| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Throttle operating incorrectly |6.2.1f| | 5 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Brake disc|s| cracked |3.2.A1g| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Brake hose which buldges |3.2.B4| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp not working Front brake application. |4.3.1 |a| |ii|| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering Hand grip covers fouling on fairing |2.1.2a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Exhaust has a major leak of exhaust gases hole rusted in can |6.1.2 |a|| | 1 |
| Nearside Exhaust system insecure loose at clamp |6.1.2 |a|| | 1 |
| Offside Inner Front Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Brake pipe excessively corroded | 1 |
| Centre Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Registration plate issues | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Lower Brake lever attachment screws loose |3.1.2b| | 1 |
| Exhaust excessively deteriorated Lefthand silencer |7.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding very slow release (1.2.1 (f)) | 1 |
| Rear Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Rear Upper Suspension component mounting has an unsafe modification modification inadequate |5.3.3 |c| |i|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Nearside Rear Body component likely to become detached mudguard |6.2.1 |a| |ii|| | 1 |
| Offside Rear Body component likely to become detached mudguard |6.2.1 |a| |ii|| | 1 |
| Rear Rear reflector missing o/s and n/s |4.8.2 |a| |ii|| | 1 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Headlamp aim headlamp deteriorated and function impaired no pattern visible |1.2.3a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |