| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 10 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Horn not working |1.7.3a| | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Headlamp aim not tested |1.6| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Registration plate issues | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Front shock absorber seal failed and leaking oil leaking onto the brake caliper |2.3.3| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. GLUED DURING TEST |2.1.1c| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust has a major leak of exhaust gases Fracture at muffler |6.1.2 |a|| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Offside Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 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 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |