Lubricating The Drive Chain - Yamaha DT125R Owner's Manual

To adjust the drive chain slack
2
1. Axle nut
2. Chain tensioner
1. Loosen the axle nut.
2. To tighten the drive chain, turn
the adjusting plate on each side
of the swingarm in direction (a).
To loosen the drive chain, turn
the adjusting plate on each side
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
NOTE:
Make sure that both adjusting plates
are in the same position for proper
wheel alignment.
PERIODIC MAINTENANCE AND MINOR REPAIR
EAU22960
CAUTION
Improper drive chain slack will
overload the engine as well as
other vital parts of the motorcycle
and can lead to chain slippage or
breakage. To prevent this from
occurring, keep the drive chain
1
slack within the specified limits.
3. Tighten the axle nut to the speci-
fied torque.
Tightening torque:
Axle nut:
90 Nm (9,0 m•kgf)

Lubricating the drive chain

The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly
wear out, especially when riding in
dusty or wet areas. Service the drive
chain as follows.
ECA10570
CAUTION
The drive chain must be lubricated
after washing the motorcycle and
riding in the rain.
1. Clean the drive chain with kero-
CAUTION
To prevent damaging the O-rings,
do not clean the drive chain with
steam
washers or inappropriate solvents.
2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive
EAU23021
CAUTION
Do not use engine oil or any other
lubricants for the drive chain, as
they may contain substances that
could damage the O-rings.
6-20
sene and a small soft brush.
cleaners, high-pressure
chain with a special O-ring chain
lubricant.
ECA10581
ECA11120
6
ECA11110