| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Registration plate lamp issues | 17 |
| Front Brake excessively binding (1.2.1 (f)) | 11 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 10 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Stop lamp remains on when the brakes are released | 9 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Registration plate issues | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Stop lamp not working Rear brake lever switch (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Brake excessively binding Front (1.2.1 (f)) | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp switch with a delay in operation rear brake switch, location handle bar/brake lever (4.3.2 (a) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake hose damaged | 1 |
| Front Wheel bearing rough when rotated and slight play (5.1.3 (b) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp not working when front brake is applied (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play Free play (2.2.2 (f) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Stop lamp not working Control 2 (rear) (4.3.1 (a) (ii)) | 1 |
| Central Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Sticking (6.2.7 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition exhaust rusted through (8.1.1 (a)) | 1 |
| Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Handlebar retaining device loose steering movement in relation to front wheel (2.2.1 (b) (i)) | 1 |
| Handlebar so insecure it is likely to become detached handlebar not securely fixed to fork stem (2.2.1 (b) (ii)) | 1 |
| Headlamp not working on dipped beam Fit new bulb (4.1.1 (a) (ii)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Brake cable has restricted free movement sticking (1.1.15 (e)) | 1 |
| Nearside Rear Brake lever has restricted free movement rear brake arm sticking (1.1.15 (e)) | 1 |
| Nearside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Stop lamp emits other than a steady red light front brake (4.3.3 (a) (ii)) | 1 |
| Throttle operating incorrectly Sticking on lock (6.2.7 (a) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake lever is bent and the brake cannot be readily applied rear brake lever badly bent (1.1.2 (d)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Riders seat insecure not locking down (6.2.5 (a) (ii)) | 1 |
| Front Brake disc fractured cracked (1.1.14 (a) (ii)) | 1 |
| Throttle operating incorrectly not returning (6.2.7 (a) (i)) | 1 |
| Front Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake performance not tested Both brakes (1.2.1 (g)) | 1 |