| Most common failures | No# failures |
|---|
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Headlamp aim out of alignment | 10 |
| Registration plate lamp issues | 9 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 7 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Registration plate issues | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 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 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Exhaust has a major leak of exhaust gases Has hole drilled in downpipe (6.1.2 (a)) | 1 |
| Rear 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)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Motorcycle structure inadequately repaired such that structural rigidity is significantly reduced Front fender damaged sharp edges (6.1.1 (d) (i)) | 1 |
| Stop lamp emits other than a steady red light front brake light switch not functioning correctly (4.3.3 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Riders seat insecure no seat lock (6.2.5 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Headlamp not working on dipped beam Switch working intermittantly (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Not returning correctly (6.2.7 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Suspension component pin or bush excessively worn offside engine mount bush has become detached. (5.3.4 (a) (i)) | 1 |
| Suspension component has excessive wear or free play offside engine bush worn. (5.3.3 (d)) | 1 |
| Steering linkage locking device ineffective Steering loose (2.1.3 (d)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Valve stem seriously damaged Perrished & split (5.2.3 (j)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel fractured Part of cast spoke damaged/missing. (5.2.2 (a)) | 1 |
| Rear Valve stem seriously damaged Perrished & split (5.2.3 (j)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected excessively stiff (2.2.2 (f) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling Rear wheel is clearly offside bias in relation to centre line of machine.
Alignment bars will not clear the front wheel on offside. 2 inch clear on nearside (2.4 (a)) | 1 |
| Central Front Upper Steering linkage insecure to the extent there is excessive movement at the mountings major play in headstock bearings (2.1.3 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Exhaust system insecure to engine (6.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy steering stiff and notchy (2.2.2 (f) (i)) | 1 |
| Riders seat insecure latch not working (6.2.5 (a) (ii)) | 1 |
| Nearside All direction indicators not working dont stay on when switch released (4.4.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake hose damaged | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticks on right lock (6.2.7 (a) (ii)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp not working On rear control (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls Front brake switch not working (4.3.2 (a) (iii)) | 1 |
| Nearside Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected massive play in headstock (2.2.2 (f) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering Forks out of line (2.4 (a)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |