Yamaha Star XV250H 2016 Owner's Manual page 61

Drive chain slack:
20.0–30.0 mm (0.79–1.18 in)
4. If the drive chain slack is incorrect,
adjust it as follows. NOTICE: Im-
proper drive chain slack will
overload the engine as well as
other vital parts of the motorcy-
cle and can lead to chain slip-
page or breakage. If the drive
chain slack is more than 50.0
mm (1.97 in), the chain can dam-
age the frame, swingarm, and
other parts. To prevent this from
occurring, keep the drive chain
slack within the specified limits.
[ECA17791]
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the brake pedal free play
adjusting nut.
Periodic maintenance and adjustment
1. Brake pedal free play adjusting nut
2. Loosen the axle nut.
3. Loosen the drive chain puller lock-
nut at each end of the swingarm.
4. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
EAU53052
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
TIP
Using the alignment marks on each
side of the swingarm, make sure that
both drive chain pullers are in the same
position for proper wheel alignment.
7-25
4
5
1
1. Axle nut
2. Drive chain puller locknut
3. Drive chain slack adjusting nut
4. Alignment marks
5. Drive chain puller
5. Tighten the locknuts, and then
tighten the axle nut to the speci-
fied torques.
Tightening torques:
Drive chain puller locknut:
16 N·m (1.6 kgf·m, 12 lb·ft)
Axle nut:
105 N·m (10.5 kgf·m, 76 lb·ft)
6. Adjust the brake pedal free play.
(See page 7-21.)
7