Yamaha F115A - Adjusting the Valve Clearance

3-13
E
INSP
ADJ
ADJUSTING THE VALVE CLEARANCE 3
NOTE:
Valve clearance adjustment should be made
on a cold engine, at room temperature.
1. Remove:
• Flywheel magnet cover
• Spark plug cap cover 1
2. Disconnect:
• Spark plug leads 2
• Fuel hoses 3
• Ventilation hose
• Vacuum hose
3. Loosen:
• Timing belt tensioner
4. Remove:
• Timing belt
• Driven sprockets
• Cylinder head cover
• Spark plugs
5. Install:
• Driven sprockets
• Timing belt
6. Tighten:
• Timing belt tensioner
3
2
1
2
3270
7. Measure:
• Intake valve clearance a
• Exhaust valve clearance b
NOTE:
If any valve clearance is out of specification,
record its measurement.
Valve clearance
Intake
0.20 ± 0.03 mm
(0.008 ± 0.001 in)
Exhaust
0.34 ± 0.03 mm
(0.013 ± 0.001 in)
a
b
3280
POWER UNIT