Procedures

STANDARD PROCEDURE - MEASURING PISTON RING CLEARANCES





1. Wipe cylinder bore clean. Insert ring and push down with piston to ensure it is square in bore. The ring gap measurement must be made with the ring positioning at least 12 mm (0.50 in.) from bottom of cylinder bore. Measure gap with feeler gauge (1). Engine Specifications for piston ring specifications.




2. Measure piston ring side clearance Engine Specifications for piston ring specifications.