Diagnosis and troubleshooting of motorcycle Harley V-Rod VRSCA (2002-2006)

Troubleshooting — general
Warning! The troubleshooting section of this manual is intended solely as a guide to diagnosing problems. Carefully read the appropriate sections of this manual before performing any work. Observe all cautions and warnings. Failure to observe...

Diagnosis of engine faults
Starter motor does not operate or does notturn engine over 1. Ignition switch not in ON position. 2. Engine run switch in OFF position. 3. Maxi-fuse not in place. 4. Discharged battery, loose or corroded connections (solenoid chatters). 5. Starter...

Diagnosis of lubrication system faults
Engine uses too much oil or smokes excessively 1. Restricted breather operation. 2. Restricted oil filter. 3. Piston rings badly worn or broken. 4. Valve guides or seals worn. 5. Oil diluted with gas. Engine leaks oil from cases, hoses, etc. 1....

Diagnosis of electrical system faults
Note. For diagnostic information see the VFISCA Electrical Diagnostic Manual. Alternator does not charge 1. Voltage regulator/rectifier module not grounded. 2. Engine ground wire loose or broken. 3. Faulty regulator-rectifier module. 4. Loose or...

Diagnosis of transmission faults
Shifts hard 1. Clutch dragging slightly. 2. Shifter return spring (inside transmission) bent or broken. 3. Bent shifter rod. 4. Shifter forks (inside transmission) sprung. 5. Corners worn off shifter clutch dogs (inside transmission). 6. Hydraulic...

Diagnosis of handling faults
Irregularities 1. Improperly loaded motorcycle. Non-standard equipment on the front end such as heavy radio receivers, extra lighting equipment or luggage tends to cause unstable handling. 2. Damaged tire(s) or improper front-rear tire combination....

Brake does not hold normally
1. Master cylinder reservoir low on fluid. 2. Brake system contains air bubbles. 3. Master or wheel cylinder piston worn or parts damaged. 4. Brake pads contaminated with grease or oil. 5. Brake pads badly worn. 6. Brake disc badly worn or warped....