Piston, Engine

Checking piston ring gap
^ Push ring squarely from above down to lower cylinder bore, approximately 15 mm from cylinder edge. To do this use a piston without rings.








Checking ring to groove clearance
^ Clean groove before checking clearance.





Checking piston
^ Measure pistons approximately 10 mm from lower edge of skirt, at 90° to piston pin axis.
^ Deviation from nominal dimension: maximum 0.04 mm





Piston and cylinder dimensions
1) Dimensions without graphite coating (thickness 0.02 mm) Graphite coating wears away.