Rollover Valve Check; Check Valve Check - Yamaha WaveRunner FZR-GX1800 Service Manual

FUEL
Fuel tank, fuel pump module, and fuel hose
È
a
b
a
b
É
b
a

Rollover valve check

1. Check:
• Rollover valve
Does not function properly → Replace
the rollover valve.
Checking steps:
1. Blow into the end a of the rollover valve,
and make sure that airflow from the end b
is unrestricted.
2. Blow into the end b of the rollover valve,
and make sure that air does not come out
from the end a.
È Upright
É Inverted

Check valve check

1. Check:
• Check valve
Does not function properly → Replace
the check valve.
Checking steps:
1. Blow into the end a of the check valve,
and make sure that airflow from the end b
is restricted.
2. Blow into the end b of the check valve,
and make sure that airflow from the end a
is unrestricted.
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