| Most common failures | No# failures |
|---|
| Registration plate issues | 26 |
| Headlamp aim beam image kick up to the offside |1.6| | 24 |
| Headlamp aim out of alignment | 21 |
| Rear reflector on motorcycle missing |1.4.1| | 21 |
| Horn not working |1.7.3a| | 20 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 18 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 8 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| 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| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Drive chain excessively tight |6.2.1d| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Nearside Rear Direction indicator not working |1.5.1c| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Horn not working (7.7 (a)) | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 3 |
| Offside Rear Direction indicator not working |1.5.1c| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 3 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Nearside Front Direction indicator insecure |1.5.3b| | 2 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 2 |
| Horn missing |1.7.1| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Lower Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Front Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Centre Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear Brake component is severely distorted |3.1.5| | 1 |
| Offside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside 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 |
| Nearside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Nearside Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Offside Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Offside Front Brake component is fractured |3.1.5| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside 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 Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Upper Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Front Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Front Floor brake test indicates a severely juddering brake |3.3C2d.| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Nearside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Nearside Rear All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front Control |1.3.1a| | 1 |
| Nearside Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering |6.1.1 |a| |ii|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Centre Rear Upper Riders seat insecure |6.2.1a| | 1 |
| Nearside Rear Upper Footrest missing |6.2.1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Inner Front Lower Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Offside Rear Lower Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Braking system does not have an approriate system/s fitted according to its age |3.1.1| | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Motorcycle structure cracked |6.1.1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Throttle operating incorrectly throttle sticking |6.2.1f| | 1 |
| Offside Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front wheel bearings have excessive free play front |2.3.5b| | 1 |
| Nearside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Headlamp missing |1.2.3a| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Offside Front Lower Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Centre Rear Lower Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Direction indicator flashing more than 120 times per minute all indicators to fast |1.5.1c| | 1 |
| Fuel system component leaking fuel tap or pipe leaking |7.2.1a| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Centre Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp not working control one, front brake |4.3.1 |a| |ii|| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp aim beam image kick up to the offside beam deflector tape fitted |1.6| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Brake disc contaminated coated in a film of oil (1.1.14 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Throttle operating incorrectly Throttle sticking. (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Front Brake disc(s) is excessively distorted (3.2.A1m) | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied (3.1.3c) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Brake excessively binding Front Brake Excessive Bind (1.2.1 (f)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition NO BAFFLE FITTED (8.1.1 (a)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear 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 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock wiring (2.1.4 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Fairing insecure (6.1.1 (b) (i)) | 1 |