| Most common failures | No# failures |
|---|
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 10 |
| Horn not working |1.7.3a| | 10 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Headlamp aim out of alignment | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Registration plate issues | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Rear Brake component inadequately mounted rear brake lever pivot bolt only resting in place |1.1.21 |c|| | 1 |
| Rear Brake component insecure rear brake pivot locking nut missing |1.1.21 |c|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Rear Fuel cap sealing washer missing |7.2.2c| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Shock absorber insecurely attached |5.3.2 |a| |i|| | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Front suspension assembly component excessively corroded. stanchions |2.3.1| | 1 |
| Rear Brake drum|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Direction indicators not working L/H |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Nearside Forks excessively corroded |2.2.2 |d| |i|| | 1 |
| Offside Forks excessively corroded |2.2.2 |d| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy notchy affecting steering. (2.2.2 (f) (i)) | 1 |
| Forks in such a condition that steering control is adversely affected play in both fork legs offside leg is also pitted. (2.2.2 (d) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Offside Front Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Fuel hose so insecure there is a risk of fire Supply line to carburettor (6.1.3 (a) (ii)) | 1 |
| Fuel hose leaking Around carburettor (6.1.3 (b) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected Showing white light from behind lens (4.4.1 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle sticks (6.2.7 (a) (ii)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Headlamp aim not tested on dip beem (4.1.2 (b)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |