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 1
December 01/2010
Chapter: 7
CLUTCH AND STARTER GEAR ASSEMBLY
Contents This chapter describes the disassembly and assembly of the clutch and
starter gear assembly module of the ROTAX 125 MAX engine. The
description is divided into sections.
Subject Page
System description Page 3
Removal of the clutch and starter gear assembly
Oil draining
Removal of the electric starter
Removal of the clutch drum
Removal of the sprocket
Removal of the clutch and starter gear assembly
Page 5
Page 5
Page 6
Page 7
Page 8
Page 10
Checking components of clutch and starter gear
assembly
Checking the clutch drum
Checking the needle cage and sprocket
Checking the starter reduction gear assembly
Checking the electric starter
Electric starter repair kit
Checking the clutch and starter gear assembly
Page 13
Page 13
Page 13
Page 14
Page 15
Page 16
Page 19
Installation of clutch and starter gear assembly
Installing starter reduction gear assembly
Installing starter gear assembly
Assembling the clutch drum
Installing bearing sleeve
Installing sprocket
Installing clutch drum
Electric starter
Filling gearbox with oil
Page 21
Page 21
Page 22
Page 25
Page 25
Page 26
Page 28
Page 30
Page 31

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