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View Full Version : Compression reading for 2004 25hp yamahaH



keen_angler
07-03-2009, 01:57 PM
Hi Guys,

Does anyone know what the compression reading should be on a Yamaha 25hp 2 stroke.

Is 110 for both cylinders ok.

Cheers

Steeler
07-03-2009, 03:30 PM
Hi keen_angler

IMO 110psi on both is good,nice and even.

Cheers

Steve