Honda305.com Forum

I have a box of genuine Honda piston rings for a 305 engine. Part number on the box looks like 18030-275-000 or maybe 13030-275-000. Not sure. Would these be standard rings or oversize?

Greetings all! Just joined the forum and am interested in what y'all are saying. I recently bought a 1965 305 Dream with 9800 miles, not necessarily to ride but to play with. It's an older restoration or a fairly well kept original as far as I can tell. All the parts and pieces are there with only a...