Yamaha FX10X Service Manual page 524

Hide thumbs Also See for FX10X:

CRANKSHAFT AND BALANCER SHAFT

• Crankshaft runout

Use the V-blocks and a dial gauge.

Out of specification → Replace the crank-

Dial indicator gauge:

Crankshaft runout:

0.03 mm (0.0012 in)

• Crankshaft journal surfaces

• Crankshaft pin surfaces

• Bearing surfaces

Scratches/wear → Replace the crankshaft.

Clean and lubricate the bearings, then rotate

the inner race with your finger.

Rough movement → Replace.

• Balancer drive gear

• Balancer driven gear

Damage/wear → Replace the crankshaft

assembly and balancer driven gear as a set.

Excessive noise during operation → Replace

the crankshaft assembly and balancer driven

gear as a set.

• Primary sheave drive shaft assembly

Damage → Replace.

• Crankshaft-journal-to-crankshaft-journal-

bearing clearance

Out of specification → Replace the crankshaft

journal bearings.

Crankshaft-journal-to-crankshaft-

journal-bearing clearance:

0.027 ~ 0.045 mm

(0.0011 ~ 0.0018 in)

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