| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 44 |
| Registration plate issues | 25 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| 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| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Horn not loud enough to be heard by another road user (1.7.3a) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Central Lower Exhaust has a major leak of exhaust gases collector pipe corroded a blowing |6.1.2 |a|| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Brake drum|s| insecure |3.2.A1g| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock Cable caught on projection. |2.1.4| | 1 |
| Rear Lower Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front suspension assembly component missing |2.3.1| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Towbar component insecure |6.6.1| | 1 |
| Brake hose has insufficient room to move | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake cable locking device insecure |3.5.1l| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Rear Brake rod modified and seriously weakened |3.5.1n| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Front shock absorber leaking oil |9.2.7b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Wheel spoke missing |4.2.1b| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Direction indicators not working all |1.5.1c| | 1 |
| Offside Stop lamp not working hand control (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake pedal has inadequate reserve travel rear brake pedal has to much travel, adjusted . (3.1.3b) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Fuel cap sealing washer deteriorated (7.2.2c) | 1 |
| Front position lamp incorrect colour (1.1.2a) | 1 |
| Headlamp insecure (1.2.3b) | 1 |
| Nearside Headlamp incorrect colour (1.2.1) | 1 |
| Offside Headlamp incorrect colour (1.2.1) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Nearside Front Direction indicators not working (1.5.1c) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock (2.1.4) | 1 |
| Front Upper Shock absorber insecurely attached bolts loose (5.3.2 (a) (i)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Horn not working horn not working and affects other lights (7.7 (a) (ii)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock Upper fork yoke fouling on steering lock boss restricting steering movement.Repaired at station. (2.1.4 (c)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Stop lamp(s) remains on when the brakes are released pedal (4.3.2 (a) (iii)) | 1 |
| Obligatory mirror missing both (3.3 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Nearside Obligatory mirror missing (3.3 (a)) | 1 |
| Rear Stop lamp(s) remains on when the brakes are released intermitantly (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake disc contaminated Suspect contaminated with fork oil. (1.1.14 (b)) | 1 |
| Rear Exhaust system insecure silencers incesure both, and replace broken clamp (6.1.2 (a)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |