Bombardier SeaDoo 1996 factory shop manual, Page 55Get this manual
Section 04 ENGINE Sub-Section 02 (TOP END)
NOTEReplacement cylinder sleeves are available if necessaryAlso, oversize pistons of 0.25 mm (.010 in) are available for all engines and oversize pistons of 0.5 mm (.020 in) are available for the 587 and 717 engines
Cylinder Taper
Using cylinder bore gauge, measure cylinder diameter at 16 mm (58 in) from top of cylinder just below auxiliary transfer port, facing exhaust portIf the difference between readings exceed specification, cylinder should be rebored and honed or replaced
F01D8BA
1Measuring in piston pin axis 2Measuring perpendicularly (90) to piston pin axis A16 mm (58 in)
PistonCylinder Wall Clearance