2006 Ski Doo REV Service Shop Manual, Page 147Get this manual
Section 03 ENGINES Subsection 07 (ENGINE MEASUREMENT)
F00D0HA
F00D0EA
1Top of spark plug hole
NOTE: The liquid level in cylinder must not drop for few seconds after fillingIf so, there is leak between piston and cylinderThe recorded volume would be false Let burette stand upward for about 10 minutes, until liquid level is stabilized Read the burette scale to obtain the quantity of liquid injected in the combustion chamberNOTE: When the combustion chamber is filled to top of spark plug hole, it includes an amount of 2.25 cc corresponding to the spark plug well Repeat the procedure for the other cylinder Install thicker or thinner cylindercrankcase gasket (refer to Parts Catalogs) in order to obtain the specified combustion chamber volume or the nearest