| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 19 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Registration plate issues | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 2 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Position lamp not working Low beam |4.2.1 |a|| | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Fuel cap ineffective seal stretched (6.1.3 (b) (i)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Upper Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Headlamp aim not tested bad battery affecting all lights (4.1.2 (b)) | 1 |
| Rear Stop lamp not working rear brake switch not working (4.3.1 (a) (ii)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases silencer blowing (6.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy excessively notchy (2.2.2 (f) (i)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake component insecure Brake hose had lost a support bracket allowing the hose to possibly foul other components. (1.1.21 (c)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail Front brake hoses have chafed through protective layer exposing and chafing through metal braid (1.1.12 (a)) | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing has excessive wear or free play loose (2.2.2 (f) (i)) | 1 |
| Steering headbearing excessively stiff or notchy centering when under load (2.2.2 (f) (i)) | 1 |
| Front Steering operation impeded by a fairing mudguard rubbing on body (2.1.4 (e)) | 1 |
| Front Horn not working switch broken (7.7 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Brake lining(s) less than 1.0 mm thick Rear (1.1.13 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Headlamp aim not tested bike not running so light not coming on (4.1.2 (b)) | 1 |
| Nearside Rear Motorcycle structure joining/attachment plate or fastening insecure trim chrome bar (6.1.1 (b) (i)) | 1 |
| Offside All direction indicators not working indicators fail when steering turned. (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock o/s lock stop not working (2.1.4 (c)) | 1 |
| Front Brake lever has restricted free movement harsh in operation (1.1.15 (e)) | 1 |
| Rear Brake lever has restricted free movement harsh in operation (1.1.15 (e)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition exhaust leaking (8.1.1 (a)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases rotten at manifold (6.1.2 (a)) | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Direction indicator incorrect colour intermitant (4.4.3 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen dipping to the wrong side (4.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Stop lamp with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 1 |
| Stop lamp switch with a delay in operation front switch is sticking causing light to stay on (4.3.2 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak FORK SEAL U/S |5.3.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play REAR WHEEL BEARING/DRIVE BEARING HAS EXCESSIVE PLAY IN SAME |5.1.3 |a| |i|| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Valve stem seriously damaged Perished (5.2.3 (j)) | 1 |
| Riders seat with a defective supporting structure lock not securing seat down (6.2.5 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake performance not tested not tested due to condition of brake |1.2.1 |g|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake cable insecure | 1 |
| Rear Brake hose connection leaking (1.1.12 (c)) | 1 |
| Offside Front Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy slightly notchy on straight ahead position (2.2.2 (f) (i)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |