| Most common failures | No# failures |
|---|
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 25 |
| Headlamp aim out of alignment | 22 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 13 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 12 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 5 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 3 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Direction indicator insecure |1.5.3b| | 2 |
| Offside Front Direction indicator insecure |1.5.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Nearside Front Brake component worn and seriously reduced in strength |3.2.A1| | 2 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Registration plate issues | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 2 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| An item not tested |Manual| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Direction indicator missing o/s/r |1.5.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies r/h |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on r/h |1.1.3a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Nearside Brake lever has insufficient reserve travel rear (1.1.2 (a)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Inner Brake hose is likely to be fouled or trapped by moving parts at steering head: clip broken from anchor |3.2.B2c| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Centre Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Centre Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on sidelight |1.1.3a| | 1 |
| Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork (5.3.2 (b)) | 1 |
| Brake hose damaged | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Offside Rear Rear suspension component loose |2.4.A.1a| | 1 |
| 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 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Centre All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Registration plate lamp issues | 1 |
| Front Brake caliper has no reserve travel and braking performance affected brake binding no free movement (1.1.16 (e) (ii)) | 1 |
| Offside Rear suspension component loose |2.4.A.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Front Lower Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Centre Front Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |