Engine compression reading

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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clanger9
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Joined: Sat Jun 20, 2015 9:38 am
Location: Chester, UK

Re: Engine compression reading

Post by clanger9 »

Woodland wrote:Also i run on normal unleaded fuel, should I be thinking about getting the head converted and adding hardened valve seats at some time?
These engines are fine on unleaded. They have a hardened exhaust seat.
On a CSR, I'd recommend running super unleaded if you are running the original high-compression piston. Mine was noticeably happier on super...
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