Service Manual

9-19
Table of Contents
Reassembly
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE ASSEMBLY
Assemble Upper End
Cylinder Head Sub-Assembly
WARNING
Use protective eye wear when assembling the valves.
1. Installation of valves (Figure 19)
- Match valves and components to each cylinder head.
- Lubricate valve stem.
- Insert valve (L) into head (F).
- Install valve spring seat (K).
- Oil and install valve seal (J).
- Install valve spring (I).
- Install valve spring retainer (H).
- Using a valve spring compressor, install the two valve keepers (G).
- Slowly remove the valve spring compressor.
- Repeat for other valves.
2. Rocker arms (Figure 19)
- Install the plate (E) (push-rod guide) retain with two rocker arm studs (D).
- Torque rocker arm studs to 22 ft-lbs. (30 Nm).
- Install the rocker arm (C) onto stud and retain loosely with a pivot nut (B).
- Loosely install lock nut (A) onto the stud next to the pivot nut (B).
NOTE: Rocker arms nal torque step in Adjust Valve Clearance section.
- Repeat for other head assembly.
Figure 19
A
B
C D
E
F
G
H I
J
K
L