| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 33 |
| Headlamp aim out of alignment | 28 |
| Registration plate issues | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Handlebar grip insecure to handlebar lh handlebar grip loose |2.2.1 |d| |ii|| | 1 |
| Nearside Rear Footrest missing footrest damaged and inoperable |6.2.1a| | 1 |
| Nearside Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy Headraces pitted |2.2.2 |f| |i|| | 1 |
| Front shock absorber seal failed and leaking oil L/h fork seal leaking |2.3.3| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Exhaust has part of the system missing exhaust clamp missing. |7.1.1a| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp switch with a delay in operation rear brake switch sticking (4.3.2 (a) (ii)) | 1 |
| Offside Front Upper Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Stop lamp not working light not working on rear brake. (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Lower Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Upper Rear reflector missing REAR REFLECTOR MISSING - REPLACED AS NECESSARY (4.8.2 (a) (ii)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls from front brake lever (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls switch (4.3.2 (a) (iii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake component insecure (1.1.21 (c)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |