| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 17 |
| Front Brake excessively binding (1.2.1 (f)) | 9 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 8 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 8 |
| Headlamp aim out of alignment | 7 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Registration plate issues | 2 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 2 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn Swinging arm bearing excessively worn. (5.3.4 (a) (i)) | 1 |
| Stop lamp not working Both brakes (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working front brake not working stop lamp (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn side play in swing arm (5.3.4 (a) (i)) | 1 |
| Drive chain sprocket worn to excess play in sprocket carrier (6.1.7 (c) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has negligible damping effect both forks (5.3.2 (b)) | 1 |
| Front Shock absorber has an excessively worn bush both forks (5.3.2 (c)) | 1 |
| Brake performance unable to be tested rear pad on metal (1.2.1 (g)) | 1 |
| Offside Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Control 1 (4.3.2 (a) (iii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected peda sticks down when applied (1.1.2 (b) (ii)) | 1 |
| Rear Brake excessively binding stays on when applied hard (1.2.1 (f)) | 1 |
| Rear Drive chain so loose it is likely to fail too loose (6.1.7 (c) (ii)) | 1 |
| Horn sound not in accordance with requirements horn incorrect (7.7 (c)) | 1 |
| Front Brake excessively binding front brake binding (1.2.1 (f)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake excessively binding rear binding (1.2.1 (f)) | 1 |
| Front Stop lamp not working front stop light not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Front brake control (4.3.1 (a) (ii)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls front stop lamp switch faulty (4.3.2 (a) (iii)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock Twisted towards N/S (2.1.4 (b)) | 1 |
| Rear Brake pedal has insufficient reserve travel Excessive travel (1.1.2 (a)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake lever insecure Master cylinder broken (1.1.2 (e) (i)) | 1 |
| Front Stop lamp not working Brake light not working by use of front brake lever. (4.3.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working Number plate light inoperative (4.2.1 (a)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure gear linkage was bent and jamming (6.1.1 (b) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn Trailing arm (5.3.4 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Suspension attachment bracket/mounting insecure rear swing arm has side to side play( swing arm bushes worn) (5.3.3 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Stop lamp not working 0n front brake (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working Brake (4.3.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Suspension component ball joint excessively worn Swing arm front bushes (5.3.4 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling ****** on rear wheel adjusters ********* (2.4 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted splitlink clip wrong way round (6.1.7 (j) (i)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake switch inoperative / not working correctly (4.3.2 (a) (iii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Suspension component has excessive wear or free play (5.3.3 (d)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced DRIVE CHAIN GUIDE NOT FASTENED OR SECURE (6.1.1 (b) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock L PLATE IS NOT SECURE AND COULD AFFECT MOVEMENT OF BARS (2.1.4 (c)) | 1 |