| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 3 |
| Registration plate lamp issues | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake lagging in operation |1.2.1 |d|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake effort inadequate at a wheel Air bled from rear brake system at station. |1.2.1 |a| |i|| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake lagging in operation |1.2.1 |d|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Shock absorber has an excessively worn bush upper and lower |5.3.2 |c|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Exhaust is leaking and excessively noisey blowing at front cylinder |7.1.1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake caliper operating mechanism has excessive travel |1.1.16 |e| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork leg (5.3.2 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Right hand lock |2.1.4 |b|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Central Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Front wheel bearings have excessive free play Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever has insufficient reserve travel Front brake has spongey operation [air in system]. (1.1.2 (a)) | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |