| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Registration plate issues | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Horn not working |1.7.3a| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Registration plate lamp issues | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Central Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Offside Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Nearside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 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 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working Front brake switch faulty (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Central Front Position lamp not working Front park lamp not working. (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Upper Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Upper Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess worn to max adjustment and has tight spots in links |6.2.1e| | 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 |
| Nearside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking handlbar |6.1.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Shock absorber has a serious fluid leak r/h fork seal leaking (5.3.2 (b)) | 1 |
| Horn missing |1.7.1| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Offside Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Centre Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake control |1.3.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |