| Most common failures | No# failures |
|---|
| Horn not working (7.7 (a)) | 19 |
| Headlamp aim out of alignment | 10 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| 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% (1.2.2 (a) (i)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| 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)) | 1 |
| Horn not working (HORN BUTTON FAULTY INTERMITTENT) (7.7 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (LOOSE NEEDS REGLUEING) (2.2.1 (d) (ii)) | 1 |
| Riders seat insecure unable to lock seat in position (6.2.5 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort warped disc (1.2.1 (e)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Offside Front Footrest missing (6.2.12 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Position lamp showing white light to the rear lens broken (4.2.3 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working off front brake (4.3.2 (a) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy With wheel on the ground (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy excessively centering (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Headlamp insecure Headlamp housing has been repaired (4.1.1 (c)) | 1 |
| Riders seat insecure SEAT LATCH MISSING (6.2.5 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy centring notching (2.2.2 (f) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Front Fork yoke modification unsafe (2.2.2 (e)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Central Front Horn not working (7.7 (a)) | 1 |
| Offside Front Upper Horn not working Switch corroded (7.7 (a)) | 1 |
| Central Front Inner Horn not working (7.7 (a)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |