| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 21 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 16 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 15 |
| Headlamp aim out of alignment | 11 |
| Steering headbearing has excessive free play |2.2.2| | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Horn not working |1.7.3a| | 10 |
| Registration plate issues | 10 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 7 |
| Fuel cap sealing washer missing |7.2.2c| | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Rear reflector missing |4.8.2 |a| |ii|| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear reflector on motorcycle obscured |1.4.2b| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Offside Rear Exhaust system insecure (6.1.2 (a)) | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Central Front Upper Horn not working |1.7.3a| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Front Upper Headlamp insecure |4.1.1 |c|| | 1 |
| Offside Rear Lower Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Central Front Upper Motorcycle structure is fractured and structural rigidity is significantly reduced cowling insucure |6.1.1 |a| |i|| | 1 |
| Central Front Upper Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Front Upper Indicator switch inoperative does not operate positively r/h opp |4.4.2 |a| |ii|| | 1 |
| Central Rear Upper Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 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 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp does not emit a steady light not working on rear brake control |1.3.1b| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies rear brake lever stop light |1.3.1a| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak caliper and lower leg oil soaked |5.3.2 |b|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear position lamp deteriorated and function impaired lamp inop |1.1.1b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies handle bar lever |1.3.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Upper Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Fairings insecure and likely to impede the steering front control panel loose |2.1.2e| | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front operated. |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear operated. |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil L/H Fork seal leaking. |2.3.3| | 1 |
| Central Front Lower Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Central Front Upper Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working Front and Rear |4.3.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering Front wheel and handlebars misaligned. (6.1.1 (a) (ii)) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Indicators are integrated within the tail light. (4.4.3 (a)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Upper Stop lamp does not illuminate by the operation of both brake controls Brake lamp switch not working. (4.3.2 (a) (iii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork leg leaking fluid. (5.3.2 (b)) | 1 |
| Rear Wheel has an excessively distorted bead rim. rim is buckled in excess of 2mm |4.2.2| | 1 |
| 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 affected by the operation of another lamp |1.3.2| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 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 |
| Front Brake lever has insufficient reserve travel Lever touching throttle - when fully pulled in (1.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy Stiff (2.2.2 (f) (i)) | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released front brake light remains on |1.3.1e| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp not working rear brake lever |4.3.1 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Stop lamp not working with rear brake control (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim not tested No dipped beam |4.1.2 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Handlebar grip insecure to handlebar throttle (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp not working Rear brake lever (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering Front forks bent, twisted out of alignment (2.4 (a)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Central Rear Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Central Front Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Central Rear Upper Rear position lamp damaged and function impaired Rear position lamp very dim due to partial failure of front headlamp bulbs |partial short, dropping supply voltage| |1.1.1b| | 1 |
| Central Rear Upper Stop lamp does not illuminate immediately a brake applies Rear brake switch failed & replaced |1.3.1a| | 1 |
| Central Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear position lamp adversely affected by the operation of another lamp headlamp dipped beam |1.1.3b| | 1 |
| Direction indicators not working flashing out of sink to the front |1.5.1c| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.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 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |