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Hi Guys, I'm bring my 1980 CB750C from 62mm to 65mm for the Wiseco 823cc piston kit. I'm curious though, what's the most the stock cylinders can be bored out? Will the cylinders become unstable sooner now because I am widening them each by 3mm? thanks!

Hi Guys (re-posted here instead of Garage) I have a 1980 CB750C I am rebuilding, and while I have the engine open I am curious if it's possible to increase the stroke by using the crankshaft from a cb900f engine. If so, are there any additional parts I would need to make that work? I am boring...

Hi Guys, I have a 1980 CB750C I am rebuilding, and while I have the engine open I am curious if it's possible to increase the stroke by using the crankshaft from a cb900f engine. If so, are there any additional parts I would need to make that work? I am boring the cylinders from 62mm stock to...

Looks like it may be a discontinued part but I was curious if anywhere sells new OEM or compatible aftermarket collars for the front wheel hub. thanks in advance.

I'm trying to remove my front hub so i can replace the wheel bearing and powder coat the rims. My manual doesn't go into detail on how to do this and it seems the bolt is very tight. My manual says remove the axle nut and spacer and then remove the axle from the other side along with the...

I have a 100% stock 1980 CB750c that I've been working on and off for the past 6 months. The carburetors are seeming to be a lot of work for me and I think I'd rather buy the Keihlin CR29s and straight out replace them. I also like the fact that with these I could eliminate the air box and...

I'm looking for an affordable but still durable chain and sprocket kit for my 1980 CB750c. I believe the specs needed are: 18T front, 43T Rear, 530 and 106 link chain. even if you know a decent sprocket kit and chain separate that's fine. Was just looking for something totally around $200 if...

I'm looking for a wiring harness for my 1980 CB750C. Vintagecb750.com has them but no for my exact model (1980 CB750K and F only). I would think that they should be able to be used for the C model as well, but there is a specific message that says "NOTE: These fit model years and type listed...

Hello, I'm new to this forum and am looking to get my CB750C in working order. The bike was given to my dad in 1997 in perfect physical and running condition. I'm sad to say that after a few months he never rode it again and said it would be mine when I was old enough to ride. It was never...