honda305.com Forum
Vintage Honda Owners, Restorers, Riders and Admirers
Latest Registry Entry
1965 Honda CP77 — Ulsan Metro City, Rep. Korea
Restored with original parts — Owner: J. Doe
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- Mon Apr 29, 2019 3:24 am
- Forum: Wanted - Parts | Bikes | Services
- Topic: Pistons no longer needed
- Replies: 5
- Views: 2704
305 pistons
Hi Geoff, I was stuck for pistons, rip off prices or having to buy all separate bits which would have cost a fortune. After a lot of research I found the CB145 piston would fit. It is 61mm std bore 1mm over the 305cc 60mm bore, the gudgeon pin is 15mm and the pin to crown is the same. I have a pair ...