| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 35 |
| Front wheel bearings have excessive free play |2.3.5b| | 27 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 19 |
| Registration plate issues | 17 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 16 |
| Front suspension has inadequate damping effect. |2.3.6c| | 15 |
| Front wheel bearings are excessively rough |2.3.5b| | 14 |
| Stop lamp remains on when the brake is released |1.3.1e| | 12 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 11 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 10 |
| Headlamp switch faulty |1.2.4| | 9 |
| Headlamp deteriorated and function impaired |1.2.3a| | 9 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 8 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Headlamp aim not tested |1.6| | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 6 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 6 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 4 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 4 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 3 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Offside Rear Direction indicator insecure |1.5.3b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| An item not tested |Manual| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 2 |
| Centre Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Outer Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear suspension bearing has excessive free play engine pivot bearings |2.4.A2a|i|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear reflector on motorcycle damaged and function impaired |1.4.2a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| All position lamps do not illuminate immediately when switched on front and rear. |1.1.3a| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear suspension bush has excessive free play ENGINE BUSHES |2.4.A2a|i|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Centre Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Rear Lower Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Handlebar mounting so insecure that steering is adversely affected |2.2.1 |a| |ii|| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bearing excessively deteriorated |2.4A.2a|i|| | 1 |
| Offside Rear Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Upper Steering linkage has excessive free play |2.2.2| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride engine mount nut missing |6.2.1h| | 1 |
| Rear suspension bearing has excessive free play engine mount bearings |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Lower Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension component cracked |2.4.A.1a| | 1 |
| Offside Rear Direction indicators not working replaced now working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Rear An item not tested |Manual| | 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 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Motorcycle structure cracked |6.1.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Front Position lamp switch insecure |1.1.4b| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Centre Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Motorcycle structure excessively corroded R/H engine mount spacer corroded excessively. |6.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam Headlight switch defective. |1.2.2a|i|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |