Suzuki GSX-R750, Service Manual

Page: 38 / 495

PERIODIC MAINTENANCE 2-21
ADJUSTING
• Loosen or tighten both chain adjuster nuts
1
until there is 20
– 30 mm (0.8 – 1.2 in) of slack at the middle of the chain
between the engine and rear sprockets as shown. The refer-
ence 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:
Standard: 20 – 30 mm (0.8 – 1.2 in)
• Place the motorcycle on its side-stand for accurate adjustment.
• After adjusting the drive chain, tighten the axle nut
2
and the
torque link nut (Rear)
3
to the specified torque.
• Tighten both chain adjuster nuts
4
securely.
! ! ! ! !
Rear axle nut: 110 N.m (11.0 kgf.m, 79.6 lb-ft)
............... For E-03, -28, -33
120 N.m (12.0 kgf.m, 86.8 lb-ft)
............... For the others
Torque link nut (Rear): 34 N.m (3.4 kgf.m, 24.6 lb-ft)
• Install a new cotter pin. (For E-03, 28, 33)
• Recheck the drive chain slack after tightening the axle nut.
CLEANING AND LUBRICATING
• Clean the drive chain with kerosine. If the drive chain tends to
rust quickly, the intervals must be shortened.
#
Do not use trichloroethylene, gasoline or any similar
solvent. These fluids have too great a dissolving power
for this chain and they can damage the O-rings. Use
only kerosine to clean the drive chain.
• After washing and drying the chain, oil it with a heavyweight
motor oil.
#
* Do not use any oil sold commercially as “drive chain
oil”. Such oil can damage the O-rings.
* The standard drive chain is a RK 525R0Z4 Suzuki rec-
ommends to use this standard drive chain as a re-
placement.
20 – 30 mm
(0.8 – 1.2 in)