| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Headlamp aim out of alignment | 8 |
| Stop lamp remains on when the brakes are released | 7 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 7 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Registration plate lamp issues | 4 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Exhaust has a major leak of exhaust gases rear (6.1.2 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Fuel cap ineffective no seal fitted missing (6.1.3 (b) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering FRONT WHEEL MISALIGNED (2.4 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Loose |1.1.15 |f|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Stop lamp remains on when the brake is released front brake |1.3.1e| | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock notchy |2.1.4 |c|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment no reserve travel |1.1.15 |f|| | 1 |
| Steering linkage locking device ineffective R/H steering lock ineffective |2.1.3 |d|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock hits the belly pan when turned to the right on full lock |2.1.4 |b|| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement excessive play |6.1.8 |a| |i|| | 1 |
| Stop lamp not working Front brake. (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Central Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Shock absorber has a serious fluid leak both front forks (5.3.2 (b)) | 1 |
| Front Stop lamp not working brake switch replaced |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Fuel cap missing |6.1.3 |b| |i|| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front panel loose including headlight (6.1.1 (b) (i)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Suspension component pin or bush likely to become detached engine bushes |5.3.4 |a| |ii|| | 1 |
| Suspension component pin or bush excessively worn engine mounting |5.3.4 |a| |i|| | 1 |
| Brake performance not tested front pads are severely worn to metal plate |1.2.1 |g|| | 1 |
| Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Nearside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake lever (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Stop lamp not working Stop not working with rear brake lever (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel Rear brake lever (1.1.2 (a)) | 1 |
| Front Shock absorber has negligible damping effect Front forks (5.3.2 (b)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Steering headbearing excessively stiff or notchy excessively notchy (2.2.2 (f) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Tight bearings |2.2.2 |f| |ii|| | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp insecure front panel loose (4.1.1 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected |5.2.1 |c| |ii|| | 1 |
| Stop lamp not working Front brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Shock absorber has a serious fluid leak legt hanf fork oil seal (5.3.2 (b)) | 1 |
| Forks excessively corroded both forks (2.2.2 (d) (i)) | 1 |
| Nearside Front Brake lever insecure security nut missing (1.1.2 (e) (i)) | 1 |
| 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 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp not working front switch |4.3.1 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy turning to the left (2.2.2 (f) (i)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |