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CARB
EAS00510
CHECKING THE AIR INDUCTION SYSTEM
1. Check:
• hoses
Loose connection
→
Connect properly.
Cracks/damage
→
Replace.
• pipe
Cracks/damage
→
Replace.
2. Check:
• air cut-off valve
Cracks/damage
→
Replace.
3. Check:
• air cut-off valve operation
Does not operate
→
Replace.
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a. Blow air through the end of the air induction
system hose (to air cut-off valve assembly)
and check that air flows from the pipe (air
cut-off valve assembly to cylinder head).
b. Install a vacuum/pressure pump to the air-
cut off valve
1
and apply negative pressure
to the valve.
c. Blow air through the end of the air induction
system hose (to air cut-off valve assembly)
and check that air does not flow and out
through the pipe (air cut-off valve assembly
to cylinder head).
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Air cut-off valve opens
Perform step (b).
Air cut-off valve closes
Replace the air cut-off valve.
Vacuum/pressure pump gauge
set
90890-06756
Air cut-off valve opens
Replace the air cut-off valve.
Air cut-off valve closes
Air cut-off valve is OK.
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Содержание YP250R 2005
Страница 1: ...YP250R SERVICE MANUAL 2005 1C0 F8197 E0 ...
Страница 368: ...YAMAHA MOTOR ESPAÑA S A ...