Drive Chain Slack - Yamaha PW80(Z) Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT

Drive chain slack

The drive chain slack should be
checked before each ride and adjusted
if necessary.
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2
To check the drive chain slack
1. Place the motorcycle on the side-
stand.
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TIP
When checking and adjusting the drive
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chain slack, there should be no weight
on the motorcycle.
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2. Shift the transmission into the neu-
tral position.
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3. Move the rear wheel by pushing
the motorcycle to locate the tight-
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est portion of the drive chain, and
then measure the drive chain slack
as shown.
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Drive chain slack:
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40.0–53.0 mm (1.57–2.09 in)
EAU22760
1
EAU22773
1. Drive chain slack
4. If the drive chain slack is incorrect,
adjust it as follows.
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut, axle nut, and locknut
at each end of the swingarm.
7-16
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2
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1. Brake pedal free play adjusting nut
2. Locknut
3. Drive chain slack adjusting nut
4. Wheel axle
EAU40111 2. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward. NOTICE: Improper drive
chain slack will overload the en-
gine as well as other vital parts
of the motorcycle and can lead
to chain slippage or breakage.
To prevent this from occurring,
keep the drive chain slack with-
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