| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Horn not working |1.7.3a| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Fuel system component leaking |7.2.1a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Brake hose excessively kinked |3.2.B3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear suspension bearing has excessive free play swing arm |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Rear Direction indicator not working (1.5.1c) | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp (1.5.1c) | 1 |
| Rear wheel spindle securing nut locking device missing (2.4.A.2b) | 1 |
| Fuel system component leaking (7.2.1a) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Rear Suspension component attachment bracket/mounting likely to fail bolt fouling swinging arm |5.3.3 |b| |ii|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |