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 17
December 01/2010
3.3) Inspection of spark plug
Instructions See Figure 10.
Graphic Spark plug
Figure 10
K00031, K00073
Step Procedure
1 Visual inspection of the spark plug for carbonization, oil fouling and discolora-
tion of the electrode.
1 = normal
2 = fouled
3 = insulator breakage
4 = melted electrode
5 = oil carbon / deposits
The ground electrode can be bent only by a minimal
amount.
2 Check the electrode gap of the spark plug with a feeler gauge and adjust if re-
quired to s = 0.45 mm to 0.7 mm.
NOTICE
Part Function
1 Spark plug
2 Electrode
s
2
1
Pos. 3
Pos. 4
Pos. 2
Pos. 1
Pos. 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