Honda305.com Forum

I have a cl-77, my rear pipe attach point has over the years elongated and the hole is ovaled, that resulted in my low pipe riding the case and it wore a groove into the case. So I will weld a doubler plate on the attach point and that is another problem you may encounter. The case is functional and...

I have ordered complete gasket set today. I have two big bore kits for 305 include pistons rings,wrist pins complete top end gasket, supposedly the thick copper gasket is for the early model 9.5 compression fix reduce compression to 8.5 so no detonation or might be because the s-12 piston heights is...

any one out there selling a 305 head gasket? or want to trade I have original snuff or nots NOS not repros, two s-12 top end piston kits, two top end gasket sets for the s12 piston kits --- a thick copper head gasket that a party thinks might be early for lowering compression on the first 305 from 9...

I have been working to fix air leaks on my Honda 305 scrambler, between the carb and the intake blocks and the blocks and the head intake ports. I tried the figure eight sandpaper on the carb , the blocks, and some clean up on the head intake ports. I have improved but not corrected, the leaks are l...

any one out there want to sell a 305 head gasket? pn is 12251-275-306

I have my Honda cl-77, 305, 1967 year , top end off,honed cylinders,ground valves, I have a new std set of rings.The end gap is within tolerance. So---- instead of using a big bore piston with the top end gaskets. This set of gaskets has a thick copper head gasket, which a Honda mecanic says will no...

I am Looking for a set of std rings for after the year 1965-1968 piston rings that fit a CL-77. anyone out there have a set they would sell? I can trade new old stock snuff or nots original in package from the original Portland supplier! Have other NOS and used parts , I am not a dealer, just like t...