| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Registration plate issues | 9 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 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 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Upper Rear mono-shock insecure |2.4.B.4| | 1 |
| Rear Upper Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Rear Lower Brake disc|s| cracked |3.2.A1g| | 1 |
| Centre Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system (7.1.1.c) | 1 |
| Centre Front Exhaust is leaking and excessively noisey (7.1.1b) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.5.1) | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing (2.2.1a) | 1 |
| Offside Front Brake lever has inadequate reserve travel (3.1.3b) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake has no recorded effort at a wheel with the rear brake to front brake |1.2.1 |a| |ii|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake lever insecure lock nut missing |3.1.2a| | 1 |
| Clutch lever positioned so it cannot be readily operated. lock nut missing |6.2.1g| | 1 |
| Rear Stop lamp not working comes on then goes off (4.3.1 (a) (ii)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| 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|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls FRONT SWITCH (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Upper Brake hose leaking fluid |3.2.B4| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Centre Exhaust excessively deteriorated |7.1.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Offside Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Exhaust system insecure (6.1.2 (a)) | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |