| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 9 |
| Headlamp aim out of alignment | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Upper Headlamp switch faulty |1.2.4| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Upper Position lamp not working |4.2.1 |a|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Gradient brake test indicates a binding brake |3.3.D1c| | 1 |
| Front Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Front Exhaust has part of the system missing both front downpipe clamps rusted off |missing| |7.1.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies bulb blown |1.3.1a| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Rear Wheel fixing loose |single fixing| pinch bolt |5.2.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear mono-shock pivot excessively worn top mount |2.4.B.4| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Front Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Suspension component has excessive wear or free play lower shock mount (5.3.3 (d)) | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Offside Front Upper Throttle operating incorrectly throttle sticking on - adjusted to correct and give free movement (6.2.7 (a) (i)) | 1 |
| Central Rear Upper Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam low bean lamp replaced (4.1.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Front left stanchion scored (5.3.2 (b)) | 1 |
| Throttle operating incorrectly sticking when on lock (6.2.7 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both front forks leaking excessively (5.3.2 (b)) | 1 |
| Nearside Front Brake disc contaminated contaminated by fork oil (1.1.14 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc fractured rear disc has 2 small cracks (1.1.14 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |