Drive Chain - Suzuki GSX-R750 Service Manual

2-20 PERIODIC MAINTENANCE

DRIVE CHAIN

Inspect initially at 1 000 km (600 miles, 1 month) and
every 6 000 km (4 000 miles, 6 months) thereafter. Clean
and lubricate every 1 000 km (600 miles).
Visually check the drive chain for the possible defects listed be-
low. (Support the motorcycle by a jack and a wooden block, turn
the rear wheel slowly by hand with the transmission shifted to
Neutral.)
* Loose pins
* Damaged rollers
* Dry or rusted links
* Kinked or binding links
If any defects are found, the drive chain must be replaced.
NOTE:
When replacing the drive chain, replace the drive chain and
sprockets as a set.
CHECKING
• Remove the axle cotter pin. (For E-03, 28 and 33)
• Loosen the axle nut 1.
• Loosen the chain adjuster lock nuts 2.
• Loosen the torque link nut (Rear) 3.
• Tense the drive chain fully by turning both chain adjusters 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)
* Excessive wear
* Improper chain adjustment
* Missing O-ring seals
Grease
O-ring