| Most common failures | No# failures |
|---|
| Registration plate issues | 16 |
| Headlamp aim out of alignment | 14 |
| Rear reflector on motorcycle missing |1.4.1| | 11 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| 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| | 3 |
| Horn not working |1.7.3a| | 3 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear reflector on motorcycle does not reflect squarely to the rear |1.4.1| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Front position lamp incorrect colour |1.1.2a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Stop lamp not working on front and rear appication (4.3.1 (a) (ii)) | 1 |
| Offside Motorcycle structure cracked |6.1.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Headlamp switch insecure |1.2.4| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear switch |1.3.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Brake disc significantly and obviously worn corroded (1.1.14 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear 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 Front Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Central Rear Upper Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Offside Front Upper Brake lever has restricted free movement front lever hitting hand guard and lever cut down (1.1.15 (e)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Fuel cap sealing washer missing |7.2.2c| | 1 |
| Offside Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition BAFFLE MISSING |8.1.1 |a|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Horn not working (1.7.3a) | 1 |
| Offside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Outer Front Upper Fuel cap sealing washer torn (7.2.2c) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen euro headlight |4.1.2 |a|| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |