| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Registration plate issues | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Registration plate lamp issues | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Chain guard insecure |6.2.1c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Offside Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 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 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Footrest insecure and also badly split (6.2.12 (a)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Footrest missing BOTH REAR |6.2.12 |a|| | 1 |
| Drive chain excessively loose DRIVE CHAIN MAY BE WORN TO EXCESS AND MUST BE INSPECTED FOR REPLACEMENT. NOT VISIBLE TO THE TESTER DUE TO CHAIN GUARD COVERS. |6.1.7 |c| |i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing And mounting |6.2.12 |a|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front mudguard can easily contact any fixed point of the motor bicycle. |2.3.7| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure rear luggage rack/rear indicators |6.1.1 |b| |i|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Fuel cap missing |6.1.3 |b| |i|| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Rear Brake linkage has restricted free movement |1.1.15 |e|| | 1 |
| Centre Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Front Front position lamp missing |1.1.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |