| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Fairing so located that it is likely to impede the steering |2.1.2e| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Rear Upper Engine mounting/bracket damaged or deteriorated resulting in excessive movement main bush |6.1.8 |a| |i|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected bearings pitted with front wheel raised |2.2.2 |f| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Registration plate issues | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded caliper rubbing on disc |3.2.A1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Registration plate lamp issues | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake disc significantly and obviously worn Dangerously bent and deformed |1.1.14 |a| |i|| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Central Rear Motorcycle structure has a fracture which is likely to adversely affect braking or steering |6.1.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Indicator switch defective |1.5.4| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake disc(s) is excessively distorted (3.2.A1m) | 1 |
| Rear Brake disc(s) has excessive run out rubbing on calliper (3.2.A1m) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake disc insecure bolt missing (1.1.14 (a) (ii)) | 1 |
| Nearside Rear Upper Engine mounting/bracket damaged or deteriorated resulting in excessive movement main bush |6.1.8 |a| |i|| | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Rear Shock absorber has negligible damping effect REAR SUSPENSION SEIZED, NO MOVEMENT AT ALL (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Fuel pipe leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| All position lamps not working all lights not tested (4.2.1 (a)) | 1 |