8-27
8
4. To tighten the drive chain, turn the drive chain
slack adjusting nut in direction (a). To loosen
the drive chain, turn the adjusting nut in direc-
tion (b) and push the rear wheels forward.
NOTICE:
Improper drive chain slack will
overload the engine as well as other vital
parts of the ATV and can lead to drive
chain slippage or breakage. To prevent
this from occurring, keep the drive chain
slack within the specified limits.
[ECB00543]
5. Tighten the locknut, and then the bolts and
nuts to their specified torques.
6. Adjust the rear brake lever free play. (See
EBU24883
Lubricating the drive chain
The drive chain must be cleaned and lubricated at
the intervals specified in the periodic maintenance
and lubrication chart, otherwise it will quickly wear
out, especially when riding in dusty or wet areas.
Service the drive chain as follows.
NOTICE
ECB00562
The drive chain must be lubricated after wash-
ing the ATV or riding in the rain or wet areas.
1. Clean the drive chain with kerosene and a
small soft brush.
NOTICE:
To prevent dam-
aging the O-rings, do not clean the drive
chain with steam cleaners, high-pressure
washers or inappropriate solvents.
[ECB00572]
Tightening torques:
Locknut:
22 N·m (2.2 kgf·m, 16 lb·ft)
Bolt:
45 N·m (4.5 kgf·m, 33 lb·ft)
Nut:
54 N·m (5.4 kgf·m, 40 lb·ft)
UBD364E0.book Page 27 Monday, January 28, 2019 9:30 AM
Summary of Contents for YFM90 2019
Page 2: ...DIC183 Original instructions Notice originale Manual original PRINTED IN TAIWAN 2019 01 E F S ...
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Page 56: ...7 1 7 EBU21142 RIDING YOUR ATV UBD364E0 book Page 1 Monday January 28 2019 9 30 AM ...
Page 123: ...11 2 11 1 Model label 1 UBD364E0 book Page 2 Monday January 28 2019 9 30 AM ...