| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Registration plate issues | 6 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front suspension assembly component excessively misaligned |2.3.1| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 2 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Front Brake caliper has no reserve travel and braking performance affected Front wheel bearings not tested . Due to severe binding (1.1.16 (e) (ii)) | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Centre Rear Lower Wheel spoke missing |4.2.1b| | 1 |
| Outer Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Centre Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Brake locking device missing tie bar split pin |3.2.A1e| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing missing top dust seal |2.2.1a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Rear Lower Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on stop/tail light bulb not working |1.1.3a| | 1 |
| Brake locking device missing split pin missing from torque arm |3.2.A1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lever excessively chafed |3.2.A1a| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake rod excessively damaged |3.2.A1c| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Brake hose excessively twisted |3.2.B3a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |