| Most common failures | No# failures |
|---|
| Registration plate issues | 23 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 19 |
| Steering headbearing has excessive free play |2.2.2| | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Riders seat insecure |6.2.1a| | 14 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 13 |
| Headlamp aim out of alignment | 12 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 7 |
| Horn not working |1.7.3a| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Fuel cap sealing washer missing |7.2.2c| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| 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| | 4 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Horn is not continous or uniform |1.7.3c| | 2 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Exhaust has part of the system missing |7.1.1a| | 2 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 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 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 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 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel system component leaking Carb area |7.2.1a| | 1 |
| Rear All position lamps adversely affected by the operation of the horn |1.1.3b| | 1 |
| Seat insecure |6.2.1a| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 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 |
| Nearside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Offside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Riders seat with a defective supporting structure not locking down (6.2.5 (a) (i)) | 1 |
| Fuel cap ineffective no seal (6.1.3 (b) (i)) | 1 |
| Front Handlebar handgrip missing |2.1.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Central Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel rotation likely to be impeded rear fender insecure |6.2.1b| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Headlamp light intensity severely reduced dipped beam and full beam |4.1.4 |a|| | 1 |
| Headlamp aim not tested not bright enough to test |4.1.2 |b|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicator obscured |1.5.1a| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Fuel cap leaking seal missing |6.1.3 |b| |i|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Nearside Front Brake lever insecure |3.1.2a| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Upper Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp flickers when tapped lightly by hand |1.3.1d| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp deteriorated and function impaired main beam |1.2.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Exhaust system insecure exhaust detatched at engine mount |6.1.2 |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 |
| Front Brake disc significantly and obviously worn worn due to no pad material |1.1.14 |a| |i|| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |