Honda305.com Forum

He said the holes were due to detonation because of incorrect timing.

Hello! I have found a 69 superhawk 305cc for sale that had its engine just rebuilt. The owner mounted the engine to the bike, set it up, and started it up. It ran rough, and he rode it for about 1/2 and the PISTONS blew. Both pistons have holes in them. He is selling the bike with 2 new pistons (uni...