| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 42 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 15 |
| Throttle operating incorrectly |6.2.1f| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 11 |
| Rear 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| | 11 |
| Registration plate issues | 10 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Horn not working |1.7.3a| | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Headlamp insecure |1.2.3b| | 4 |
| Front Brake disc|s| cracked |3.2.A1g| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Nearside Footrest insecure |6.2.1a| | 3 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Offside Footrest insecure |6.2.1a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Offside Rear Direction indicator insecure |1.5.3b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Footrest insecure |6.2.1a| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Direction indicator missing |1.5.1a| | 2 |
| Rear Direction indicator missing |1.5.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Riders seat missing |6.2.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| An item not tested |Manual| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Offside Shock absorber has a serious fluid leak front fork |5.3.2 |b|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Centre Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Footrest missing will not come down |6.2.1a| | 1 |
| Nearside Front Footrest missing |6.2.1a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Offside Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Front Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Footrest insecure bracket that the foot peg attached to is insecure to frame |6.2.12 |a|| | 1 |
| Front Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Centre Lower Brake pedal attachment screws loose o/s foot plate loose, mounting to frame |3.1.2b| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Central Rear Lower Stop lamp not working OFF PEDAL |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp remains on when the brake is released Rear Control |1.3.1e| | 1 |
| Brake linkage clevis joint excessively worn |3.2.A1d| | 1 |
| Centre Front Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride on foot peg |6.2.1h| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Nearside Handlebar cracked |2.1.1b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Offside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Offside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Exhaust mounting missing |7.1.1c| | 1 |
| Centre Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Rear Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp light intensity severely reduced dipped beam very dull barely hitting test screen (4.1.4 (a)) | 1 |
| Front Wheel bearing rough when rotated wheel bearings have play and feel rough when spinning front wheel (5.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak both sides (5.3.2 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake disc contaminated fork seals suspect/pitted stantions (1.1.14 (b)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake lever has insufficient reserve travel lever hits bars (1.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |