Suzuki RV125 Service Manual page 25

2-12 PERIODIC MAINTENANCE
CHECKING AND ADJUSTING
• Loosen the rear axle nut 1.
• Tense the drive chain fully by turning both chain adjusters 2.
• Count out 21 pins (20-pitch) on the chain measure the dis-
tance between the two points. If the distance exceeds the ser-
vice limit, the chain must be replaced.
$ Drive chain 20-pitch length: 259.0 mm
NOTE:
When replacing the drive chain, replace the drive chain and
sprockets as a set.
• Place the motorcycle on the side-stand.
• Loosen or tighten both chain adjusters 1 until the chain has
15 – 25 mm of slack at the middle of the chain between the
engine and rear sprockets as shown. The reference marks 2
must be at the same position on the scale to ensure that the
front and rear wheels are correctly aligned.
$ Drive chain slack: 15 – 25 mm
• After adjusting the drive chain, tighten the rear axle nut 3 to
the specified torque.
% Rear axle nut: 65 N·m (6.5 kgf-m)
• Recheck the chain slack after tightening the axle nut and
readjust if necessary.
• Tighten both chain adjusters 1 securely.
15 – 25 mm