| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 18 |
| Drive chain worn to excess |6.2.1e| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 4 |
| Headlamp insecure |1.2.3b| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Registration plate lamp issues | 4 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Handlebar retaining device loose (2.2.1 (b) (i)) | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Registration plate issues | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Nearside Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Rear Lower Brake component insecure Brake reaction rod rear mounting security device missing |1.1.21 |c|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute All |1.5.1c| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Offside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Headlamp switch faulty on selecting dip |1.2.4| | 1 |
| Nearside Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Upper Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Offside Front Upper Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired no pattern |1.2.3a| | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies ADJUSTED |1.3.1a| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear suspension bush has excessive free play swing arm bushes |2.4.A2a|i|| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Stop lamp not working rear brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Suspension arm pin or bush excessively worn swinging arm bearings (5.3.4 (a) (i)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Footrest missing both rears (6.2.12 (a)) | 1 |
| Upper Engine mounting/bracket excessively loose nut missing from upper bracket (6.1.8 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition baffles missing and leaking from front pipe (8.1.1 (a)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Brake locking device missing rear brake arm |3.2.A1e| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Drive chain sprocket worn to excess rear sprocket bearing (6.1.7 (c) (i)) | 1 |
| Rear Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies when foot brake applied |1.3.1a| | 1 |
| Drive chain sprocket carrier worn to excess cush drive |6.2.1e| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies does not illuminate on rear brake pedal |1.3.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain connecting link very loose |6.2.1h| | 1 |
| Horn missing |1.7.1| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Drive chain worn to excess broken |6.2.1e| | 1 |
| Nearside Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Headlamp lens seriously defective |4.1.1 |b| |ii|| | 1 |