Sea-Doo 951 Piston Clearance and Scoring - Gray Ghost Resurrection
In this video I explain what piston scoring is and also show you how to measure your pistons and cylinders using a micrometer and a bore gage. I then show you how to calculate the clearance and compare with the engine specs. Resurrecting a Seadoo 97.5 GSX Limited aka the Gray Ghost. This was the first year of the big 947/951 Rotax Engine.

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