Rotax 125 Micro MAX - Crankcase Removal Safety and Prep; Removing Water Pump and Compensating Wheels

DK00027.fm
REPAIR MANUAL
BRP-Powertrain
Effectivity: 125 MAX/125 Junior MAX/125 Mini
MAX/125 Micro MAX
Edition 2 / Rev. 0
Chapter 5
Page 5
December 01/2010
2) Removal of the crankcase
Safety
instructions
Preparation The following preparation is required before removal:
2.1) Remove water pump and compensating wheels
Special tools The following special tools and equipment are required:
Instructions See Figure 2.

WARNING

WARNING
Danger of serious burns and scalding!
Allow engine to cool down to ambient temperature be-
fore starting work.

WARNING

WARNING
Danger of explosion and ignition!
Overflowing and split gasoline must be absorbed im-
mediately with a binding agent and correctly disposed
of. Do not work with open flames and sources of igni-
tion. Fuel must not be allowed to come into contact
with hot engine parts and components.
Step Procedure
1 Removal of ignition system. See also Chap. 3).
2 Removal of radiator. See also Chap. 8).
3 Removal of carburetor. See also Chap. 6).
4 Removal of exhaust system. See also Chap. 9).
5 Removal of the fuel line. See also Chap. 3).
6 Drain oil. See also Chap. 7).
7 Removal of starter. See also Chap. 7).
8 Positioning the engine on the trestle mounting plate. See also Chap. 3).
9 Removal of cylinder head. See also Chap. 4).
Part number Description Use
n.e Circlip pliers Drive wheel
n.e Hot-air blower Compensating wheels
Step Procedure
1 Unscrew and remove cyl. screws (1).
2 Remove gearbox cover (2) with gasket (3).
3 Remove water-pump pinion (4) and water-pump intermediate wheel (5).
4 Remove needle pins (6) and thrust washer (7) from the water-pump shaft.
5 Remove circlips (8) with circlip pliers.
6 Remove the drive gear (9) from the crankshaft.