| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Headlamp aim out of alignment | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 4 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 3 |
| Registration plate issues | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| An item not tested |Manual| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front brake light switch not working (4.3.2 (a) (iii)) | 1 |
| Front mudguard can easily contact any fixed point of the motor bicycle. |2.3.7| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Seat insecure |6.2.1a| | 1 |
| Steering lock stop ineffective |2.1.3| | 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 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Nearside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Centre Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Outer Rear Lower Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Lower Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |