Bombardier SeaDoo 1997 factory shop manual, Page 68Get this manual
Section 03 ENGINE Sub-Section 05 (TOP END)
2Obtain graduated burette (capacity 0-50 cc) and fill with an equal part (5050) of gasoline and injection oil
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 false5Let burette stand upward for about 10 minutes, until liquid level is stabilized6Read 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 for this space (BR7ES or BR8ES have 19 mm reach head)7Repeat the procedure for the other cylinder