BRP-Rotax
INSTALLATION INSTRUCTION
FITTING OF THE DRIVE CHAIN
The required length of the drive chain depends on
chassis and transmission ratio and the chain is there-
fore not included in the engine’s scope of supply.
ATTENTION
BRP-Rotax recommends O-ring drive chains
by ROTAX Premium.
Step
Procedure
1
Use a chain with the length corre-
sponding to the selected transmission
ratio of dimension 7.75 x 4.6 x 4.5.
2
Place the chain on the sprocket on the
clutch and on the sprocket on rear
axle.
3
Verify chain alignment between front
and rear chain sprocket with a straight
edge. Correct as required by shifting
sprocket adapter along rear axle.
ATTENTION
Pay
attention
to
chain
alignment
as
advised
by
chassis
manufacturer.
Step
Procedure
4
Establish required chain tension (Sag
= +/- 5 mm / +/- 0.20 in.) by shifting the
engine.
NOTE
Use the engine stop screw to ten-
sion the chain.
5
Fasten engine on the chassis.
m
WARNING
Non-compliance can result in serious injuries
or death!
Besides the engine-specific installation advice, al-
so take note of information from the respective
chassis manufacturer.
This cover serves merely as splash protection
against the grease on the drive chain, but is no pro-
tection against contact with the moving parts of the
centrifugal clutch and the drive train!
Figure 8.2: Chain tensioner
Figure 8.3: Engine alignment
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Page 3
Edition: March 01 2021
Summary of Contents for 125 JUNIOR MAX evo
Page 54: ......
