| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Registration plate issues | 11 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Horn not working |1.7.3a| | 5 |
| Stop lamp remains on when the brakes are released | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Indicator switch defective |1.5.4| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Steering lock stop ineffective |2.1.3| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front mudguard insecure |2.3.7| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Offside Steering lock stop ineffective |2.1.3| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Brake cable damaged |1.1.15 |a|| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Steering headbearing has excessive free play Loud clunking |2.2.2| | 1 |
| Rear Steering linkage has excessive free play |2.2.2| | 1 |
| Central Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Brake cable has a significantly damaged outer casing. rubbed under bike |3.2.A1b| | 1 |
| Rear suspension bearing has excessive free play swingarm |2.4.A2a|i|| | 1 |
| Nearside Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies not working when front brake lever is operated |1.3.1a| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Direction indicator not working O/S/R indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working Front position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam Dipped beam not working (4.1.1 (a) (ii)) | 1 |
| Front Brake lever insecure Front brake lever insecure (1.1.2 (e) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Upper Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Rear Brake lever attachment screws missing |3.1.2b| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Suspension component pin or bush excessively worn swingarm |5.3.4 |a| |i|| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear suspension bush has excessive free play Engine |2.4.A2a|i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Throttle operating incorrectly housing loose |6.2.1f| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Shock absorber likely to become detached broken (5.3.2 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn rear suspension |5.3.4 |a| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear suspension bush has excessive free play Swingarm bushes |engine mounts| have free play |2.4.A2a|i|| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Brake lining(s) contaminated (1.1.13 (b)) | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Stop lamp not working Flashing when operating front or rear brake. (4.3.1 (a) (ii)) | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear suspension bush has excessive free play Engine mounting |2.4.A2a|i|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Central Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (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 |
| 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 |
| Nearside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Brake cable excessively worn (1.1.15 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Direction indicator deteriorated and function impaired All |1.5.3a| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear suspension bush has excessive free play All Swing arm bushes have movement |2.4.A2a|i|| | 1 |
| Offside Fuel pipe leaking Fuel pipe leaking fuel onto exhaust! |7.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear |1.3.1a| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies REPLACED BULB |1.3.1a| | 1 |
| All position lamps do not illuminate immediately when switched on REPLACED BULB |1.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. GLUED |2.1.1c| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Nearside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Brake performance not tested Due to serious oil leak from engine (1.2.1 (g)) | 1 |
| Front Brake disc insecure Two bolts missing & disc warped (1.1.14 (a) (ii)) | 1 |
| Front Brake excessively binding Disc warped (1.2.1 (f)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Will not shut off properly (6.2.7 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Bodywork insecure (6.1.1 (b) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 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 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Fuel pipe damaged |6.1.3 |c| |ii|| | 1 |
| Rear Brake lever has inadequate reserve travel control |3.1.3b| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake locking device missing lever pivet bolt |3.2.A1e| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Lower Suspension arm pin or bush excessively worn linkage |5.3.4 |a| |i|| | 1 |
| Rear Lower Suspension arm pin or bush likely to become detached |5.3.4 |a| |ii|| | 1 |
| Rear Lower Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Central Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Central Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Rear suspension bearing has excessive free play Engine/swingarm linkage has excessive side to side play |2.4.A2a|i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Suspension component attachment bracket/mounting likely to fail |5.3.3 |b| |ii|| | 1 |
| Rear Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Shock absorber has a serious fluid leak no damping (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Suspension component pin or bush excessively worn engine bushes (5.3.4 (a) (i)) | 1 |
| Rear suspension bush has excessive free play engine bushes |2.4.A2a|i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock reving up |2.1.4| | 1 |
| Offside Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Direction indicator incorrect colour white bulb fitted in error |1.5.1b| | 1 |