BRP-Rotax
REPAIR MANUAL
CRANK CASE - ASSEMBLY
General
NNOOTTEE
Always replace old gaskets, circlips, O-rings and oil seals with new ones after
disassembling.
Special tools The following special tools and equipment are required:
Part no. Description Use
n.a.
Convection oven or heating
plate
Case halves
676030 Installation tool Needle bearing
676010 Mounting sleeve
Shaft seal
676021 Installation tool
n.a.
2-stroke engine oil Shaft seal
n.a.
MOLYCOTE 111 Shaft seal
INSTALLATION OF OIL SEAL, BALL BEARING AND NEEDLE BUSHING
m WARNING
Danger of severe burns and scalds!
Wear heat-resistant gloves during this process!
Instruction See Figure: Oil seal installation.
1. Heat both crankcase halves to 150 °C (302 °F) in the convection oven.
2. Remove case half from the convection oven and drop onto a flat wood board with the case
split pane.
3. Coat the oil seal AS 28x38x7 (1) with engine oil in the area between the sealing lip and dust
lip.
4. Press in the oil seal for shaft to the stop with the mounting sleeve (part no. 676010) from in-
side to outside so the open end of the oil seal for shaft is directed inward.
NNOOTTEE
The oil seal for shaft can also be installed from outside to inside if the crankshaft
is installed.
Chapter 5
Page 30
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0
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