| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Headlamp aim out of alignment | 10 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 10 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Stop lamp remains on when the brake is released |1.3.1e| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 5 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 3 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Brake disc|s| insecure |3.2.A1g| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Front Brake disc|s| insecure |3.2.A1g| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Registration plate issues | 2 |
| Brake hose excessively deteriorated | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Direction indicator obscured |1.5.1a| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Direction indicator obscured |1.5.1a| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Offside Front Brake disc significantly and obviously worn rivet missing |1.1.14 |a| |i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake component is severely distorted |3.1.5| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake pedal cracked |3.1.2c| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Lower Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Upper Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake disc contaminated L/H/F contaminated with fork oil |1.1.14 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Throttle operating incorrectly Stuck |6.2.1f| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Position lamp switch does not operate the front and rear position lamps |1.1.4c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Upper Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Front wheel has a loose wheel bolt|s| |4.2.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake hose which buldges |3.2.B4| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Offside Front suspension assembly component loose |2.3.1| | 1 |