OWNER’S MANUAL & COMPETITION HANDBOOK - Page 99

For 2013 CRF450X.

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98 Servicing Your Honda
Drive Chain
Drive Chain Sliders
1. Check the chain slider (1) for wear.
If the wear is 0.2 in (5 mm) or more, replace
it.
(1)
0.2 in (5 mm)
(1) chain slider
2. Check the chain guide slider (2) for wear.
Replace the chain guide slider if it is worn to
the bottom of the wear limit (3).
(3)
(2)
(2) chain guide slider
(3) wear limit
Lubrication
Lubricate the drive chain with Pro Honda HP
Chain Lube or an equivalent chain lubricant
designed specifically for use on O-ring chains.
Wipe off the excess chain lubricant.
Commercial chain lubricants not designed for
motorcycle drive chains may contain solvents
which could damage the O-rings.
Drive Chain Rollers
1. Measure the diameter of the upper (1) and
lower drive chain rollers (2). Replace them if
below the service limit.
Service Limit:
UPPER ROLLER: 1.5 in (39 mm)
LOWER ROLLER: 1.4 in (35 mm)
2. Replace the roller if necessary as follows:
Install the upper drive chain roller (Green)
with the “
” mark (3) facing toward the
frame and lower drive chain roller (Black)
with the “
” mark (3) side facing out.
Tighten the drive chain roller bolt and nut to
the specified torque:
Upper roller bolt:
9 lbf·ft (12 N·m, 1.2 kgf·m)
Lower roller nut:
9 lbf·ft (12 N·m, 1.2 kgf·m)
(3)
(3)
(1)
(2)
(1) upper drive chain roller (Green)
(2) lower drive chain roller (Black)
(3) “
mark
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