Honda305.com Forum

If the piston that is stuck is near the bottom then you should be able to rotate the crank and the high piston will slide down as the barrel lifts off the crankcase, revealing the bottom part of the liner on both sides. Fill the crankcase mouth with clean rags and jack the barrel up on pieces of ha...

Welcome to the site fellow cheesehead. (I live in West Allis, suburb of Milwaukee) I havn't visited the site in quite some time. In regards to your frozen pistons, I was once told by a buddy, that he poured liquid Drano in the cylinders of his siezed snowmobile engine and freed them up. I havn't he...

If you go to the Motors section and look for the thread 'Motor can not turn , can not use Kick start ' look for my post and you will see how I did it, it may help, but like Graham said don't try it if you have a piston at the top/bottom of the bore, my chemical of choice was Coca-Cola for its Phosp...

Hi all- I purchased a '67 'hawk from the original owner, and finally have the time to begin working on the engine. Although the bike was complete, the engine had been removed from the frame and the cylinder head removed from the engine. As a result, pistons are froze in the bores. Before I began usi...

Thanks, Guys! Will do!

After many years of wanting and looking for a Superhawk, I finally bought a '67 CB 77 from the original owner. Although the top end is removed and disassembled from the engine, the bike is all there. After getting the bike home and examing the bike further, I was surprised to see that under layers o...

Hello All - I just purchased my first CB 77. It's all original, and I bought it from the original owner.(!) The trouble is that the original owner had removed the engine and disassembled part of it . The head was removed, and the pistons appear to be froze. I appl ied WD 40 short term to at least ke...