Measuring The Engine Oil Pressure; Adjusting The Clutch Lever - Yamaha Vmax VMX17C 2009 Service Manual

12.Check:
• Engine oil level
Refer to "CHECKING THE ENGINE OIL
LEVEL" on page 3-10.
13.Check:
• Engine oil pressure
Refer to "MEASURING THE ENGINE OIL
PRESSURE" on page 3-12.
EAS20820

MEASURING THE ENGINE OIL PRESSURE

1. Check:
• Engine oil level
Below the minimum level mark → Add the
recommended engine oil to the proper level.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
ECA13410
NOTICE
When the engine is cold, the engine oil will
have a higher viscosity, causing the engine
oil pressure to increase. Therefore, be sure
to measure the engine oil pressure after
warming up the engine.
3. Remove:
• Main gallery bolt
EWA12980
WARNING
The engine, muffler and engine oil are ex-
tremely hot.
4. Install:
• Oil pressure gauge "1"
• Oil pressure adapter "2"
Oil pressure gauge set
90890-03120
Oil pressure adapter B
90890-03124
1
5. Measure:
• Engine oil pressure
(at the following conditions)
2
3-12
Oil pressure
50.0 kPa/1000 r/min (0.50
kgf/cm²/1000 r/min, 7.3 psi/1000
r/min)
Oil temperature
80.0–90.0 °C (176.00–194.00 °F)
Out of specification → Adjust.
Engine oil pressure
Below specification
Above specification
6. Install:
• Main gallery bolt
Main gallery bolt
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
EAS20860

ADJUSTING THE CLUTCH LEVER

1. Adjust:
• Clutch lever position
(distance "a" from the handlebar grip to the
clutch lever)
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a. While pushing the clutch lever forward, turn
the adjusting dial "1" until the clutch lever is in
the desired position.
TIP
Be sure to align the setting on the adjusting dial
with the arrow mark "2" on the clutch lever hold-
er.
Position #1
Distance "a" is the largest.
Position #4
Distance "a" is the smallest.
ENGINE
Possible causes
• Faulty oil pump
• Clogged oil filter
• Leaking oil passage
• Broken or dam-
aged oil seal
• Leaking oil passage
• Faulty oil filter
• Oil viscosity too
high
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