| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Registration plate issues | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Nearside Front Footrest insecure |6.2.1a| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Footrest missing |6.2.1a| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator insecure |1.5.3b| | 2 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Fuel system component leaking fuel tap leaking |7.2.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear position lamp missing |1.1.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Sidecar direction indicator incorrect colour |1.5.1b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Motorcycle structure excessively distorted offside inner frame
|6.1.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear 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 Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Throttle operating incorrectly throttle doesn`t return when released |6.2.1f| | 1 |
| Steering lock stop ineffective handle hits fuel tank before steering lockstop |2.1.3| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Subframe mounting prescribed area is fractured |2.4.A.3| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Position lamp switch does not operate in accordance with the requirements |4.2.2 |a|| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Front Brake lever locking device missing |3.5.1l| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock left lock |2.1.4| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Motorcycle structure cracked |6.1.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing lock pin missing |3.2.A1j| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticks on when handle bars pulled to the right |6.2.7 |a| |ii|| | 1 |
| Throttle operating incorrectly Throttle doesn`t return to closed position |6.2.1f| | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp indicator |4.2.3 |b|| | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp indicator |4.2.3 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface |4.8.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front shock absorber seal failed and leaking oil Both front x 2 |2.3.3| | 1 |
| Centre Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Central Front Inner Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Upper Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Nearside Front Upper Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Offside Front Position lamp switch insecure (4.2.2 (b)) | 1 |
| Offside Front Brake lever has restricted free movement catches on light switch (1.1.15 (e)) | 1 |
| Offside Motorcycle structure has excessive corrosion which adversely affects braking or steering swing arm mount (6.1.1 (c) (ii)) | 1 |
| Offside Rear Motorcycle structure joining/attachment plate or fastening insecure wheel stabaliser arm (6.1.1 (b) (i)) | 1 |
| Rear Suspension attachment bracket/mounting insecure stab arm no locking device (5.3.3 (a) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak both shox (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak both fork seals (5.3.2 (b)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced swingarm holed (6.1.1 (c) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Suspension arm corroded and seriously weakened Rear swing arm corroded. (5.3.3 (b) (i)) | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Throttle operating incorrectly does not close on left hand lock (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticks on left hand lock (6.2.7 (a) (ii)) | 1 |