1999 Ski-Doo Factory Shop Manual Volume Two, Page 131Get this manual

Section 04 ENGINE Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
USED PISTON MEASUREMENT
Using micrometer, measure piston at perpendicularly (90) to piston pin
F00D0EA

1Piston dome 2Piston measurement
F01D0NA

Adjust and lock micrometer to the specified value on the piston dome1

1Measuring perpendicularly (90) to piston pin axis ASee table below

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives