| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 9 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Front Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust system insecure Clamp missing |6.1.2 |a|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Steering headbearing has excessive wear or free play headbearings |2.2.2 |f| |i|| | 1 |
| Rear Wheel bearing has excessive play Cannot tell if it is a worn bearing or insecure/worn wheel. Wheel has a lot of play |5.1.3 |a| |i|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Direction indicator not working both (4.4.1 (a) (ii)) | 1 |
| Nearside Front Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Steering linkage component insecure (2.1.3 (a) (i)) | 1 |
| Stop lamp not working rear brake switch non functional (4.3.1 (a) (ii)) | 1 |
| Offside Front Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working control one (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Registration plate lamp issues | 1 |
| Offside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Nearside Front Lower 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 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy Notch in centre position (2.2.2 (f) (i)) | 1 |
| Offside Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticks on application (6.2.7 (a) (i)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working with front brake control (4.3.1 (a) (ii)) | 1 |
| Front Headlamp has more than 1/2 LEDs not functioning (4.1.1 (a) (ii)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp both rear indicators flash together whichever side is selected (4.4.3 (b)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake hose damaged | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Steering damper ineffective fork legs leaking (2.1.4 (d) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Wheel bearing has excessive play play in wheel bearing ? (5.1.3 (a) (i)) | 1 |