| Most common failures | No# failures |
|---|
| Registration plate issues | 62 |
| Headlamp aim out of alignment | 40 |
| 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| | 23 |
| Rear reflector on motorcycle missing |1.4.1| | 19 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 16 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate lamp issues | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 3 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 3 |
| 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)) | 3 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Drive belt excessively loose. |6.2.1d| | 2 |
| 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|| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Offside Front Footrest insecure |6.2.12 |a|| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Upper Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Offside Lower Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake pedal insecure |3.1.2a| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Offside 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 Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator obscured |1.5.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Front Upper Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Upper 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 |
| Offside Rear Lower 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 |
| Rear Wheel fixing missing |single fixing| s/pin missing |5.2.1 |a| |ii|| | 1 |
| Brake caliper|s| insecure Excessive movement |3.2.A1j| | 1 |
| Exhaust mounting does not fully support the exhaust system Front cylinder exhaust loose |7.1.1.c| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Fuel hose leaking |7.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Exhaust has part of the system missing |7.1.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Fuel system component leaking |7.2.1a| | 1 |
| Offside Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Drive belt excessively tight |6.2.1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Braking system does not have an approriate system/s fitted according to its age |3.1.1| | 1 |
| Nearside Rear Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Stop lamp not working from rear foot brake |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake caliper inadequately mounted contact with discs |1.1.16 |c| |i|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies when operating front brake |1.3.1a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp not working rear pedal (4.3.1 (a) (ii)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |