| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 66 |
| Registration plate issues | 62 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 14 |
| Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| 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| | 7 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| 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)) | 3 |
| Drive belt fouling another component |6.2.1d| | 2 |
| Front Brake pipe excessively damaged |3.2.B2a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Brake hose damaged | 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 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear Brake pedal insecure |3.1.2a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front position lamp damaged and function impaired |1.1.1b| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Offside Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Offside Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Fuel cap ineffective Fuel cap seal replaced. |6.1.3 |b| |i|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Riders seat insecure Seat not located under front fixing |6.2.5 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front switch |1.3.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear Rear reflector on motorcycle missing reflector replaced |1.4.1| | 1 |
| Front Lower Front wheel spindle securing nut|s| loose bolt re tightened |2.3.3a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Drive belt excessively tight |6.2.1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Nearside Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Lower Motorcycle structure adversely modified |6.1.1b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn replaced by a siren |1.7.3b| | 1 |
| Rear Drive belt guard fouling another component |6.2.1c| | 1 |
| Centre Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Rear Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Brake master cylinder severely damaged |3.2.B1b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released Front lever |1.3.1e| | 1 |
| Floor brake test indicates a binding brake Front wheel |3.3.C2c| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded Front caliper binding against disc and wearing disc away |3.2.A1h| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Handlebar mounting clamp loose both front |2.1.1a| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Offside Front 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 |
| Offside 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 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Upper Brake pipe inadequately supported |3.2.B2b| | 1 |
| Offside Rear Lower 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 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Direction indicator insecure |1.5.3b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Fuel hose insecure (6.1.3 (a) (i)) | 1 |
| Front Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Nearside Front Shock absorber insecurely attached bolt loose (5.3.2 (a) (i)) | 1 |
| Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Front Stop lamp not working switch missing (4.3.1 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Nearside Front Suspension component likely to fail (5.3.3 (b) (ii)) | 1 |
| Front Brake excessively binding Do not ride. (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front not working (4.3.2 (a) (iii)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Handlebar mounting insecure handle bar loose in handle bar mountings. (2.2.1 (a) (i)) | 1 |
| Offside Front Footrest insecure mounting fractured. (6.2.12 (a)) | 1 |
| Rear Brake pedal insecure mounting fractured. (1.1.2 (e) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Rear reflector missing PRS -Replaced (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls does not work when front brake applied (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied brake pedal fouling on exhaust (1.1.2 (d)) | 1 |
| Stop lamp not working front brake not operating the stop lamp (4.3.1 (a) (ii)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Lower Brake hose connection leaking (1.1.12 (c)) | 1 |