Rotax 912 i Series Maintenance Manual page 179

Introduction
This section describes the maintenance of the ROTAX 912 i Series cylin-
der head. The description is divided into sub-sections and explanations of
system functions.
1. Introduction
2. Special tools
3. Service products
4. System description
5. Safety information
6. Removal
7. Disassembly
8. Inspection
9. Wear limits
10. Assembly
11. Installation
12. Finishing work
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Chapter: 72-30-00
CYLINDER HEAD
Subject
A. Preparation
B. Removal of surrounding assemblies
C. Cylinder head - removal
D. Disassembling the cylinder head
(1) Removal the rocker arms
(2) Valve - removal
(3) Removal of the coolant elbow inlet
(4) Removal of the oil return tube
(5) Removal of the coolant elbow outlet
E. Cylinder head parts check
(1) Cylinder head studs check
(2) Cylinder head assy. - inspection
(3) Valve guide check
(4) Valve check
(5) Valve seats check
(6) Valve spring check
(7) Washer check
(8) Rocker arm and shaft check
(9) Rocker arm bushing check
F. Cylinder head - assembly
(1) Oil return tube - installation
(2) Coolant elbow inlet - installation
G. Coolant elbow outlet - assembly
(3) Coolant elbow - installation
(4) Valve - installation
(5) Rocker arm - installation
H. Preparation
I. Cylinder head - installation
J. Valve cover - installation
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72-30-00
Page 1
July 01/2012