| Most common failures | No# failures |
|---|
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 20 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 19 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 14 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 13 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Headlamp aim out of alignment | 12 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 11 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 10 |
| Exhaust system insecure (6.1.2 (a)) | 9 |
| Rear Position lamp not working (4.2.1 (a)) | 9 |
| Registration plate issues | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Registration plate lamp issues | 7 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 7 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Headlamp aim not tested (4.1.2 (b)) | 6 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Headlamp insecure (4.1.1 (c)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Riders seat insecure (6.2.5 (a) (ii)) | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| 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)) | 3 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Front Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 2 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Front Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 2 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front bodywork insecure (6.1.1 (b) (ii)) | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 2 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 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 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Headlamp not working on main beam Switch / wiring faulty (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam switch / wiring faulty (4.1.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect DANGEROUS (5.3.2 (b)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced body work is all damaged and not secure (6.1.1 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front panel not secure (6.1.1 (b) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush excessively worn bottom shock mount badly worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working via front brake (4.3.1 (a) (ii)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Front Forks in such a condition that steering control is adversely affected fork movement excessively stiff (2.2.2 (d) (ii)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Nearside Front Upper Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly not returning (6.2.7 (a) (i)) | 1 |
| Front Headlamp aim not tested twin headlights one loose in housing and aiming everywhere (4.1.2 (b)) | 1 |
| Front Brake pedal is so short that the brake cannot be readily applied sharp edges (1.1.2 (d)) | 1 |
| Riders seat insecure does not lock (6.2.5 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front panel loose making head light go out (6.1.1 (b) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure battry insecure (6.1.1 (b) (i)) | 1 |
| Stop lamp not working rear system (4.3.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition silencer missing (8.1.1 (a)) | 1 |
| Horn sound not in accordance with requirements weak (7.7 (c)) | 1 |
| Central Rear Stop lamp not working rear brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Offside Front Stop lamp not working Switch (4.3.1 (a) (ii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Brake excessively binding not releasing under load (1.2.1 (f)) | 1 |
| Front Shock absorber has negligible damping effect excessively stiff when compressed (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect excessively stiff when compressed (5.3.2 (b)) | 1 |
| Throttle operating incorrectly cable loose (6.2.7 (a) (i)) | 1 |
| Front Headlamp aim not tested lights broken or loose (4.1.2 (b)) | 1 |
| Central Rear Upper All position lamps not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle assembly loose (6.2.7 (a) (ii)) | 1 |
| Headlamp not working on main beam Flashing on and off low battery (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam Flashing on and off low battery (4.1.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Engine will not run (8.1.1 (a)) | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake switch (4.3.2 (a) (iii)) | 1 |
| Handlebar grip insecure to handlebar Left grip (2.2.1 (d) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake lever insecure nut missing (1.1.2 (e) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Front Suspension component corroded and seriously weakened fork stansions (5.3.3 (b) (i)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect siezed up forks (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle raises when turned right (adjusted) (6.2.7 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect forks operation seizing (5.3.2 (b)) | 1 |
| Headlamp aim not tested SCOOTER WOULDN T START (4.1.2 (b)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up Causing brake judder on roller brake test (5.1.3 (a) (ii)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Central Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Nearside Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Brake lever excessively worn brake lever sharp edges (1.1.15 (b)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Direction indicator not working front and rear stuck on (4.4.1 (a) (ii)) | 1 |
| Offside Brake lever has restricted free movement brocken (1.1.15 (e)) | 1 |
| Headlamp insecure front panel damage is secure with cable ties (4.1.1 (c)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake component modification unsafe Front brake lever damaged (1.1.21 (d) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play top (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Position lamp adversely affected by the operation of another lamp By indicators (4.2.3 (b)) | 1 |
| Rear Brake cable damaged Inner is frayed at lever end. (1.1.15 (a)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected Incorrect lever, also insecure retaining bolt. (1.1.2 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls not working from front control (4.3.2 (a) (iii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Central Front Headlamp insecure Headlamp surroud/panel loose (4.1.1 (c)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls inop (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam no dip beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever excessively worn (1.1.15 (b)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Riders seat insecure not locking (6.2.5 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect forks sticking in down position (5.3.2 (b)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn Below recommended thickness (1.1.14 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Shock absorber has negligible damping effect forks operation siezed up very stiff (5.3.2 (b)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Steering linkage locking device ineffective (2.1.3 (d)) | 1 |