| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Centre Rear Rear reflector on motorcycle obscured |1.4.1| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front All position lamps do not illuminate immediately when switched on (1.1.3a) | 1 |
| Rear All position lamps do not illuminate immediately when switched on (1.1.3a) | 1 |
| Front Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Nearside Rear Direction indicator insecure (1.5.3b) | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Headlamp aim not tested not working |4.1.2 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Wheel alignment incorrect which adversely affects the steering engine fitted wrong |2.5.1| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake performance not tested binding badly (1.2.1 (g)) | 1 |
| Rear Brake performance not tested rear brake comes back to handle bar (1.2.1 (g)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Front Riders seat insecure |6.2.1a| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has inadequate reserve travel due to maladjustment |3.1.3b| | 1 |
| Front Front wheel bearings have excessive free play cannot be checked due to front brake binding |2.3.5b| | 1 |
| Front Wheel has an excessively eccentric bead rim. cannot be checked due to front brake binding |4.2.2| | 1 |
| Front Brake disc|s| has excessive run out cannot be checked due to front brake binding |3.2.A1m| | 1 |
| Front Stop lamp not working Brake lever (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working Brake lever (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp insecure front panel |1.2.3b| | 1 |
| Registration plate issues | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |