5 - 61ENGCRANKCASEEAS00399CHECKING THE CRANKCASE1. Thoroughly wash the crankcase halves in amild solvent.2. Thoroughly clean all the gasket surfacesand crankcase mating surfaces.3. Check:• crankcaseCracks/damage → Replace.• oil delivery passagesObstruction → Blow out with compressedair.EAS00401CHECKING THE BEARINGS AND OILSEALS1. Check:• bearingsClean and lubricate the bearings, thenrotate the inner race with your finger.Rough movement → Replace.2. Check:• oil sealsDamage/wear → Replace.CHECKING THE SPROCKET AND CHAINS1. Check:• crankshaft sprocket 1• oil/water pump assembly drive sprocket 2Cracks/damage/wear → Replace the defec-tive part(-s).2. Check:• timing chain 1Damage/stiffness → Replace the timingchain and crankshaft sprocket as a set.• oil/water pump assembly drive chain 2Damage/stiffness → Replace the oil/waterpump assembly drive chain and oil/waterpump assembly drive sprocket as a set.
