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Author Topic: CB750 engine in a 82 650 frame?  (Read 705 times)

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Offline tourmax

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CB750 engine in a 82 650 frame?
« on: April 20, 2022, 08:49:24 AM »
Only tossing the idea around right now. Anyone ever try a SOHC 750 in a 650 (or 500/550) frame? My 650 may or may not be "salvageable" and just floating different ideas just in case the 650 is done (lots of parts are no longer for 650 rebuilds).

Moving/fabricating the mount points around isn't an issue for me, I'm well equipped for that. I'm more worried about clearance inside the frame and any difficulties with servicing (ie: valve clearances, carb removals, etc) or other "gotcha's" like chain alignment....
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1989 FJ1200, 1983 Yamaha Venture (Vmax conversion), 1985 VF 750F Interceptor, 1982 CB650SC, 1988 Corvette convertible (Z52), 1983 Mustang GT, 2009 Mini Cooper Clubman.Couple more lying around but this is long enough already!

Offline bryanj

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Re: CB750 engine in a 82 650 frame?
« Reply #1 on: April 20, 2022, 09:24:32 AM »
Dont think it will fit
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Offline ekpent

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Re: CB750 engine in a 82 650 frame?
« Reply #2 on: April 20, 2022, 10:58:04 AM »
Need to find a home for an oil tank.
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Offline tourmax

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Re: CB750 engine in a 82 650 frame?
« Reply #3 on: April 20, 2022, 11:29:05 AM »
Quote from: ekpent on April 20, 2022, 10:58:04 AM
Need to find a home for an oil tank.

Not a problem.

;)
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1989 FJ1200, 1983 Yamaha Venture (Vmax conversion), 1985 VF 750F Interceptor, 1982 CB650SC, 1988 Corvette convertible (Z52), 1983 Mustang GT, 2009 Mini Cooper Clubman.Couple more lying around but this is long enough already!

Offline Alan F.

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Re: CB750 engine in a 82 650 frame?
« Reply #4 on: April 20, 2022, 02:53:59 PM »
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Offline Kevnz

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Re: CB750 engine in a 82 650 frame?
« Reply #5 on: April 20, 2022, 02:54:55 PM »
Might be a better idea to fit a 500\550 in there. Easier and better parts availabilty.
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