3-15
Service and Maintenance
(1) ADJUSTING BOLT (2) REFERENCE MARKS
Drive Chain Slack Adjustment
Loosen the rear axle nut.
Turn the adjusting bolt clockwise to increase slack or
counterclockwise to decrease slack.
Align the same reference marks on both side of the
adjusters with the rear ends of the swingarm.
Check the wheel alignment.
Tighten the rear axle nut to the specified torque.
Torque: 70 N•m (7.1 kgf•m, 52 lbf•ft)
Recheck the drive chain slack and free wheel rotation.
Lubricate the drive chain.
(1) DRIVE CHAIN SLACK
Drive Chain
Drive Chain Slack Inspection
During the break-in period, drive chain slack should
be checked and adjusted often. This also applies to
after drive chain replacement.
Regular cleaning, lubrication, and proper adjustment
will help to extend the service life of the drive chain.
Turn the engine off and place the machine on the
maintenance stand.
Push the upper section of the drive chain, make sure
the lower chain line is straight.
With the transmission in neutral, measure chain slack
at the lower section midway between the sprockets
by pushing the chain downward.
Drive chain slack: 11 – 14 mm (0.4 – 0.6 in)
Rotate the wheel and chain slack in several sections.
If slack in one section increases beyond the standard
measurement, this indicates the chain has stretched
and needs to be replaced.
Take care to prevent catching your fingers between
the chain and sprocket.
(1)
(2)
(1) FRONT TIRE (2) REAR TIRE
Wheel Alignment
After adjusting the drive chain slack, check the front
and rear wheels for alignment.
1. Place the machine upright on firm, level ground.
2. Stand at a position 1 – 2 m from the rear end of the
machine on either side; squat down.
Содержание NSF250R 2012
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