750c

New to me 1981 CB750 Custom (DOHC), and I can't get the timing chain(s) to stop slapping, they just fall out of adjustment or slap at deceleration, acceleration, etc. so Imma thinking the cam chain tensioners are no longer doing their job (based on my web searches). I'm more of a parts changer...

So, I have an 82' 750c that i just rebuilt the carbs on. i got everything put back together after following this PDF https://www.cb750c.com/publicdocs/SeanG/Honda_Carb_Manual_revG.pdf after re-attaching the carbs to the bike, and starting it, the bike idled at 4k. adjusting the pilots screws...

Before anyone says a thing...Yes I used the "SEARCH" function. Any way. Earlier this year I bought a 1982 CB750C. The previous owner had rebuilt the engine and replaced the stock cams with CB900 cams. He had also added MAC 4 to 2 pipes which have zero baffles in the megaphones meaning basically...