Valve Clearance Adjustment - Yamaha RS90GTZ Service Manual

VALVE CLEARANCE ADJUSTMENT

2-10
VALVE CLEARANCE ADJUSTMENT
TIP
• Valve clearance adjustment should be made
on a cold engine, at room temperature.
• When the valve clearance is to be measured
or adjusted, the piston must be at the top
dead center (TDC) on the compression
stroke.
1. Drain:
• Engine oil
Refer to "ENGINE OIL REPLACEMENT".
2. Remove:
• Fuel tank cover
Refer to "FUEL TANK" in CHAPTER 5.
• Headlight assembly
• Air filter case
Refer to "COWLINGS" in CHAPTER 3.
• Coolant recovery (RS90GTZ/RS90LTGTZ)
Refer to "HEAT EXCHANGER" in CHAP-
TER 6.
• Throttle body assembly
Refer to "THROTTLE BODY" in CHAPTER
7.
3. Remove:
• Oil tank
Refer to "OIL TANK" in CHAPTER 5.
4. Remove:
• Cylinder head cover
Refer to "CAMSHAFTS" in CHAPTER 5.
• Timing mark accessing screw
• Crankshaft end accessing screw
INSP
ADJ