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AMC forgive me for I have sinned. I am into the second rebuild of my ‘82, in my first rebuild I swapped out used exhaust valves for other used exhaust valves from a spare engine. I lapped them in etc, but I now see from some of your other threads that this was not my smartest move. I got a solid...

Hi First time engine rebuild- I am learning a lot 😝 Full disclosure; I thought I had completed the engine rebuild on my ‘81, until the fact I had zero compression led me to realize I mistimed both cams on installation. I do understand I may have damaged valves, we will see. ( If you can think of...

I need to replace shims (probably all of them) on my '82 DOHC. Does anybody know of a place I can order them from? Thanks😎

All I want to do is check my valve clearances, should be simple- right? Bike was running fine most of last season, but poor starting made me decide to take a look at the valves before timing and carbs... Issue one; when the end of my camshaft is at the position stipulated in my Clymer manual...

Hi guys. I'm starting a carb improvement project; my '81 has never started very well and I'm tired of hanging onto the throttle for 10 minutes every time I start it up. The bike is now going have to be a daily commmuter -rain and shine- it's got to be more user friendly. After checking valve...

I will ask a better question...

Suggestions please :) I need an upgrade to the standard horn I have on my '81 750K. Currently it sports a replacement from CB750Vintage.com; it was promptly delivered and looks great but is really weedy. Pathetic in fact. When I sit on the bike with my helmet on and the engine running, I can...

100k ago I changed out the fork seals on my '81 750K. They were delivered (promptly) from vintage CB750 cycle parts; I have used these guys for several items and they seem good so far... Both seals are already leaking however. I might just order another pair and try a different installation...

I have a 1981 750K. I brought it in 2012 -running perfectly This poor maligned beast then sat in a leaky freezy garage for two years while I have been doing house renovations. (Yeah, I know, I hate myself too). Bringing the machine back to life this summer, I have worked through the more...