Yamaha Vmax VMX17C 2009 - Air Filter Case; Checking the Intake Funnels; Removing the Air Filter Case and Intake Funnels

AIR FILTER CASE
7-8
EAS2S31005
CHECKING THE INTAKE FUNNELS
1. Check:
• Intake funnel servo motor operation
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼▼▼▼
a. Apply current to the intake funnel servo motor
and check that the variable intake funnel
seals mates with the fixed intake funnels (Il-
lustration “A”).
b. Reverse the polarity on the intake funnel ser-
vo motor and check that the variable intake
funnels contacts the upper air filter case (Il-
lustration “B”).
T
IP
The variable intake funnels should move
smoothly and should not make any unusual
sound.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲▲▲▲
2. Check:
• Intake funnel servo motor
Damage/scratches → Replace.
• Variable intake funnel lever shaft
• Variable intake funnel holder shaft
• Variable intake funnel assembly
• Fixed intake funnels
Cracks/damage → Replace.
• Variable intake funnel seals
• Lower air filter case gaskets
Damage/wear → Replace.
EAS2S31002
REMOVING THE AIR FILTER CASE AND
INTAKE FUNNELS
1. Remove:
• Upper air filter case
T
IP
Loosen the upper air filter case screws in proper
sequence as shown.
2. Remove:
• Intake funnel servo motor
WARNING
EWA2S31027
• Handle the intake funnel servo motor with
special care.
• Never subject the intake funnel servo mo-
tor to strong shocks. If the intake funnel
servo motor is dropped, replace it.
3. Remove:
• Variable intake funnel seals “1”
T
IP
Be careful not to break the pin “a” on each vari-
able intake funnel seal when removing the seals.
4. Remove:
• Variable intake funnel holder shaft
T
IP
Remove the variable intake funnel holder shaft
only if the threads are damaged, rusty, or worn.
5. Remove:
• Variable intake funnel lever shaft
T
IP
• To remove the variable intake funnel lever
shaft, slide the bushing 1 “1” in the direction.
• When sliding bushing 1 “1”, be careful not to
break the tab “a” on each side of the bushing.
A. Down
B. Up
A B
2
2
2
2
2
2
2
2
2
2
1
a
1