| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Registration plate issues | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| 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| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Offside Motorcycle structure cracked o/s foot rest mounting cracked and carries rear brake lever and master cylinder |6.1.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Horn missing |1.7.1| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Offside Rear Exhaust mounting missing |7.1.1c| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking fuel tank bolts loose |6.1.1c| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 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 Rear Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Lower Rear suspension component loose |2.4.A.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Nearside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear Brake pedal is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Brake pedal insecure |3.1.2a| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam stuck on main beam (4.1.3 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Stop lamp not working when front brake is applied (4.3.1 (a) (ii)) | 1 |