Checking The Throttle Body Joints; Checking The Cylinder Head Breather Hose - Yamaha TMAX XP500F 2015 Service Manual

TIP
• After each step, rev the engine two or three
times, each time for less than a second, and
check the synchronization again.
• If the air screw is removed, turn the screw is ful-
ly, and then turn it out 3/4 turn. Then, synchro-
nize the throttle body.
Carburetor angle driver 2
90890-03173
Intake vacuum
29.3–31.9 kPa (220–239 mmHg,
8.7–9.4 inHg)
TIP
The difference in vacuum pressure between two
cylinders should not exceed 1.33 kPa (10 mm
Hg).
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8. Measure:
• Engine idling speed
Out of specification → Adjust.
Make sure that the vacuum pressure is within
specification.
9. Stop the engine and remove the measuring
equipment.
10.Adjust:
• Throttle grip free play
Refer to "CHECKING THE THROTTLE
GRIP" on page 3-32.
Throttle grip free play
3.0–5.0 mm (0.12–0.20 in)
11.Install:
• All removed parts
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3-10
PERIODIC MAINTENANCE
EAS31318

CHECKING THE THROTTLE BODY JOINTS

1. Remove:
• Center cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
2. Check:
• Throttle body joints "1"
Cracks/damage → Replace.
3. Install:
• Center cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
EAS30623
CHECKING THE CYLINDER HEAD
BREATHER HOSE
1. Remove:
• Center cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Side cover (right)
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Footboard (right)
Refer to "GENERAL CHASSIS (2)" on page
4-8.
2. Check:
• Cylinder head breather hose "1"
Cracks/damage → Replace.
Loose connection → Connect properly.
ECA14920
NOTICE
Make sure the cylinder head breather hose is
routed correctly.