Yamaha WR45OFR service manual Sprockets INSPECTION/DRIVE Chain Inspection, Sprockets Inspection

SPROCKETS INSPECTION/DRIVE CHAIN INSPECTION

INSP

ADJ

1

EC368000

SPROCKETS INSPECTION

1.Inspect:

●Sprocket teeth a Excessive wear → Replace.

NOTE:

Replace the drive, driven sprockets and drive chain as a set.

DRIVE CHAIN INSPECTION

1.Remove:

● Drive chain 1

NOTE:

Remove the drive chain using a chain cutter 2.

2.Clean:

●Drive chain

Brush off as much dirt as possible. Then clean the chain using the chain cleaner.

CAUTION:

This machine has a drive chain with small rubber O-rings 1 between the side plates.

Steam cleaning, high-pressure washes, certain solvent and kerosene can damage these O-rings.

3.Inspect:

●O-ring 1 (drive chain)

Damage → Replace the drive chain.

●Roller 2

●Side plate 3

Damage/wear → Replace the drive chain.

4.Measure:

●Drive chain length (10 links) a Out of specification → Replace.

Drive chain length (10 links): <Limit>: 150.1 mm (5.91 in)

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