| Most common failures | No# failures |
|---|
| Drive chain worn to excess |6.2.1e| | 5 |
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Registration plate issues | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake locking device missing Front lever locknut |3.2.A1e| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive chain sprocket worn to excess front & rear |6.2.1e| | 1 |
| Nearside Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp not working Change bulb |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Central Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies Front brake switch inoperative |1.3.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Throttle grip is loose |6.2.1f| | 1 |
| Throttle operating incorrectly Sticking on full lock (6.2.7 (a) (i)) | 1 |
| Rear Brake pedal pivot excessively tight |1.1.1 |a|| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Stop lamp not working Front brake control does not operate stop lamp. (4.3.1 (a) (ii)) | 1 |
| Central Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Position lamp lens seriously defective flashing on front (4.2.1 (b)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain excessively loose DRIVE CHAIN ADJUSTED DURING TEST (6.1.7 (c) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |