| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 27 |
| Headlamp aim out of alignment | 20 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 7 |
| Stop lamp remains on when the brakes are released | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Registration plate issues | 5 |
| Front Position lamp not working (4.2.1 (a)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 3 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Nearside Rear Stop lamp not working n/s brake lever (4.3.1 (a) (ii)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel was hitting muff connecting piece (1.1.2 (a)) | 1 |
| Rear Shock absorber has negligible damping effect rear shock asborbers have no damping whatso ever DANGEROUS (5.3.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Nearside Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Front Position lamp not working Both (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp not working both controls (4.3.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working rear control (4.3.1 (a) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no beam pattern (4.1.2 (a)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen head light bulb loose in holder (4.1.2 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn engine mounting rubbers coroded and worn (5.3.4 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Nearside Rear Lower Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear side infill pannel loose and missing fixing (6.1.1 (b) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Offside Front Upper Motorcycle structure is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Central Front Inner Motorcycle structure is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator with a multiple light source more than 1/2 not functioning lamp replaced (4.4.1 (a) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |