Adjusting The Engine Idling Speed - Yamaha 2012 TMAX XP500A Service Manual

• The valve lifter must turn smoothly when
rotated by hand.
• Install the valve lifter and the valve pad in the
correct place.
g. Install the exhaust and intake camshafts,
timing chain and camshaft caps.
Camshaft cap bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
TIP
• Refer to "CAMSHAFTS" on page 5-8.
• Lubricate the camshaft lobes and camshaft
journals with molybdenum disulfide oil.
• First, install the exhaust camshaft.
• Turn the crankshaft clockwise several full
turns to seat the parts.
h. Measure the valve clearance again.
i. If the valve clearance is still out of specifi-
cation, repeat all of the valve clearance
adjustment steps until the specified clear-
ance is obtained.
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11. Install:
• All removed parts
TIP
For installation, reverse the removal proce-
dure.
12. Adjust:
• Throttle grip free play
Refer to "CHECKING THE THROTTLE
GRIP" on page 3-32.
EAS20610

ADJUSTING THE ENGINE IDLING SPEED

TIP
Prior to adjusting the engine idling speed, the
throttle body synchronization should be
adjusted properly, the air filter element should
be clean, and the engine should have ade-
quate compression.
1. Start the engine and let it warm up for sev-
2. Remove:
2
1
3. Install:
4. Check:
5. Adjust:
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a. Turn the idling speed adjusting screw "1" in
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3-8
PERIODIC MAINTENANCE
eral minutes.
• Radiator cover
Refer to "GENERAL CHASSIS" on page
4-1.
• Side cover (right)
Refer to "GENERAL CHASSIS" on page
4-1.
• Digital tachometer
(onto the spark plug lead of cylinder #1)
Digital tachometer
90890-06760
YU-39951-B
• Engine idling speed
Out of specification → Adjust.
Engine idling speed
1100–1300 r/min
• Engine idling speed
direction "a" or "b" until the specified engine
idling speed is obtained.
Direction "a"
Engine idling speed is increased.
Direction "b"
Engine idling speed is decreased.