Yamaha 426 high comp piston help

Hi I'm rebuilding a knackered engine and thinking of a high comp 13.5.1 piston

Is there anything else that needs doing if I fit it? And Will it need re jetting

Iv got a standard one and this high comp one and can't decide witch to put back in

Thanks

Not sure about rejet but you will need to run a higher octane gas

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now