| Most common failures | No# failures |
|---|
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Headlamp aim out of alignment | 4 |
| Registration plate lamp issues | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Registration plate issues | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| 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 |
| Front Brake disc contaminated (1.1.14 (b)) | 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 Brake lever has insufficient reserve travel (1.1.2 (a)) | 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 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 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 Valve stem seriously damaged Perrished & split (5.2.3 (j)) | 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 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Valve stem seriously damaged Perrished & split (5.2.3 (j)) | 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 |
| 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 |
| Steering headbearing excessively stiff or notchy steering stiff and notchy (2.2.2 (f) (i)) | 1 |
| Exhaust has a major leak of exhaust gases Has hole drilled in downpipe (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticks on right lock (6.2.7 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 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 has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected massive play in headstock (2.2.2 (f) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| 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 |