| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 9 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Registration plate lamp issues | 2 |
| Rear Brake pedal insecure lever bolt loose |1.1.2 |e| |i|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake component insecure |1.1.21 |c|| | 1 |
| Nearside Front Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride split link incorrectly fitted |6.2.1h| | 1 |
| Stop lamp remains on when the brake is released front brake lever switch |1.3.1e| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Offside Front Brake lever has inadequate reserve travel No reserve lever travel |3.1.3b| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp not working on front lever |4.3.1 |a| |ii|| | 1 |
| Drive chain so worn it is likely to fail one broken link |6.1.7 |c| |ii|| | 1 |
| Rear Wheel has loose rivet/s or bolts |5.2.2 |e| |i|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Front Direction indicators not working and rear |1.5.1c| | 1 |
| Chain guard insecure missing |6.2.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear suspension bush has excessive free play Swinging arm |2.4.A2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain horseshoe locking device likely to become detached |6.1.7 |j| |ii|| | 1 |
| Nearside Rear Upper Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen beam kick up to the right.headlight mask has been fitted |4.1.2 |a|| | 1 |
| Stop lamp not working Rear brake |4.3.1 |a| |ii|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 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 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Front Wheel fixing loose |single fixing| locking split pin |5.2.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling set (2.4 (a)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen headlight mask has been fitted (4.1.2 (a)) | 1 |
| Rear Wheel hub excessively damaged (5.2.1 (b) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake reaction bracket excessively worn (1.1.15 (b)) | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| Rear Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Vehicle identification number not displayed (0.2 (a)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Brake disc insecure LOCK TABS NOT LOCKED SECURED (1.1.14 (a) (ii)) | 1 |
| Rear Brake pedal insecure foot pedal pin clip missing (1.1.2 (e) (i)) | 1 |
| Rear Stop lamp not working foot pedal (4.3.1 (a) (ii)) | 1 |
| Offside Front Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Shock absorber insecurely attached bottom bolt loose (5.3.2 (a) (i)) | 1 |
| Rear Lower Suspension arm attachment bracket/mounting insecure arm bolt split pin missing (5.3.3 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Rear Brake component insecure rear brake plate arm split pin missing (1.1.21 (c)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake caliper leaking and braking performance affected rear brake not tested because caliper leaking fluid (1.1.16 (b) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp all on at same time (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |