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Dec 4, 2018 - 8:00PM

over size piston ?

looking to up the cc on my m21 and found this site?

email (option): edwardstony@rocketmail.com

Dec 5, 2018 - 10:22AM

Re: over size piston ?

There are pistons available to enlarge your M21 up to 720 cc. Ian Wright knows more about these pistons, Ian is often on this forum.

Henk

email (option): ahum@quicknet.nl

Dec 5, 2018 - 2:49PM

Re: over size piston ?

Aloha Tony,

Have a look over at the technical section, under “A little extra power” and you’ll find some info.

/Simon