| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Registration plate lamp issues | 21 |
| Brake hose excessively deteriorated | 15 |
| Registration plate issues | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake grabbing severely |1.2.1 |c|| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 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 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Rear Brake lever is so short and the brake cannot be readily applied VERY SHARP EDGE ON THE LEVER |3.1.3c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Top box insecure. |6.1.1 |b| |i|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Rear carrier insecure. |6.1.1 |b| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Front Shock absorber has negligible damping effect seized |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has negligible damping effect seized |5.3.2 |b|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on side light |1.1.3a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies CHANGED BULB TO RECITIFY |1.3.1a| | 1 |
| Lower Fork yoke deformed bent backwards, wheel fouling bodywork |2.1.1b| | 1 |
| Nearside Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Rear wheel rotation likely to be impeded mud guard insecure |6.2.1b| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts by head stock |3.2.B2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling front forks and wheel out of line |2.5.1| | 1 |
| Steering lock stop maladjusted both sides one side trapping brake pipe |2.1.3| | 1 |
| Headlamp at least one does not illuminate on dipped beam switch not working |1.2.2a|i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected over revving intermittently |6.2.7 |a| |ii|| | 1 |
| Central Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on Number plate light |1.1.3a| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front suspension assembly component missing bolt |2.3.1| | 1 |
| Offside Front suspension assembly component missing bolt |2.3.1| | 1 |
| Central Front Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Suspension component pin or bush excessively worn rear engine mount bushes (5.3.4 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Brake lever has restricted free movement is excessively bent (1.1.15 (e)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure rear end is dropping off (6.1.1 (b) (i)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Vehicle identification number has more than one different number displayed (0.2 (c)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Brake hose damaged | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Upper Wheel fixing missing (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Stop lamp not working Front lever switch (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside All direction indicators not working intermittent when steering turned. (4.4.1 (a) (ii)) | 1 |
| Horn not working Stuck on (7.7 (a)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Rear Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |