Suzuki LT-Z400, Service Manual

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0B-16 Maintenance and Lubrication:
Drive chain length inspection
1) Place the vehicle on level ground.
2) Loosen the rear axle housing bolts (1).
3) Tense the drive chain fully by turning chain adjuster
nut (2).
4) Count out 21 pins (20 pitches) on the chain and
measure the distance between the two points. If the
distance exceeds the service limit, the chain must be
replaced.
Drive chain 20 pitch length
Service limit: 319.4 mm (12.57 in)
5) After finishing the drive chain length inspection,
adjust the drive chain slack.
Drive chain slack adjustment
1) Place the vehicle on level ground.
2) Loosen the rear axle housing bolts (1).
3) Loosen or tighten the chain adjuster nut (2) until
there is 30 – 40 mm (1.2 – 1.6 in) “a” of slack at the
middle of the chain between the engine and rear
sprockets as shown in the figure.
Drive chain slack “a”
Standard 30 – 40 mm (1.2 – 1.6 in)
4) After adjusting the drive chain, tighten the rear axle
housing bolts (1) to the specified torque.
Tightening torque
Rear axle housing bolt (a): 100 N·m (10.0 kgf-m,
72.5 lb-ft)
5) Tighten the chain adjuster nut (2) to the specified
torque.
Tightening torque
Chain adjuster nut (b): 30 N·m (3.0 kgf-m, 21.5
lb-ft)
Drive chain cleaning and lubricating
Clean and lubricate drive chain
Every time before riding
Clean and lubricate the drive chain in the following
procedures:
1 1
2
I933H1020038-02
1 2 3 19 20 21
I649G1020034-02
(a)
1 (a)
1
(b)
2
I933H1020039-01
“a”
I649G1020036-02
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