Rotax 125 Micro MAX User Manual

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 1
December 01/2010
Chapter: 5
CRANKCASE
Contents This chapter describes the removal and installation of the crankcase of
the ROTAX 125 MAX engine. The description is divided into sections.
Subject Page
System description Page 3
Removal of the crankcase
Remove water pump and balance gears
Page 5
Page 5
Disassemble crankcase
Remove the crankshaft
Remove the bearing and oil seals for shaft
Page 7
Page 9
Page 10
Con rod set - Repair set
Disassemble crankshaft
Inspect crankshaft
Crankshaft out of round
Assembly of crankshaft
Page 14
Page 14
Page 18
Page 20
Page 21
Crankcase-inspection of components
Inspection of water pump drive
Inspection of balance shaft drive
Inspection of balance shaft
Inspection of crankcase
Page 25
Page 25
Page 27
Page 27
Page 29
Assembly of crankcase
Installation of bearing and oil seal for shaft
Assembly of crankshaft, water pump and
balance shaft
Screw case halves together
Page 31
Page 31
Page 35
Page 36
Installation of crankcase
Installation of balance and water-pump shaft
drive
Page 39
Page 39

Rotax 125 Micro MAX Specifications

General

Brand	Rotax
Model	125 Micro MAX
Category	Engine
Language	English