| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Registration plate issues | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| 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)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 2 |
| Rear Brake caliper excessively corroded and likely to crack |1.1.16 |d| |ii|| | 1 |
| Nearside Front Motorcycle structure is deformed and structural rigidity is significantly reduced |6.1.1 |a| |i|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Exhaust has a major leak of exhaust gases silencer gasket (6.1.2 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel failed to apply enough braking force to stop safely (1.2.1 (a) (i)) | 1 |
| Rear Stop lamp not working front brake control not operating brake light (4.3.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Nearside Front Steering headbearing excessively stiff or notchy stiff and notchy (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly throttle very stiff and sticks open. (6.2.7 (a) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Suspension component pin or bush excessively worn engine to frame forming part of suspension (5.3.4 (a) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Front Motorcycle structure is deformed and structural rigidity is significantly reduced (6.1.1 (a) (i)) | 1 |
| Central Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Central Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Brake hose damaged | 1 |
| Rear Brake disc insecure mounting bolts probably worn aswell (1.1.14 (a) (ii)) | 1 |
| Rear Brake caliper inadequately mounted sliding pins and bushes badly worn, also pad mounting pins worn (1.1.16 (c) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Offside Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Offside Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front Shock absorber likely to become detached (5.3.2 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Front Inner Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Fork yoke excessively deformed (2.2.2 (d) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control (4.3.2 (a) (iii)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls FRONT BRAKE SWITCH INOPERATIVE (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Wheel bearing play so excessive it is likely to break up may be hub mount problem? (5.1.3 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect Both sides (5.3.2 (b)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear All position lamps 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 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Obligatory mirror missing (3.3 (a)) | 1 |
| Steering linkage insecure to the extent there is excessive movement at the mountings Steering handle excessive play (2.1.3 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak There are four shock absorber on the front and they are all leaking (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy Right and left (2.2.2 (f) (i)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak rear fork (5.3.2 (b)) | 1 |