| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Horn not working (7.7 (a)) | 14 |
| Stop lamp remains on when the brakes are released | 13 |
| Rear Position lamp not working (4.2.1 (a)) | 11 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 10 |
| Registration plate issues | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 6 |
| Registration plate lamp issues | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Rear Brake grabbing severely (1.2.1 (c)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 3 |
| Rear Position lamp not working |4.2.1 |a|| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Direction indicator incorrect colour Both (4.4.3 (a)) | 2 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort disc deformed |1.2.1 |e|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Handlebar fractured to the extent that detachment is likely |2.2.1 |c| |ii|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Brake indicates excessive fluctuation of brake effort Rear disc buckled. |1.2.1 |e|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the handling DANGEROUS |2.4 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering DANGEROUS |2.4 |a|| | 1 |
| Front Brake grabbing severely PULLS TO RIGHT DUE TO MISALIGNMENT DANGEROUS |1.2.1 |c|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Horn not working wire insecure |bad connection| |7.7 |a| |ii|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Suspension component pin or bush excessively worn engine mounting bushes (5.3.4 (a) (i)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Shock absorber missing (5.3.2 (a) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Rear Brake caliper operating mechanism has excessive travel pins and float worn badly (1.1.16 (e) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Forks in such a condition that steering control is adversely affected front forks bent yoke deformed (2.2.2 (d) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Central Front Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Lower Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Shock absorber has a serious fluid leak Right fork leg (5.3.2 (b)) | 1 |
| Brake disc contaminated Front disc (1.1.14 (b)) | 1 |
| Shock absorber has a serious fluid leak Rear right shock (5.3.2 (b)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Wheel fractured (5.2.2 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort rear brake disc warped excessively (1.2.1 (e)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators incorrect colour Front & Rear (4.4.3 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Vehicle identification number has more than one different number displayed (0.2 (c)) | 1 |
| Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Shock absorber likely to become detached Nearside (5.3.2 (a) (ii)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Central Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Forks insecure (2.2.2 (d) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake grabbing severely brake lever pivot dry. (1.2.1 (c)) | 1 |
| Rear Brake grabbing severely brake lever pivot dry. (1.2.1 (c)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Central Rear All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Upper Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Offside Rear Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Valve stem seriously damaged RUBBER PERISHED (5.2.3 (j)) | 1 |
| Front Valve stem seriously damaged RUBBER PERISHED (5.2.3 (j)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play axle nut loose (5.1.3 (a) (i)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Shock absorber has negligible damping effect Front shocks are inoperative ( not working ) (5.3.2 (b)) | 1 |
| Front Brake caliper inadequately mounted Bolt missing (1.1.16 (c) (i)) | 1 |
| Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Central Rear Upper Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |