Crankcase Inspection; Timing Chain Inspection; Crankcase Assembly - Yamaha WaveRunner FX140 Service Manual

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• Dowel pins

Crankcase inspection

1. Thoroughly wash the crankcase halves in

a mild solvent.

2. Thoroughly clean all the gasket surfaces

and crankcase mating surfaces.

Cracks/damage → Replace.

• Oil delivery passages

Obstruction → Blow out with com-

pressed air.

• Timing chain 1

Damage/stiffness → Replace the timing

chain and camshaft sprockets as a set.

1. Lubricate:

Crankshaft journal bearings

(with the recommended lubricant)

Recommended lubricant:

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