came with 79 DOHC and on some 78SOHC bikes.

Than there were people who use tubed Comstars to run tubeless, general opinion is that being risky to some extent, the tire rim is different.

Maybe the PO was one of those people?

Tires are for a long discussion, I used a set of BT45s and was very happy with them (one front and two rear tires, total 12 000 or so miles)

But when I needed new set for long trip, I bought a set of Shinko 712s and they served me well through Tail of Dragon and ever since.

Than there are people who run or did run Kenda dual sport tires on CB750 - Andy750 is one of them I believe
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Prokop
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Pure Gas - find ethanol free gas station near you

I love it when parts come together.

Dorothy - my CB750
CB750K3F - The Red
Sidecar


CB900C

2006 KLR650

Offline Stev-o

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Re: '77 750F. off the back burner, on to the front.
« Reply #34 on: July 09, 2015, 03:54:08 AM »
Avon Roadriders are excellent tires, you will be very happy worth them.
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline s10hornet

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Re: '77 750F. off the back burner, on to the front.
« Reply #35 on: July 09, 2015, 11:31:12 AM »
I have the Bridgestone Spitfires on my 76 f model.  They are great. dual compound, good in the wet, last a long time and reasonably priced.
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Offline SOHC4 Cafe Racer Fan

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Re: '77 750F. off the back burner, on to the front.
« Reply #36 on: July 09, 2015, 11:46:39 AM »
I've had the Bridgestone Spitfires and Avon Roadriders. I prefer the Bridgestone BT45s.  Roadriders have good grip but tend to track the grooves in highway pavement.  Spitfires do not provide the best edge grip.  Just my $0.02!
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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 BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #37 on: April 09, 2017, 11:58:02 AM »
Hey all, I'm having a bit of motor bad luck and am looking for some confirmation. In addressing the head issue on the motor, I opted to swap out the studs for HD studs. Well, 6 of them are stuck good. Even tig welding nuts to the snapped portion didn't move them.

So I was looking at getting either another F bottom end or another F set of cases.

My question is, can I use any bottom end from any year for either of those scenarios, or do I need to stick with an F model?

Thanks!


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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: '77 750F. off the back burner, on to the front.
« Reply #38 on: April 09, 2017, 12:17:03 PM »
One thing you can not do is mix and match top and bottom halves. Gotta use a matched set. With that said you also need to use 77/78 F or K ONLY as they have the 10mm double row offset output shaft bearing. The 77/78 F utilizes less oil returns from the top end. Better let someone chime in on that subject to determine if you can use the F top end with a 77/78 K bottom end.   
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #39 on: April 09, 2017, 01:13:42 PM »
That is helpful. I knew something was different but I did t know what. I'll let others chime in about the F to K sharing.


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Offline BCBarker

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Re: '77 750F. off the back burner, on to the front.
« Reply #40 on: December 08, 2017, 07:51:01 AM »
Haven't touched the bike in a while due to my company growing and work overwhelming me, but I've finally had a breather and was able to clear the work table to get something done. Swing Arm has new bushings, and the Triple is ready to go in. Now if I can just get back into town to make this thing a roller.... on a plane now.



Stay tuned!
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