Bombardier SeaDoo 1989 factory shop manual, Page 31Get this manual
Section 03 ENGlINE Sub-section 03 (TOP END)
TOLERANCES MEASUREMENTS
Cylinder Out of Round
NEW PARTS (Min.11 (Max
0 08 rnm 0031 ml
0 05 mm 0020 in) 20 rnm 008 in 20 rnrn
Cylinder Taper Cylinder Out of Round CylinderPiston Clearance RingPiston Groove Clearance Ring End Gap
Using cylinder bore gauge, measure cylinder diameter 16 rnm in) from top cylinder Measure diameter in piston pin axis direction then perpendicularly) to it if the difference between readings exceed specification, cylinder should be rebored and honed or replaced
0 07 rnm ,0028 in)
0 08 rnrn 003 in)
0 40 mm 016 in