4-128 2007 Buell Ulysses: Fuel System
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EVAPORATIVE EMISSIONS CONTROL-CA MODELS
4.45
GENERAL
Buell motorcycles sold in the state of California are equipped
with an evaporative (EVAP) emissions control system. The
EVAP system prevents fuel hydrocarbon vapors from escap-
ing into the atmosphere and is designed to meet the Califor-
nia Air Resource Board (CARB) regulations in effect at the
time of manufacture.
The EVAP functions in the following manner:
●
Hydrocarbon vapors in the fuel tank are directed through
the vent valve and stored in the carbon canister. If the
vehicle is tipped at an abnormal angle, the vent valve
closes to prevent liquid gasoline from leaking out of the
fuel tank through the fuel tank vent hose.
●
When the engine is running, manifold venturi negative
pressure (vacuum) slowly draws off the hydrocarbon
vapors from the carbon canister through the canister
vent hose. These vapors pass through the throttle body
manifold and are burned as part of normal combustion in
the engine.
TROUBLESHOOTING
1
WARNING
1
WARNING
Keep evaporative emissions vent lines away from
exhaust and engine. Gasoline is extremely flammable
and highly explosive, which could result in death or seri-
ous injury. (00266a)
The system has been designed to operate with a minimum of
maintenance. Check that all hoses are properly routed and
connected and are not pinched or kinked.
REMOVAL
Vent Valve
1.
Remove vent valve. See
4.40 FUEL TANK VENT VALVE.
2.
If necessary, label fuel tank vent hose at canister fitting
and remove.
Canister
1.
See
Figure 4-114.
Label and disconnect the fuel tank
vent hose (2) and canister vent hose (3) from the canis-
ter.
2.
Slide canister towards rear of vehicle to disengage from
mounting plate.
Figure 4-114. Carbon Canister Installation.
1.
Canister
2.
Fuel tank vent hose (to fuel tank vent valve)
3.
Canister vent hose (to intake manifold)
1
3
2
8915
Summary of Contents for 2007 ULYSSES
Page 17: ...A 16 2007 Buell Ulysses Appendix A HOME NOTES ...
Page 51: ...D 2 2007 Buell Ulysses Appendix D HOME Figure D 2 Rear Brake Systems Top View b1115acsxu ...
Page 63: ...D 14 2007 Buell Ulysses Appendix D HOME NOTES ...
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Page 103: ...1 30 2007 Buell Ulysses Maintenance HOME NOTES ...
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Page 237: ...2 108 2007 Buell Ulysses Chassis HOME NOTES ...
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Page 309: ...3 70 2007 Buell Ulysses Engine HOME NOTES ...
Page 347: ...3 108 2007 Buell Ulysses Engine HOME NOTES ...
Page 391: ...4 42 2007 Buell Ulysses Fuel System HOME NOTES ...
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