2005 Buell Firebolt: Maintenance
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Spark Plug Fouls Repeatedly
1.
Incorrect spark plug.
2.
Piston rings badly worn or broken.
3.
Valve stem seals worn or damaged.
4.
Valve guides badly worn.
5.
Sensors damaged.
Pre-Ignition or Detonation
(Knocks or Pings)
1.
Excessive carbon deposit on piston head or combustion
chamber.
2.
Incorrect heat range spark plug.
3.
Spark plugs not firing.
4.
Ignition timing advanced.
5.
Fuel octane rating too low.
6.
Intake manifold vacuum leak.
Overheating
1.
Insufficient oil supply or oil not circulating.
2.
Clogged or damaged fins on oil cooler.
3.
Cooling fan not operating properly.
4.
Leaking valves.
5.
Heavy carbon deposit.
6.
Ignition timing retarded.
Valve Train Noise
1.
Hydraulic lifter not functioning properly.
2.
Bent push rod.
3.
Cam, cam gears or cam bushings worn.
4.
Rocker arm binding on shaft.
5.
Valve sticking in guide.
Excessive Vibration
1.
Engine tie-bars loose, broken or improperly spaced.
2.
Isolator mounting fasteners loose.
3.
Broken frame.
4.
Primary chain badly worn or links tight as a result of
insufficient lubrication.
5.
Wheels not aligned and/or tires worn.
6.
Internal engine problem.
7.
Wheels not balanced correctly.
ENGINE LUBRICATION SYSTEM
Oil Does Not Return To Oil Tank
1.
Oil tank empty.
2.
Return pump gears damaged.
3.
Oil feed pump not functioning.
4.
Restricted oil lines or fittings.
Engine Uses Too Much Oil or
Smokes Excessively
1.
Piston rings badly worn or broken.
2.
Valve stem seals worn or damaged.
3.
Valve guides worn.
Engine Leaks Oil From Cases, Push Rods,
Hoses
1.
Loose parts.
2.
Imperfect seal at gaskets, push rod cover, washers, etc.
To aid locating leaks, use BLACK LIGHT LEAK DETEC-
TOR (Part No. HD-35457).
3.
Restricted oil return line to tank.
4.
Restricted breather passage(s) to air cleaner.
ELECTRICAL SYSTEM
Alternator Does Not Charge
1.
Regulator-rectifier module not functioning.
2.
Rectifier not grounded.
3.
Engine ground wire loose or broken.
4.
Loose or broken wires in charging circuit.
5.
Stator not functioning.
6.
Rotor not functioning.
Alternator Charge Rate Is Below Normal
1.
Regulator-rectifier module not functioning.
2.
Stator not functioning.
3.
Rotor not functioning.
4.
Weak battery.
5.
Loose connections.
FUEL SYSTEM
Poor Fuel Economy
1.
Oxygen sensor damaged or malfunctioning (bike running
rich). See dealer.
Summary of Contents for 2005 FIREBOLT
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Page 601: ...D 2 2005 Buell Firebolt Appendix D HOME Figure D 2 Rear Brake Systems Top View b1115xbx ...
Page 602: ...2005 Buell Firebolt Appendix D D 3 HOME Figure D 3 Rear Brake Systems Left Side View b1116xcx ...
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