| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Brake hose leaking fluid |3.2.B4| | 1 |
| Front Stop lamp switch with a delay in operation new switch fitted (4.3.2 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake hose excessively deteriorated | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Fuel system component leaking fuel tank tap (6.1.3 (b) (i)) | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Footrest missing rear pegs missing |6.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Footrest insecure |6.2.12 |a|| | 1 |
| Nearside Footrest missing |6.2.12 |a|| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Brake locking device missing |3.2.A1e| | 1 |