POWR Power unit5-41 6C13G11Checking the piston ring sideclearance1. Measure the piston ring side clearance.Replace the piston and piston rings as aset if out of specification.Checking the piston pin boss bore1. Measure the piston pin boss bore.Replace the piston if out of specification.Checking the piston pin1. Measure the piston pin diameter.Replace if out of specification.Checking the connecting rod smallend inside diameter1. Measure the connecting rod small endinside diameter a. Replace the connect-ing rod if out of specification.Checking the connecting rod big endside clearance1. Measure the connecting rod big end sideclearance a. Replace the connectingrod or crankshaft, or both if out of specifi-cation.Piston ring side clearance:Top ring a:0.02–0.06 mm(0.0008–0.0024 in)2nd ring b:0.02–0.06 mm(0.0008–0.0024 in)Oil ring c:0.04–0.18 mm(0.0016–0.0071 in)Piston pin boss bore:15.974–15.985 mm(0.6289–0.6293 in)Piston pin outside diameter:15.965–15.970 mm(0.6285–0.6287 in)Connecting rod small end insidediameter a:15.985–15.998 mm(0.6293–0.6298 in)