Rotax 125 Max User Manual

DK00029.fm
REPAIR MANUAL
BRP-Powertrain
Effectivity: 125 MAX/125 Junior MAX/125 Mini
MAX/125 Micro MAX
Edition 2 / Rev. 0
Chapter 7
Page 13
December 01/2010
3) Checking components of clutch and starter gear assembly
3.1) Checking the clutch drum
General If the clutch drum starts to tumble when the engine is idling with a
sprocket with 11 teeth, this is an indication of a worn bearing sleeve. This
will cause breakage of the clutch.
Instructions See Figure 7.
3.1.1) Checking the needle cage and sprocket
Instructions See Figure 7.
Graphic Clutch drum, needle bearing, sprocket
Figure 7 K00005
Step Procedure
1 Check clutch drum (1) for signs of wear and replace if applicable.
Step Procedure
1 Inspect the thrust washers (2) and (3) for signs of wear and replace if
applicable.
2 Inspect the needle cage (4) for signs of wear and replace if applicable.
3 Inspect the teeth of the sprocket (5) for wear (compare) and replace if
applicable.
Part Function
1 Clutch drum
2, 3 Thrust washer
4 Needle cage
5 Bearing sleeve (only sprocket with 11 teeth)
6 Sprocket
2
1
3
4
6
5

Rotax 125 Max Specifications

General

Engine type	Single-cylinder, 2-stroke
Displacement	124.8 cc
Cooling system	Liquid-cooled
Bore x Stroke	54 mm x 54.5 mm
Starter	Electric starter
Intake System	Reed valve
Clutch	Centrifugal dry clutch
Fuel System	Carburetor
Exhaust system	With silencer
Maximum Power	28 hp (20.5 kW) @ 11, 500 rpm
Maximum Torque	21 Nm at 10, 500 rpm
Gearbox	Direct drive
Lubrication	Mixture lubrication