| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Registration plate lamp issues | 13 |
| Registration plate issues | 11 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 11 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 9 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 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 Shock absorber has negligible damping effect |5.3.2 |b|| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Suspension arm pin or bush excessively worn l/h engine mount(acts as swinging arm) split ,resulting in excessive play. (5.3.4 (a) (i)) | 2 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear suspension bush has excessive free play engine mounts |2.4.A2a|i|| | 1 |
| Rear suspension bearing has excessive free play engine mounts |2.4.A2a|i|| | 1 |
| Rear Suspension component ball joint excessively worn front engine/suspension mounting (5.3.4 (a) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Indicator switch inoperative WOULD BE DIFFICULT TO OPERATE CORRECTLY IN TRAFFIC CONDITION (4.4.2 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake cable damaged CABLE BROKEN (1.1.15 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock lock stop ineffective (2.1.4 (b)) | 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 |
| Rear Lower Suspension component pin or bush excessively worn engine mounts |5.3.4 |a| |i|| | 1 |
| Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bearing excessively deteriorated |2.4A.2a|i|| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Central Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Rear Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Floor brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure rear luggage box. (6.1.1 (b) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced covererd by luggage box. (4.2.3 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 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 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies front stop switch |1.3.1a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear suspension bearing has excessive free play engine mountings |2.4.A2a|i|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Doesnt work with either controls (4.3.2 (a) (iii)) | 1 |
| Rear Suspension arm ball joint excessively worn swinging arm bushes (5.3.4 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock left steering stop ineffective |2.1.4 |b|| | 1 |
| Steering headbearing has excessive wear or free play excessively loose |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Engine mounting/bracket 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 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort 30 kgf deflection |3.3.A1d| | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure mudguard and airbox (6.1.1 (b) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly Engine suddenly revs without any control being operated |6.2.1f| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking open (6.2.7 (a) (ii)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Bike pulls to left but dips right when front brake is applied. |2.5.1| | 1 |
| Steering movement excessively rough with the wheel raised Towards left side |2.2.1b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Suspension arm pin or bush excessively worn Swingarm / Engine mount |5.3.4 |a| |i|| | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Upper Direction indicator not working Front right indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Front shock absorber seal failed and leaking oil nsf shock leaking fork pitted |2.3.3| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear suspension component seized shock absorber |2.4A2a|ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear |1.3.1a| | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls fit a new brake switch (4.3.2 (a) (iii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak r/h fork seal leaking. (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Suspension component pin or bush excessively worn engine mounting bracket (5.3.4 (a) (i)) | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Shock absorber has a serious fluid leak fork seals |5.3.2 |b|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Fuel hose leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Wheel spindle locking device missing bolt missing (5.2.1 (d)) | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake light. |1.3.1a| | 1 |
| Offside Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Horn not working |7.7 |a| |ii|| | 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 |
| Rear Rear suspension bush excessively deteriorated swing arm |2.4.A2a|i|| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust has a major leak of exhaust gases leaking at manifold (6.1.2 (a)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Central Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Suspension component pin or bush excessively worn engine mounts |5.3.4 |a| |i|| | 1 |
| Rear Wheel fixing loose (single fixing) spindle (5.2.1 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn bushes (5.3.4 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the handling POSSIBLY BENT STEERING YOKE |2.5.1| | 1 |
| Central Lower Engine mounting/bracket damaged or deteriorated resulting in excessive movement bush worn (6.1.8 (a) (i)) | 1 |
| Wheel fixing missing |single fixing| split pin missing rear spindle |5.2.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Handlebar deformed to the extent that steering is affected handlebars out of alignment |2.2.1 |c| |ii|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |