| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 69 |
| Registration plate issues | 58 |
| 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| | 18 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Horn not working |1.7.3a| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Registration plate lamp issues | 6 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| 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)) | 5 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Riders seat insecure |6.2.5 |a| |ii|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| 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|| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 2 |
| Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced swing arm |6.1.1 |b| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal |5.3.2 |b|| | 1 |
| Front Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned Offside indicator flashes when nearside indicator switch is activated. (4.4.3 (a)) | 1 |
| Central Rear Stop lamp adversely affected by the operation of another lamp Flashes when direction indicators are active. (4.3.3 (b)) | 1 |
| Central Rear Position lamp adversely affected by the operation of another lamp Flashes when direction indicators are active. (4.2.3 (b)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Brake performance not tested low brake fluid and condition of suspension |3.7.A.1| | 1 |
| Rear Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Nearside Rear Braking system leaking brake assemble from brake drum. |3.6.A.1| | 1 |
| Nearside Rear Brake back plate|s| securing device loose |3.5.1j| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush top bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush top bush |2.7.4| | 1 |
| Offside Rear Upper Suspension arm fractured leading arm thread insert |2.4.G.1| | 1 |
| Nearside Rear Inner Suspension arm which is adjustable, loose in adjustment threads trailing arm |2.4.G.1| | 1 |
| Offside Rear Upper Suspension arm insecure inner bushes |2.4.G.1| | 1 |
| Nearside Rear Upper Suspension arm insecure inner bushes |2.4.G.1| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bearing trailing and leading joints |2.4.G.2| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Stop lamp not working from front brake |1.2.1b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired unable to check for image as dipbeam inop |1.2.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on dip beam inop |1.1.3a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp insecure Lens (4.1.1 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering front fender (6.1.1 (a) (ii)) | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering front fender broken (6.1.1 (a) (ii)) | 1 |
| Front wheel bearings have excessive free play spindle not tight |2.3.5b| | 1 |
| Nearside Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Stop lamp missing Front and rear |1.3.3a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake pedal switch faulty |1.3.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |1.1.16 |b| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen you have a non Halogen bulb fitted which does not give a correct dip beam pattern. (4.1.2 (a)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Throttle operating incorrectly Throttle not returning correctly (6.2.7 (a) (i)) | 1 |
| Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Headlamp insecure headlamp assy insecure inside shell |1.2.3b| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Stop lamp not working switch |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Upper All direction indicators obviously incorrectly positioned indicators flashing in opposite direction to front indicators (4.4.3 (a)) | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Offside Rear Service brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Brakes imbalanced across an axle | 1 |
| Rear brake binding | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake cable insecure | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Rear Brake cable excessively corroded |3.2.A1b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Direction indicators flashing more than 120 times per minute (1.5.1c) | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Forks modification unsafe Fork brace missing mudguard insecure (2.2.2 (e)) | 1 |
| Wheel alignment incorrect which adversely affects the steering Forks twisted (2.4 (a)) | 1 |
| All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |