| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 44 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 26 |
| Registration plate issues | 23 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Offside Rear Direction indicator not working |1.5.1c| | 11 |
| Nearside Front Direction indicator not working |1.5.1c| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 9 |
| Nearside Rear Direction indicators not working |1.5.1c| | 9 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 9 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 8 |
| Offside Rear Direction indicators not working |1.5.1c| | 8 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Direction indicator not working |1.5.1c| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Horn not working |1.7.3a| | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Direction indicators not working |1.5.1c| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Rear position lamp incorrect colour |1.1.2b| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Nearside Rear Direction indicator not working |1.5.1c| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Riders seat insecure |6.2.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced Various areas (6.1.1 (c) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Indicator switch defective |1.5.4| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Horn control defective sticking on |1.7.2a| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Nearside Indicator tell tale not operating correctly |1.5.2| | 1 |
| Offside Indicator tell tale not operating correctly |1.5.2| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Floor brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Stop lamp not working does not illuminate with either front or rear lever (4.3.1 (a) (ii)) | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Lower Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Rear Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Lower Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Brake cable excessively corroded |3.2.A1b| | 1 |
| Rear Brake cable badly frayed |3.2.A1b| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Front Brake grabbing severely brake lever cannot be applied smoothly (1.2.1 (c)) | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front lever switch faulty (4.3.2 (a) (iii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Stop lamp not working Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake lever has insufficient reserve travel front brake inop (1.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated has play (5.1.3 (b) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front All position lamps not working when steering turned |4.2.1 |a|| | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Horn sound not in accordance with requirements Loose. (7.7 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Led bulb fitted showing no pattern. Requires standard fitting (4.1.2 (a)) | 1 |
| Direction indicator flashing more than 120 times per minute All four. |1.5.1c| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Lower Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Lower Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling front wheel incorrectly fitted. (2.4 (a)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling rear wheel incorrectly fitted. (2.4 (a)) | 1 |
| Rear Direction indicators not working intermitant. |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Brake hose fouling |3.2.B3b| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies front lever |1.3.1a| | 1 |
| Front Floor brake test indicates a sticking brake front brack seized on |3.3.C2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies no brake lights |1.3.1a| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Position lamp showing white light to the rear Lens damaged |4.2.3 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing has excessive wear or free play Play |2.2.2 |f| |i|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls does not work off front brake (4.3.2 (a) (iii)) | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Direction indicator not working (1.5.1c) | 1 |
| Offside Front Direction indicators not working (1.5.1c) | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Steering operation impeded by a fairing |2.1.4 |e|| | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Horn sound not in accordance with requirements too quiet-battery dead (7.7 (c)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Central Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Central Rear Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Centre Rear Fuel cap sealing washer torn |7.2.2c| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn control defective stays on |1.7.2a| | 1 |
| Rear Brake drum|s| insecure |3.2.A1g| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 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 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |