| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 16 |
| Headlamp aim out of alignment | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Brake hose damaged | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle operating incorrectly sticks (6.2.7 (a) (i)) | 1 |
| Rear Footrest insecure both (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Steering headbearing has excessive wear or free play adjusted (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel Rear break lever (1.1.2 (a)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock wirering harness loose and fouling headstock (2.1.4 (c)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Riders seat insecure (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 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Shock absorber likely to become detached Top bolt loose (5.3.2 (a) (ii)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Motorcycle structure is fractured and structural rigidity is significantly reduced lower frame section (6.1.1 (a) (i)) | 1 |
| Front 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 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect Possably due to battery flat (4.1.2 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Offside Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Fork yoke insecure 1 bolt isnt tightened fully (2.2.2 (d) (i)) | 1 |
| Nearside Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Central Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 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 |
| Front Brake cylinder damaged Sight glass cracked (1.1.16 (a) (i)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure engine bolts (6.1.1 (b) (i)) | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Nearside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Exhaust system insecure bolts missing from exhaust frame (6.1.2 (a)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |