| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 10 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 6 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front Horn not working |1.7.3a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Registration plate issues | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front suspension assembly component loose |2.3.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake cable badly frayed |3.2.A1b| | 2 |
| Brake pedal cannot be released smoothly |3.1.3d| | 2 |
| Centre Front Lower Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 2 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front Brake locking device insecure |3.2.A1e| | 2 |
| Centre Front Upper Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Offside Front suspension assembly component loose |2.3.1| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Rear Wheel more than one fixing missing |5.2.1 |a| |ii|| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Centre Rear Gradient brake test indicates a sticking brake |3.3.D1c| | 1 |
| Rear Brake pivot has restricted free movement |1.1.15 |e|| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Lower Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Leg shield so located that it is likely to impede the steering |2.1.2e| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Centre Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Brake cable badly frayed |3.2.A1b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust mounting does not fully support the exhaust system bolt missing |7.1.1.c| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Motorcycle structure cracked O/S ENGINE MOUNTING TUBE WELD CRACKED |6.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Lower Front suspension assembly component loose |2.3.1| | 1 |
| Nearside Front Lower Front suspension assembly component loose shock mounting |2.3.1| | 1 |
| Rear Brake drum|s| insecure |3.2.A1g| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Centre Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front wheel bearings have excessive free play spindle nut loose |2.3.5b| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear wheel bearings have excessive free play or wheel loose |2.4.A.2c| | 1 |
| Offside Front Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Brake drum|s| insecure |3.2.A1g| | 1 |
| Centre Rear Upper Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Centre Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Offside Upper Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Front Front wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear wheel has a missing wheel bolt|s| |4.2.3a| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear wheel has a missing wheel stud|s| |4.2.3a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake caliper insecurely mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Front Wheel hub worn to the extent that wheel security is adversely affected |5.2.1 |b| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |