| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 38 |
| Registration plate issues | 10 |
| 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 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Horn not working |1.7.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Brake performance not tested front brakes faulty - randomly loses pressure and lever pulls in to handlebar |3.3| | 2 |
| Brake lever mounting insecure |3.1.2a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear brake binding | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Towbar locking device insecure |6.6.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies from front control |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies from rear control |1.3.1a| | 1 |
| Offside Front Upper Indicator tell tale not operating correctly |1.5.2| | 1 |
| Nearside Front Upper Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear 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 |
| Offside Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Horn missing |1.7.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Brake lever attachment screws loose incorrect bolt used & lock nut missing |3.1.2b| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Brake valve insecurely mounted |3.6.A.2a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Rear All direction indicators obviously incorrectly positioned too close |4.4.3 |a|| | 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 |
| Stop lamp not working from the operation of rear brake. |4.3.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake lever |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel fixing loose (single fixing) spindle pinch bolt loose (5.2.1 (a) (ii)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering (2.1.2a) | 1 |
| Direction indicator flashing more than 120 times per minute (1.5.1c) | 1 |
| Front Brake cylinder insecurely mounted (3.2.B1a) | 1 |
| Nearside Rear position lamp adversely affected by the operation of another lamp (1.1.3b) | 1 |
| Offside Rear position lamp adversely affected by the operation of another lamp (1.1.3b) | 1 |
| Nearside Stop lamp affected by the operation of another lamp (1.3.2) | 1 |
| Offside Stop lamp affected by the operation of another lamp (1.3.2) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Braking system leaking servo pipe split (1.1.3 (d)) | 1 |
| Brake cable damaged hand brake cable repair unsatisfactory (1.1.15 (a)) | 1 |
| Brake servo defective or ineffective (1.1.10 (a) (i)) | 1 |
| Service brake efficiency less than 50% of the required value rear brakes not working whilst front brake is locked with one control (1.2.2 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working Not working from front control. (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Upper Throttle operating incorrectly throttle not returning when released - adjusted cable to allow free movement and quick return to idle position (6.2.7 (a) (i)) | 1 |