Crank Case Assembly; Installation Of Oil Seal, Ball Bearing And Needle Bushing - Rotax 125 MAX evo Repair Manual

General
N N O O T T E E
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:

INSTALLATION OF OIL SEAL, BALL BEARING AND NEEDLE BUSHING

Instruction See
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.
N N O O T T E E
The oil seal for shaft can also be installed from outside to inside if the crankshaft
is installed.
Chapter 5
Page 30
BRP-Rotax
REPAIR MANUAL
CRANK CASE - ASSEMBLY
Part no.
n.a.
676030
676010
676021
n.a.
n.a.
Danger of severe burns and scalds!
Wear heat-resistant gloves during this process!
Figure: Oil seal installation.
Description
Convection oven or heating
plate
Installation tool
Mounting sleeve
Installation tool
2-stroke engine oil
MOLYCOTE 111
m WARNING
Use
Case halves
Needle bearing
Shaft seal
Shaft seal
Shaft seal
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0