Yamaha BLASTER YFS200N User Manual download pdf (Page 125)

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EBU00350

Drive chain slack check

Inspect the drive chain while all tires are touch-

ing the ground. Check the slack at the position

shown in the figure. The normal vertical deflec-

tion is approximately 30~40 mm (1.2~1.6 in). If

the deflection exceeds 40 mm (1.6 in), adjust

the chain slack.

a. 30 ~ 40 mm (1.2 ~ 1.6 in)

EBU00351

Drive chain slack adjustment

1. Loosen the rear wheel hub bolts.

1. Upper wheel hub bolt (×2) 2. Lower wheel hub bolt (×2)

2. Loosen the adjuster locknuts on each side.

To tighten the chain, turn the chain

adjuster clockwise. To loosen the chain,

turn the adjuster counterclockwise and

push the wheel forward. Turn each

adjuster exactly the same amount to main-

tain correct axle alignment.

There are marks on each side of the

swingarm and on each chain adjuster. Use

them to check for proper alignment.

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Yamaha BLASTER YFS200N User Manual Page 125