| Most common failures | No# failures |
|---|
| Front Brake excessively binding (1.2.1 (f)) | 20 |
| Rear Brake excessively binding (1.2.1 (f)) | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Headlamp aim out of alignment | 7 |
| Registration plate lamp issues | 5 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear Brake excessively binding |1.2.1 |f|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Registration plate issues | 2 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Rear 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 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Stop lamp not working via rear brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Central Lower Exhaust has a major leak of exhaust gases repaired leak |6.1.2 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Rear Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected Nut loose |5.2.1 |c| |ii|| | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Rear Position lamp lens seriously defective (4.2.1 (b)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 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 |
| Front Shock absorber has a serious fluid leak FRONT FORK OIL SEALS LEAKING (5.3.2 (b)) | 1 |
| Rear brake binding | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock nearside mirror is hitting windshield before full lock is achieved (2.1.4 (c)) | 1 |
| Nearside Rear Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |