Maintenance and Lubrication: 0B-20
Drive Chain Inspection and Adjustment
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Inspect drive chain
Clean lubricate and inspect each time the
motorcycle is ridden
Drive Chain Visual Check
1) With the transmission in neutral, support the
motorcycle using a jack.
2) Visually check the drive chain for the possible
defects listed as follows. If any defects are found, the
drive chain must be replaced. Refer to “Drive Chain
Replacement” in Section 3A (Page 3A-6).
• Loose pins
• Damaged rollers
• Dry or rusted links
• Kinked or binding links
• Excessive wear
• Missing O-ring seals
NOTE
When replacing the drive chain, replace the
drive chain and sprockets as a set.
Drive Chain Plate Wear Inspection
Measure the height of the inner “A” and outer “B” plates
using the vernier calipers. If any of the measurements
exceeds the service limit, replace the drive chain with a
new one.
Chain plate height
Service limit: (Inner “A”): 12.75 mm (0.502 in)
Service limit: (Inner “B”): 11.20 mm (0.441 in)
Special tool
: 09900–20101 (Vernier calipers (150 mm))
Drive Chain Slack Adjustment
1) Place the motorcycle on the side-stand.
2) Loosen the axle nut (1).
3) Loosen the left and right chain adjuster lock-nuts (2).
4) Loosen or tighten both chain adjuster bolts (3) until
there is 40 – 50 mm (1.6 – 2.0 in) of slack “a” at the
middle of the chain between the engine and rear
sprockets as shown in the figure.
CAUTION
!
The reference marks “A” on both sides of the
swingarm and the grooved line “B” of each
chain adjuster must be aligned to ensure that
the front and wear wheels are correctly
aligned.
Drive chain slack “a”
Standard 40 – 50 mm (1.6 – 2.0 in)
1. O-ring seal 3. Roller
2. Grease
1
2
3
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“A”“B”
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“A”
“A”
1
2
3
“B”
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“a”
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