| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 47 |
| Headlamp aim out of alignment | 41 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 18 |
| Registration plate lamp issues | 15 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Registration plate issues | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 11 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 11 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 10 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Steering headbearing has excessive free play |2.2.2| | 9 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Horn not working |1.7.3a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Indicator switch defective |1.5.4| | 6 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Horn not working (7.7 (a)) | 5 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 3 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 2 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear wheel insecure |4.2.3b| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front suspension assembly component excessively misaligned |2.3.1| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 2 |