| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Front Brake excessively binding (1.2.1 (f)) | 14 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 8 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 8 |
| Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Rear Position lamp not working (4.2.1 (a)) | 7 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Registration plate lamp issues | 2 |
| Rear Brake disc contaminated (1.1.14 (b)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Registration plate issues | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock front bodywork (2.1.4 (a)) | 1 |
| Rear Shock absorber has negligible damping effect no damping in rear shock (5.3.2 (b)) | 1 |
| Handlebar retaining device loose handle bars loose, pinch bolt not tight. (2.2.1 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy head stock bearing notchy in centre. (2.2.2 (f) (i)) | 1 |
| Nearside Front Brake lever not releasing correctly and functionality of brakes affected brake when applied causing rear brake to bind. (1.1.2 (b) (ii)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Upper Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Shock absorber has a serious fluid leak Rear suspension has lost damping effect (5.3.2 (b)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Exhaust system insecure bolt missing (6.1.2 (a)) | 1 |
| Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Fork seal (5.3.2 (b)) | 1 |
| Front Inner Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Steering linkage locking device ineffective steering head insecure (2.1.3 (d)) | 1 |
| Brake disc fractured front disc cracked (1.1.14 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak left fork seals leaking heavily
right fork seal leaking heavily (5.3.2 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Direction indicator not working missing (4.4.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect no damping (5.3.2 (b)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake effort inadequate at a wheel rear brake adjusted (1.2.1 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced Front Panel (6.1.1 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Offside Front Throttle operating incorrectly switch cover insecure affecting throttle (6.2.7 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak Both (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle unit insecure (6.2.7 (a) (ii)) | 1 |
| Front Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |