2008 Arctic Cat ATVs factory service and repair manual, Page 57Get this manual
2Measure the corresponding piston diameter at point 15 mm above the piston skirt at right angle to the piston-pin boreSubtract this measurement from the measurement in step 1The difference (clearance) must be within specificationsInstalling Piston Rings 1Install ring expander (4) in the bottom groove of the piston; then install the thin oil rings (3) over the expander making sure the expander ends do not overlapStagger the end gaps of the upper and lower thin oil rings according to the illustrationWNOTE: Note the direction of the exhaust side of the piston (5) for correct ring end gap orientation A CAUTION
Incorrect installation of the piston rings will result in engine damage
CYLINDEWCYLINDER HEAD ASSEMBLY
WNOTE: If the cylinderlcylinder head assembly cannot be trued, they must be replaced
Cleaningflnspecting Cylinder Head
A CAUTION
The cylinder head studs must be removed for this procedure
# Compression I