| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 21 |
| Registration plate issues | 12 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 11 |
| Steering headbearing has excessive free play |2.2.2| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 7 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 6 |
| Nearside Front Direction indicator not working |1.5.1c| | 5 |
| Horn not working |1.7.3a| | 5 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Nearside Front Direction indicators not working |1.5.1c| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 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 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim not tested |1.6| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Direction indicator incorrect colour |1.5.1b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Nearside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Centre Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Front Upper Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Centre Rear Lower Brake drum|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Centre Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Wheel fixing loose (single fixing) secured bolt. (5.2.1 (a) (ii)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Direction indicator incorrect colour |1.5.1b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Shock absorber has negligible damping effect seized |5.3.2 |b|| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake cable excessively corroded cable frayed by lever |1.1.15 |b|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Headlamp not working on dipped beam dipped |4.1.1 |a| |ii|| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Exhaust has part of the system missing Not able to test |7.1.1a| | 1 |
| All position lamps do not illuminate immediately when switched on Not able to start the scooter |1.1.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Front suspension assembly excessive wear or free play in a front suspension component both front forks |2.3.4| | 1 |
| Nearside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Nearside Rear Brake lever excessively worn |1.1.15 |b|| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Front pipe holed. (8.1.1 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel lever reaches handlebar before locking out . (1.1.2 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Front Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Direction indicator incorrect colour both (4.4.3 (a)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake cable excessively corroded |3.2.A1b| | 1 |