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Yamaha YZ125 2016 Owner's Service Manual page 100

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HANDLING NOTE
Support the machine securely so
there is no danger of it falling over.
REMOVING THE DRIVE
SPROCKET
1. Remove:
• Nut (drive sprocket) "1"
• Lock washer "2"
• Straighten the lock washer tab.
• Loosen the nut while applying the
rear brake.
2. Remove:
• Drive sprocket "1"
• Drive chain "2"
Remove the drive sprocket together
with the drive chain.
REMOVING THE ENGINE
1. Remove:
• Pivot shaft "1"
If the pivot shaft is pulled all the way
out, the swingarm will come loose. If
possible, insert a shaft of similar di-
ameter into the other side of the
swingarm to support it.
2. Remove:
• Engine "1"
From right side.
Make sure that the couplers, hoses
and cables are disconnected.
INSTALLING THE ENGINE
1. Install:
• Engine "1"
Install the engine from right side.
• Pivot shaft "2"
• Nut (pivot shaft) "3"
Nut (Pivot shaft):
85 Nm (8.5 m•kg, 61
ft•lb)
• Engine mounting bolt (lower) "4"
• Nut [engine mounting bolt (lower)]
"5"
Nut [engine mounting
bolt (lower)]:
64Nm (6.4 m•kg, 46
ft•lb)
• Engine mounting bolt (front) "6"
• Nut [engine mounting bolt (front)]
"7"
Nut [engine mounting
bolt (front)]:
64 Nm (6.4 m•kg, 46
ft•lb)
• Engine bracket "8"
• Bolt (engine bracket) "9"
• Nut (engine bracket) "10"
Nut (engine bracket):
34 Nm (3.4 m•kg, 24
ft•lb)
• Engine mounting bolt (upper) "11"
• Nut [engine mounting bolt (up-
per)] "12"
Nut [engine mounting
bolt (upper)]:
34 Nm (3.4 m•kg, 24
ft•lb)
Apply the molybdenum disulfide
grease on the pivot shaft.
4-37
ENGINE REMOVAL
INSTALLING THE BRAKE PEDAL
1. Install:
• Spring "1"
• Brake pedal "2"
• O-ring "3"
• Bolt (brake pedal) "4"
Bolt (brake pedal):
26 Nm (2.6 m•kg, 19
ft•lb)
• Clip "5"
Apply the lithium soap base grease
on the bolt, O-rings and brake pedal
bracket.
INSTALLING THE DRIVE
SPROCKET
1. Install:
• Drive sprocket "1"
• Drive chain "2"
Install the drive sprocket together
with the drive chain.

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This manual is also suitable for:

Yz125g2 2016