| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Drive chain excessively loose |6.2.1d| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Registration plate issues | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Registration plate lamp issues | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear wheel spindle loose |2.4.A.2b| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake hose stretched by suspension movement |3.2.B3b| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Exhaust markings indicating not for road use or similar wording both stamped not for road use |6.1.2 |c|| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Upper Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Front An item not tested |Manual| | 1 |
| Rear An item not tested |Manual| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease Both sides front |3.2.A1k| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Handlebar grip insecure to handlebar cleaned out and re-fitted |2.2.1 |d| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected cable routing fouling tank and pulling tight |6.2.7 |a| |ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Inner Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Lower Brake component is fractured |3.1.5| | 1 |
| Nearside Front Lower Brake component is fractured |3.1.5| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 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 not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Rear Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Direction indicator not working L/H (4.4.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp not working Not working from front brake (4.3.1 (a) (ii)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle not returning on its own.(sticking on). (6.2.7 (a) (ii)) | 1 |