| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 64 |
| Headlamp aim out of alignment | 55 |
| Front Brake excessively binding (1.2.1 (f)) | 41 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Stop lamp remains on when the brakes are released | 14 |
| Rear Brake excessively binding (1.2.1 (f)) | 11 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Headlamp insecure (4.1.1 (c)) | 8 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Registration plate issues | 6 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Rear Brake grabbing severely (1.2.1 (c)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Roller brake test indicates a sticking brake Rear |3.3.A1a| | 1 |
| Roller brake test indicates a binding brake Front |3.3.A1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Front Brake component modification adversely affecting braking performance |1.1.21 |d| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Central Rear Stop lamp not working NOT WORKING FROM FRONT BRAKE SWITCH |4.3.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake |1.1.2 |a|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp not working control |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber likely to become detached fork bolts loose |5.3.2 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Central Front Forks excessively deformed needs new forks bent and no dapping |2.2.2 |d| |i|| | 1 |
| Front Brake master cylinder defective but brake still operating |1.1.10 |b| |i|| | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Brake lagging in operation adjust rear brake |1.2.1 |d|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Headlamp insecure bolt missing. |4.1.1 |c|| | 1 |
| Fork yoke in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Nearside Forks in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Offside Forks in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Headlamp light source and lamp not compatible headlight bulb installed incorrectly & bulb damaged (4.1.4 (c)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel back brake lever. (1.1.2 (a)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Plate brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Exhaust silencer likely to become detached rear bracket rotted through (8.1.1 (b) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Direction indicator not working N/S indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel control 2 (1.1.2 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working control 2 (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected idle to fast (6.2.7 (a) (ii)) | 1 |
| Front Brake component modification unsafe (1.1.21 (d) (i)) | 1 |
| Brake component modification unsafe rear brake connector modified and unsuitable (1.1.21 (d) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort lubed fnt brake master cylinder now ok (1.2.1 (e)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii)) | 1 |
| Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Exhaust silencer likely to become detached cover (8.1.1 (b) (ii)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (Bulb Replaced) (4.1.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking (6.2.7 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure INNER LEG SHEILD (6.1.1 (b) (i)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel (Rear Brake) (1.1.2 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (Brake Adjusted) (1.2.1 (a) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Front Position lamp not working BOTH (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure centre stand loose could possibly touch ground (6.1.1 (b) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Shock absorber has a serious fluid leak both front (5.3.2 (b)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface covered by L plate (4.8.1 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (Cable Adjusted) (1.2.1 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel more than one fixing loose wheels lose (5.2.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Valve stem seriously damaged perished (5.2.3 (j)) | 1 |