Rotax 125 Max User Manual

DK00026.fm
REPAIR MANUAL
BRP-Powertrain
Effectivity: 125 MAX/125 Junior MAX/125 Mini
MAX/125 Micro MAX
Edition 2 / Rev. 0
Chapter 4
Page 10
December 01/2010
Graphic Removal of exhaust valve (125 MAX only)
Figure 4 K00023
6 Release the valve rod housing (9) from the cylinder (12) with the 2 cyl. screws
(10) with spring washers (11). Remove the gasket (13).
7 Remove the exhaust valve (14) with O-ring (15) and stud (16).
Step Procedure
Part Function
1 Spring clip
2 Valve cover
3 Adjustment screw
4 Compression spring
5 Hose spring
6 Exhaust valve piston
7 Hose spring
8 Bellow
9 Valve rod housing
10 Cyl. screw M6x16
11 Spring washer
12 Cylinder
13 Gasket
14 Exhaust valve
15 O-ring
16 Stud
1
6
2
3
4
10
11
9
13
15
16
14
12
5
8
7

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