Buell P3 Service Manual page 277

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ROLLOVER VALVE
NOTE
See Figure 4-6. When the vehicle is upright the check ball
holds the post to one side allowing hydrocarbon vapors to be
released into the atmosphere or into a charcoal canister (Cal-
ifornia). When the vehicle is tipped, the check ball moves
away from the post, which is spring loaded, allowing the post
to seal the opening preventing loss of gasoline through the
vent tube.
a0177x4x
1. Post
2. Check ball
3. Gas
Figure 4-6. Rollover Valve
4-10 2007 Buell P3: Fuel System
Removal
Stop the engine when refueling or servicing the fuel sys-
tem. Do not smoke or allow open flame or sparks near
gasoline. Gasoline is extremely flammable and highly
explosive, which could result in death or serious injury.
(00002a)
1. Remove seat. Depress latch at bottom and pull seat up
and back to remove. See
To prevent accidental vehicle start-up, which could
cause death or serious injury, disconnect negative (-)
battery cable before proceeding. (00048a)
1
2. Unthread bolt and remove battery negative cable (black)
from battery negative (-) terminal.
3. Drain fuel tank. See
FILTER
2
4. Remove fuel filler cap from tank.
3
11 1
WARNING WARNING
2.28 SEAT.
11 1
WARNING WARNING
1.20 FUEL SUPPLY VALVE AND
STRAINER.