Raider-Classic 150 (Oil-cooled&Internal Gearbox): Service Manual (single/ double-seat) EEC Version;3.0 Feb..2005
28
The operational principle of the tensioner is as shown in the picture.
As for the adjustment of the cam chain tensioner, turning clockwise is tightening, and turning
anticlockwise is loosening.
3.7 Valve and Valve Spring
3.7.1 Removal
a) Remove the cylinder head.
b) Remove the valve cotter with the valve compressor,;
Remove in turn the upper spring race, valve spring, lower spring
race, and valve stem oil seal.
c) Remove the valve from the other side.
3.7.2 Inspection
a) Inspect if the valve is bent or burned.
b) Inspect if the action is smooth between the valve and the valve
guide.
c) Measure the outer diameter of the valve stem.
Service limit
4.9 mm
d) Measure the free length of the inner and outer valve spring.
Valve
Inlet Valve
Exhaust Valve
Inner Spring
31.2mm
31.2mm
Outer Spring
34.1 Mm
34.1 Mm
3.7.3 Installation
a) Mount the spring retainer and valve guide oil seal.
The removed parts should be placed properly in order. It's
better to place the intake valve parts and exhaust valve parts
separately.
It is recommended to replace the valve guide oil seal with a new one.
Summary of Contents for Raider-Classic 150
Page 1: ......