Valves - Yamaha ttr230 Service Manual

ENGINE MOUNTING AND ADJUSTMENTS
4
1
2
5
6
3
ENGINE MOUNTING AND
ADJUSTMENTS
WARNING
The engine
replacement of the following parts with new
ones:
• O-ring
• Gaskets
• Retainer
• Copper washers
• Lock washers
• Locks

VALVES

1. Remove burrs:
• Valve stem head
2. Apply:
• Molybdenum disulfide-based oil
(to stem and retainer)
3. Install the components shown in the
figure in the following sequence:
• Retainer 2 on the valve guide
• Valve 6
• Lower spring seat 5
• Internal spring 3
• External spring 4
• Upper spring seat 1
4-49
ENGINE
mounting requires the