| Most common failures | No# failures |
|---|
| Headlamp aim beam image kick up to the offside |1.6| | 8 |
| Headlamp aim out of alignment | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Registration plate issues | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not illuminate immediately a brake applies Brake pedal switch poorly adjusted |1.3.1a| | 1 |
| Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Stop lamp not working Break (4.3.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear wheel rotation likely to be impeded CHAIN LINKS SEZIED |6.2.1b| | 1 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated Exhaust down pipes excessively corroded and leaking underside of engine area |7.1.1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Brake hose connection leaking fluid leaking from fork compensator valve when rear brake applied (1.1.12 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Offside Rear Brake component is fractured |3.1.5| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Drive chain fouling another component |6.2.1d| | 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 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls Front brake hose routed wrong stopping full steering movement |2.1.2b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |