| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear wheel spindle loose |2.4.A.2b| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| An item not tested |Manual| | 1 |
| Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Offside Front Handlebar deformed |2.1.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Drive chain worn to excess |6.2.1e| | 1 |
| Front Fairings insecure and likely to impede the steering mudguard insecure |2.1.2e| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front An item not tested |Manual| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Inner Front Upper Front position lamp incorrect colour |1.1.2a| | 1 |
| Centre Rear Lower Drive chain excessively tight |6.2.1d| | 1 |
| Centre Rear Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Direction indicator obscured |1.5.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Registration plate lamp issues | 1 |
| Front Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Offside Front Brake hose leaking (1.1.12 (c)) | 1 |