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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #75 on: March 03, 2016, 03:19:48 PM »
now for some help. i have a mac 4-1 exhaust. can anyone help me how this goes on? the connector on the exhaust dont fit over the stock silver chrome things that go to the engine. i tried putting the mac exhaust without the stock tips on but they seem to long for the screws to fit properly. how would i mount this exhaust? thanks for any help
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Offline Lammers000

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Re: 1976 Honda CB750K First Build
« Reply #76 on: March 03, 2016, 05:11:55 PM »
I havent had experience with installing one of the MAC system yet, but I believe the exhaust studs in the cylinder head should pop through the flanges that are hard welded to the exhaust?
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Offline seanbarney41

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Re: 1976 Honda CB750K First Build
« Reply #77 on: March 03, 2016, 06:10:32 PM »
Quote from: ponishenko3136 on March 03, 2016, 03:19:48 PM
now for some help. i have a mac 4-1 exhaust. can anyone help me how this goes on? the connector on the exhaust dont fit over the stock silver chrome things that go to the engine. i tried putting the mac exhaust without the stock tips on but they seem to long for the screws to fit properly. how would i mount this exhaust? thanks for any help
you don't use the original spigots.  Save them for if you change exhausts in the future.  Also, the original spigot screws are too short.  MAC supplies socket head cap screws with their pipes.  If you are missing them, you will have to source these...or better yet get studs and nuts, as already posted    ...and don't forget some new copper crush gaskets.
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #78 on: March 03, 2016, 06:57:59 PM »
Quote from: seanbarney41 on March 03, 2016, 06:10:32 PM
Quote from: ponishenko3136 on March 03, 2016, 03:19:48 PM
now for some help. i have a mac 4-1 exhaust. can anyone help me how this goes on? the connector on the exhaust dont fit over the stock silver chrome things that go to the engine. i tried putting the mac exhaust without the stock tips on but they seem to long for the screws to fit properly. how would i mount this exhaust? thanks for any help
you don't use the original spigots.  Save them for if you change exhausts in the future.  Also, the original spigot screws are too short.  MAC supplies socket head cap screws with their pipes.  If you are missing them, you will have to source these...or better yet get studs and nuts, as already posted    ...and don't forget some new copper crush gaskets.
yes i have the bolts that came with the mac exhaust and new copper gaskets. so do i just put them in as much as they go and use the long screws? that will do?
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Offline evanphi

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Re: 1976 Honda CB750K First Build
« Reply #79 on: March 04, 2016, 04:48:11 AM »
Quote from: ponishenko3136 on March 03, 2016, 06:57:59 PM
Quote from: seanbarney41 on March 03, 2016, 06:10:32 PM
Quote from: ponishenko3136 on March 03, 2016, 03:19:48 PM
now for some help. i have a mac 4-1 exhaust. can anyone help me how this goes on? the connector on the exhaust dont fit over the stock silver chrome things that go to the engine. i tried putting the mac exhaust without the stock tips on but they seem to long for the screws to fit properly. how would i mount this exhaust? thanks for any help
you don't use the original spigots.  Save them for if you change exhausts in the future.  Also, the original spigot screws are too short.  MAC supplies socket head cap screws with their pipes.  If you are missing them, you will have to source these...or better yet get studs and nuts, as already posted    ...and don't forget some new copper crush gaskets.
yes i have the bolts that came with the mac exhaust and new copper gaskets. so do i just put them in as much as they go and use the long screws? that will do?

Yes!

If you want them in stainless socket head I can send you some.

Do you have a link to the fuel cap you're using?
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--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #80 on: March 04, 2016, 01:45:31 PM »
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #81 on: March 04, 2016, 01:47:20 PM »
put the exhaust on with some help from some previous posts. hope i did it right. they fit in right to the crush gaskets. i didn't put the muffler on yet just the exhaust
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Offline seanbarney41

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Re: 1976 Honda CB750K First Build
« Reply #82 on: March 04, 2016, 02:00:10 PM »
looks like you got it figured out...it may help to loosen the bolts you already got in a bit before installing the muffler.  Best practice is to get everything in place loose, then tighten everything up.
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #83 on: March 04, 2016, 03:23:49 PM »
Quote from: seanbarney41 on March 04, 2016, 02:00:10 PM
looks like you got it figured out...it may help to loosen the bolts you already got in a bit before installing the muffler.  Best practice is to get everything in place loose, then tighten everything up.
thanks, will probably have to do that
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Offline SOHC4 Cafe Racer Fan

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Re: 1976 Honda CB750K First Build
« Reply #84 on: March 04, 2016, 04:28:43 PM »
Quote from: ponishenko3136 on March 04, 2016, 01:45:31 PM
this is the one i got from carps
https://carpyscaferacers.com/shop/honda-cb500-cb550-cb750-parts-upgrades/alloy-flip-top-gas-cap/

That is a marine gas tank cap.  I think you can get them on-line for about $25.
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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 ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #85 on: March 04, 2016, 04:54:11 PM »
Quote from: CB750 Cafe Racer Fan on March 04, 2016, 04:28:43 PM
Quote from: ponishenko3136 on March 04, 2016, 01:45:31 PM
this is the one i got from carps
https://carpyscaferacers.com/shop/honda-cb500-cb550-cb750-parts-upgrades/alloy-flip-top-gas-cap/

That is a marine gas tank cap.  I think you can get them on-line for about $25.
haha that would have been nice to know a while ago when i bought it lol oh well, maybe next time
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Offline SOHC4 Cafe Racer Fan

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Re: 1976 Honda CB750K First Build
« Reply #86 on: March 04, 2016, 06:10:07 PM »
Quote from: ponishenko3136 on March 04, 2016, 04:54:11 PM
Quote from: CB750 Cafe Racer Fan on March 04, 2016, 04:28:43 PM
Quote from: ponishenko3136 on March 04, 2016, 01:45:31 PM
this is the one i got from carps
https://carpyscaferacers.com/shop/honda-cb500-cb550-cb750-parts-upgrades/alloy-flip-top-gas-cap/

That is a marine gas tank cap.  I think you can get them on-line for about $25.
haha that would have been nice to know a while ago when i bought it lol oh well, maybe next time

Sorry!
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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 ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #87 on: March 04, 2016, 07:46:34 PM »
Quote from: CB750 Cafe Racer Fan on March 04, 2016, 06:10:07 PM
Quote from: ponishenko3136 on March 04, 2016, 04:54:11 PM
Quote from: CB750 Cafe Racer Fan on March 04, 2016, 04:28:43 PM
Quote from: ponishenko3136 on March 04, 2016, 01:45:31 PM
this is the one i got from carps
https://carpyscaferacers.com/shop/honda-cb500-cb550-cb750-parts-upgrades/alloy-flip-top-gas-cap/

That is a marine gas tank cap.  I think you can get them on-line for about $25.
haha that would have been nice to know a while ago when i bought it lol oh well, maybe next time

Sorry!
my fault for hurrying. live and learn
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #88 on: March 13, 2016, 10:21:44 AM »
got a headlight from dimecitycycles and crg mirrors
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #89 on: March 22, 2016, 09:40:28 PM »
ordered everything i need to finish this thing up, meanwhile i put on what i had. put on the throttle cables, clutch, speedo, tach, put the battery in and put on the led tail light and hooked it up to check it out. I'm pleased with how clean it looks. waiting on the m-unit to show up, wiring kit, and moto gadget turn signals. getting close to the final push
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Offline calj737

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Re: 1976 Honda CB750K First Build
« Reply #90 on: March 23, 2016, 05:09:50 AM »
You'll need diodes between the MG turn signals and the gauge you bought for the TURN idiot light. That gauge has only a single "inout" to it for TURN indicators, but you have 2 separate MG signals. Also, you'll be running new wiring from the M-unit to your tail light, just in case you didn't realize that...
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #91 on: March 23, 2016, 08:41:08 AM »
Thanks for all that. This is my first time doing anything like this, so it should be "fun" I have a bit of electrical know how and my friend majored in electrical so he'll help me out. once again thanks for the help. I hope I don't screw things up too much haha
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Offline calj737

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Re: 1976 Honda CB750K First Build
« Reply #92 on: March 23, 2016, 08:47:03 AM »
Let me know if you need help on the m-unit. I've done a few...
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline SOHC4 Cafe Racer Fan

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Re: 1976 Honda CB750K First Build
« Reply #93 on: March 23, 2016, 08:55:03 AM »
FYI - Cal is the forum's resident guru on M-Unit wiring.  Something to remember.  Before you do trial and error, you might want to float your wiring plan to Cal and get his input.  If he gives you suggested changes, you should strongly consider them (or really just incorporate them).  He has wired and fixed the wiring on several bikes now.
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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 ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #94 on: March 23, 2016, 09:39:25 AM »
awesome that's great to know. thanks. i might just do that if he doesn't mind lol
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #95 on: March 23, 2016, 09:40:11 AM »
Quote from: calj737 on March 23, 2016, 08:47:03 AM
Let me know if you need help on the m-unit. I've done a few...
i sure will. i dont want to screw anything up and end up burning my bike down. thanks
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #96 on: April 22, 2016, 10:24:30 AM »
while i was waiting for all my electrical components, i built a custom oil tank. i used parts from the original tank and made this one. I'm pretty happy with how it turned out.
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Offline ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #97 on: April 22, 2016, 10:25:51 AM »
and this is when it was just tacked up. everything is welded up and grinded and will be powder coated after tested for leaks
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Offline SOHC4 Cafe Racer Fan

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Re: 1976 Honda CB750K First Build
« Reply #98 on: April 22, 2016, 11:01:58 AM »
That's a pretty stout tank. 
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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 ponishenko3136

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Re: 1976 Honda CB750K First Build
« Reply #99 on: April 22, 2016, 12:48:21 PM »
thank you
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