Suzuki GSX1300BK B-King Service Manual page 46

Drive Chain Length Inspection
1) Loosen the axle nut (1).
2) Loosen the chain adjuster lock-nuts (2).
3) Give tension to the drive chain fully by turning both
chain adjuster bolts (3).
2
3
1
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)
1 2 3
5) After finishing the drive chain length inspection,
adjust the drive chain slack.
Drive Chain Slack Adjustment
1) Support the motorcycle with a jack.
2) Loosen the axle nut (1).
3) Loosen the chain adjuster lock-nuts (2).
4) Loosen or tighten both chain adjuster bolts (3) until
2
3
I823H1020032-01
19 20 21
I649G1020034-02
5) After adjusting the drive chain, tighten the axle nut
6) Tighten both chain adjuster lock-nuts (2) securely.
7) Recheck the drive chain slack after tightening the
Maintenance and Lubrication:
there is 20 – 30 mm (0.8 – 1.2 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 edge of each chain
adjuster must be aligned to ensure that the
front and rear wheels are correctly aligned.
Drive chain slack "a"
Standard 20 – 30 mm (0.8 – 1.2 in)
2
3
1
"A"
"a"
(1) to the specified torque.
Tightening torque
Rear axle nut: 100 N·m (10.0 kgf-m, 72.5 lb-ft)
axle nut.
0B-16
2
3
"A"
I823H1020033-02
I649G1020036-02