| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 19 |
| Registration plate issues | 15 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 4 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 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 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Road spring mounting damaged and seriously weakened adjuster lug braking away from shock body (5.3.1 (b) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Direction indicator not working front & rear. |1.5.1c| | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticks on when turned to the right (6.2.7 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies may need further investigation,working when tested. |1.3.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Outer Position lamp not working |4.2.1 |a|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp not working footbrake |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working handbrake |4.3.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working FITTED NEW HORN (7.7 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering steering twisted (2.4 (a)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Stop lamp not working brake light front not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned incorrect spacing (4.4.3 (a)) | 1 |
| Nearside Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Central Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake pedal is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases lamda sensor hole exposed (no sensor fitted) (6.1.2 (a)) | 1 |
| Rear Drive chain sprocket worn to excess front not visible |6.1.7 |c| |i|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 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 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride split pin |6.2.1h| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp switch with a delay in operation Intermittent Switch |4.3.2 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp not working rear control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working front control flashes on but goes out (4.3.1 (a) (ii)) | 1 |
| Footrest insecure both rear (6.2.12 (a)) | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Stop lamp not working stop lamp not working on front brake lever |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Rear Brake clevis joint excessively worn (1.1.15 (b)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Handlebar restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Stop lamp not working with hand control (4.3.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Central Front Upper Headlamp not working on main beam High beam and low beam were connected incorrectly - have corrected to give correct beam pattern (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Wheel spindle locking device missing missing rear split pin - locking device to rear wheel spindle (5.2.1 (d)) | 1 |
| Nearside Front Horn control defective |1.7.2a| | 1 |
| Nearside Front Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spindle locking device missing torqued wheel nut and added split pin. (5.2.1 (d)) | 1 |