| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Offside Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Upper Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Headlamp light intensity severely reduced High beam |4.1.4 |a|| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Centre Front position lamp incorrect colour |1.1.2a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Central Front Steering headbearing has excessive wear or free play Steering head bearings so loose as to allow play |2.2.2 |f| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Registration plate issues | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Central Lower Fuel system component leaking excessively or a risk of fire Occasional fuel leak from carburetor area, enough to leave a small puddle |6.1.3 |b| |ii|| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |