| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 42 |
| Registration plate issues | 8 |
| Registration plate lamp issues | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Road wheel cracked |4.2.A.1a| | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Front Headlamp cleaning device inoperative |1.7.2| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Emissions not tested due to misfire (8.2.1.2 (d)) | 1 |
| Front Headlamp cleaning device for LED or HID headlamp inoperative no water in washers |4.1.6 |a| |ii|| | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Stop lamp(s) showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Offside Rear Outer Body component damaged and likely to cause injury LAMP (6.2.1 (a) (i)) | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |8.2.1.2 |g|| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Seat belt flexible stalk deteriorated likely to lead to failure under load |5.2.4a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Windscreen washer not working | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revs up on right turn (6.2.7 (a) (ii)) | 1 |
| Nearside Front Inner Suspension arm pin or bush excessively worn forward arm |5.3.4 |a| |i|| | 1 |
| Offside Front Inner Suspension arm pin or bush excessively worn forward arm |5.3.4 |a| |i|| | 1 |
| Central Front Steering rack has excessive free play detected at the steering wheel to the extent that safe steering is affected |steering rack fitted| |2.3 |a| |ii|| | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Nearside Inner Front Road wheel badly damaged |4.2.A.1a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Road wheel cracked |4.2.A.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Central Rear Seat belt buckle not functioning as intended |7.1.2 |d|| | 1 |
| Nearside Front Headlamp insecure |4.1.1 |c|| | 1 |
| Bumper insecure |6.1.4 |a| |i|| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Steering damper ineffective |2.1.2d| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Steering arm damaged and unserviceable |2.2.C.1d| | 1 |
| Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 1 |
| Nearside Front Fuel pipe leaking replaced (6.1.3 (b) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Outer Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |