| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Registration plate lamp issues | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Registration plate issues | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Brake hose excessively deteriorated | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Central Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected headstock bearing loose |2.2.2 |f| |ii|| | 1 |
| Rear Exhaust silencer likely to become detached |8.1.1 |b| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Fuel cap ineffective unable to open |6.1.3 |b| |i|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected |4.4.1 |b| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy centre notch |2.2.2 |f| |i|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Position lamp switch does not operate in accordance with the requirements |4.2.2 |a|| | 1 |
| Fuel hose so insecure there is a risk of fire Fuel pipe fitting to carburettor |6.1.3 |a| |ii|| | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Handlebar grip insecure to handlebar throttle housing (2.2.1 (d) (ii)) | 1 |
| Fuel cap leaking sealing rubber perished and weeping (6.1.3 (b) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen beam kick up to offside (4.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases Exhaust pipe corroded, noisy and leaking. (6.1.2 (a)) | 1 |
| Steering operation impeded by a fairing Headlight fairing insecure! (2.1.4 (e)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Forks insecure (2.2.2 (d) (i)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn linkage (5.3.4 (a) (i)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced sharp edges (6.1.1 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock cables trapped (2.1.4 (c)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Front Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working brake (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working front brake not working stop light (4.3.1 (a) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber insecurely attached both fork top pinch bolts missing (5.3.2 (a) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Throttle operating incorrectly Not returning (6.2.7 (a) (i)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Front All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front panel (6.1.1 (b) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Central Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel Rear brake lever (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak Nearside and Offside (5.3.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working ALL. (4.4.1 (a) (ii)) | 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 |