| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 48 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 26 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Registration plate issues | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Steering headbearing has excessive free play |2.2.2| | 10 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 9 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 9 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 8 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 8 |
| Stop lamp remains on when the brakes are released | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 7 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 7 |
| Horn not working |1.7.3a| | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Registration plate lamp issues | 5 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Rear Position lamp not working |4.2.1 |a|| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Direction indicators not working |1.5.1c| | 4 |
| Riders seat insecure |6.2.1a| | 4 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Offside Front Steering linkage locking device ineffective (2.1.3 (d)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Indicator switch defective |1.5.4| | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Steering lock stop maladjusted |2.1.3| | 2 |
| Forks excessively deformed |2.2.2 |d| |i|| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| 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)) | 2 |
| Headlamp aim not tested |1.6| | 2 |
| 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|| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| All position lamps light intensity significantly reduced lights indicators horn and stop lamps not working correctly |4.2.3 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition unable to test (8.1.1 (a)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Rear 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 |
| Offside Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Offside Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has insufficient reserve travel excessive (1.1.2 (a)) | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Central Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Rear Stop lamp switch with a delay in operation stays on when released (4.3.2 (a) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 1 |
| Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Horn control not functioning. |1.7.2b| | 1 |
| Nearside Rear Brake lever insecure Left handlebar lever and left mirror assembly very loose and could effect rear braking |3.1.2a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Brake hose excessively twisted insecure |1.1.12 |b| |ii|| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Forks excessively deformed forks bent back |2.2.2 |d| |i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Centre Front Steering headbearing has excessive free play STEERING BEARINGS ARE KNOTCHY |2.2.2| | 1 |
| Stop lamp not working Front control (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Steering linkage locking device missing left hand side |2.1.3 |d|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| All direction indicators not working All indicators effected my other lamps |4.4.1 |a| |ii|| | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Nearside Indicator switch defective |1.5.4| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure rear mudguard insecure |6.1.1 |b| |i|| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected headrace bearings very notchy |2.2.2 |f| |ii|| | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Steering operation impeded by a leg shield (2.1.4 (e)) | 1 |
| Rear Brake cable damaged rear cable broken (1.1.15 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Forks excessively deformed (2.2.2 (d) (i)) | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected too high (6.2.7 (a) (ii)) | 1 |
| Fuel cap missing seal missing (6.1.3 (b) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Central Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel leaver comes back to the bar (1.1.2 (a)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Exhaust has a major leak of exhaust gases holed and blowing |6.1.2 |a|| | 1 |
| Offside Front Direction indicator light intensity significantly reduced |4.4.3 |a|| | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Nearside Front Steering linkage locking device ineffective no r/h lock stop (2.1.3 (d)) | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system Bolt Missing |7.1.1.c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Nearside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Steering headbearing has excessive wear or free play free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Rear Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Front Direction indicators not working and rear |1.5.1c| | 1 |
| Offside Front Direction indicators not working and rear |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies control |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies control |1.3.1a| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure missing |2.4.A.2b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working front control |4.3.1 |a| |ii|| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Central Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Holed |8.1.1 |a|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam intermittant . Bad connection |4.1.3 |b|| | 1 |
| Rear reflector on motorcycle deteriorated and function impaired |1.4.2a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Brake lever mounting insecure |3.1.2a| | 1 |
| Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Steering headbearing excessively stiff or notchy NOTCHED BADLY |2.2.2 |f| |i|| | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Offside Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Front Front position lamp does not illuminate immediately when switched on main beam |1.1.3a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Rear Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Headlamp aim not tested no dipp beam (4.1.2 (b)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp all |1.5.1c| | 1 |
| Front Brake lever excessively damaged |3.2.A1c| | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Lower Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Indicator switch defective switch not easily to use had to turn on or off |1.5.4| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Fuel pipe union leaking |7.2.1a| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Lower Direction indicator incorrect colour bulbs (4.4.3 (a)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear reflector likely to become detached (4.8.1 (b) (ii)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp not working on front brake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected tightened and added split pin and collar. (5.2.1 (c) (ii)) | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Brake lever insecure |3.1.2a| | 1 |