| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Stop lamp remains on when the brakes are released | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Registration plate issues | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Position lamp not working High & low beam. |4.2.1 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Central Rear Position lamp not working |4.2.1 |a|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Riders seat missing |6.2.5 |a| |ii|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Brake excessively binding front brake (1.2.1 (f)) | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Headlamp not working on main beam Goes off when revving the bike up (4.1.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases HOLE IN THE SILENCER (6.1.2 (a)) | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment brake lever broken at pivot point lever insecure (1.1.15 (f)) | 1 |
| Rear Motorcycle structure is deformed and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases ROTTEN AND HAS A HOLE IN THE SILENCER (6.1.2 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock steering is catching on cables or wiring under the front panel on right hand lock (2.1.4 (c)) | 1 |
| Offside Front Position lamp not working right hand sidelight bulb is not working (4.2.1 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak L/H (5.3.2 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Central Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working rom rear brake (4.3.1 (a) (ii)) | 1 |
| Central Front Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Brake lever is so short that the brake cannot be readily applied sharp edge exposed |1.1.2 |d|| | 1 |
| Central Lower Exhaust has a major leak of exhaust gases down/header pipe (6.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Upper Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Riders seat insecure lock down latch broke,(prs strapped seat down) (6.2.5 (a) (ii)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Inner Exhaust silencer insecure exhaust bracket broken held with wire (8.1.1 (b) (i)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Position lamp not working (4.2.1 (a)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |