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DRIVE CHAIN ROLLER
INSPECTION
Inspect the drive chain rollers for excessive wear or
binding.
Measure the upper drive chain roller (Green) [1] and
lower drive chain roller (Black) [2] O.D.
SERVICE LIMIT:
Upper: 31 mm (1.2 in)
Lower: 31 mm (1.2 in)
Replace the drive chain roller if necessary.
Remove the drive chain upper roller bolt [3] and drive
chain upper roller.
Install the drive chain upper roller with the " " mark [4]
facing out as shown.
Install and tighten a new drive chain upper roller bolt to
the specified torque.
TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft)
Remove the drive chain lower roller nut [5] and drive
chain lower roller.
Install the drive chain lower roller with the " " mark [6]
facing out as shown.
Install and tighten the drive chain lower roller nut to the
specified torque.
TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft)
[1]
[2]
[5]
[3]
[1]
[4]
[6]
[2]
[2]
[5]
DRIVE/DRIVEN SPROCKET
WEAR INSPECTION
Inspect the drive and driven sprocket teeth for wear or
damage, replace them if necessary.
Never use a new drive chain on worn sprockets.
Both chain and sprockets must be in good condition or
the new replacement chain will wear rapidly.
WEAR
DAMAGE
TIGHTENING INSPECTION
Remove the drive sprocket cover 1-7.
Check the bolts and nuts on the drive and driven
sprockets.
If any are loose, torque them.
TORQUE:
Drive sprocket bolt:
31 N·m (3.2 kgf·m, 23 lbf·ft)
Driven sprocket nut:
32 N·m (3.3 kgf·m, 24 lbf·ft)
Install the drive sprocket cover 1-7.
Maintenance
NORMAL
2-51
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