| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate issues | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride circlip missing from gear selector |6.2.1h| | 1 |
| Front suspension has excessive stiffness in the suspension movement. doesn`t move freely |2.3.6b| | 1 |
| Upper Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. shock absorber mount |2.4.A.2d| | 1 |
| Rear Motorcycle structure excessively corroded shock mount |6.1.1a| | 1 |
| Offside Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. swing arm |2.4.A.2d| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies not working off foot brake |1.3.1a| | 1 |
| Offside Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort rear foot brake no effort |3.3.A1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fuel system component insecure fuel feed pipe |7.2.1b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel more than one fixing missing |5.2.1 |a| |ii|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. BOTH SHOCK ABSORBERS FAILED |2.4.A.3b| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Rear Stop lamp missing |4.3.1 |a| |ii|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride brake arm |6.2.1h| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling toeing in |2.5.1| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Indicator switch does not operate the direction indicators on the side selected switch not working correctly |1.5.4| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies rear brake lever |1.3.1a| | 1 |
| Direction indicators flashing more than 120 times per minute all |1.5.1c| | 1 |
| Drive chain sprocket carrier worn to excess spacer missing behind circlip |6.2.1e| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear suspension bush has excessive free play swinging arm |2.4.A2a|i|| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded calliper bolt catching disk |3.2.A1h| | 1 |
| Central Rear Rear suspension bush has excessive free play adjusted |2.4.A2a|i|| | 1 |
| Offside Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Nearside Rear Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Offside Rear Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Suspension arm pin or bush likely to become detached Swingarm spindle loose |5.3.4 |a| |ii|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Suspension arm pin or bush excessively worn excessive play at rear suspension linkage bearings |5.3.4 |a| |i|| | 1 |
| Steering headbearing has excessive wear or free play rough |2.2.2 |f| |i|| | 1 |
| Central Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Central Rear Outer Wheel alignment incorrect which adversely affects the handling reset wheel alignment |2.4 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Brake master cylinder insecure |1.1.10 |c|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Fuel cap ineffective SEAL IS SPLIT |6.1.3 |b| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Rear Shock absorber has negligible damping effect SEIZED |5.3.2 |b|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp not working pedal (4.3.1 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock LOCK STOPS NOT WORKING (2.1.4 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Rear Wheel fixing missing (single fixing) rear spit pin missing (5.2.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Steering headbearing has excessive wear or free play ajusted (2.2.2 (f) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam headlamp inop (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam headlamp inop (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working Remade wiring connection (4.2.1 (a)) | 1 |
| Front Brake lever has insufficient reserve travel Cable adjusted Advised customer to have brake linings checked (1.1.2 (a)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (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 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Steering linkage component modified such that the steering is adversely affected (2.1.3 (f) (ii)) | 1 |
| Front Wheel spoke missing (5.2.2 (d)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |