| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Brake disc|s| cracked |3.2.A1g| | 4 |
| Nearside Front Footrest insecure |6.2.1a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| An item not tested |Manual| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Direction indicator light intensity significantly reduced |4.4.3 |a|| | 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 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking fuel tank |6.1.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Footrest missing both |6.2.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Rear suspension component cracked |2.4.A.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Brake component has an inadequate repair |3.1.5| | 1 |
| Nearside Rear Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Motorcycle structure adversely modified handle bar levers are blades and too sharp |6.1.1b| | 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 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear suspension component cracked |2.4.A.1a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear Stop lamp not working with front brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |