| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Front Brake excessively binding (1.2.1 (f)) | 15 |
| Rear Position lamp not working (4.2.1 (a)) | 14 |
| Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Stop lamp remains on when the brakes are released | 13 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Registration plate issues | 12 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Horn not working (7.7 (a)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Registration plate lamp issues | 7 |
| Rear reflector missing |4.8.2 |a| |ii|| | 7 |
| Horn not working |7.7 |a| |ii|| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 4 |
| Headlamp aim not tested |4.1.2 |b|| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear Position lamp not working |4.2.1 |a|| | 4 |
| Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Riders seat insecure |6.2.1a| | 3 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 3 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Exhaust system insecure |6.1.2 |a|| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| 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)) | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Position lamp lens seriously defective (4.2.1 (b)) | 2 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 2 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Fuel system component leaking 2 stroke bottle leaking (6.1.3 (b) (i)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition exhaust holed and excessively noisy |8.1.1 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Steering headbearing excessively stiff or notchy Very notchy making control difficult |2.2.2 |f| |i|| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Position lamp not working rear not working on dip beam (4.2.1 (a)) | 1 |
| Front Brake grabbing severely front lever not functioning correctly(sticky) (1.2.1 (c)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Position lamp not working low beam (4.2.1 (a)) | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Shock absorber has negligible damping effect no damping in rear shock (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort front disc is warped. (1.2.1 (e)) | 1 |
| Front Steering headbearing has excessive wear or free play needs adjustment or replacement. (2.2.2 (f) (i)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam bulb looks blown. (4.1.3 (b)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front position lamp does not illuminate immediately when switched on no light on front |1.1.3a| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Front Wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system rear mount bracket allows exhaust to move excessively |7.1.1.c| | 1 |
| Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear Position lamp light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brakes |1.1.2 |a|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Brake component insecure rear brake lever pivot bolt nut missing (1.1.21 (c)) | 1 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Front inner panel (6.1.1 (b) (i)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear 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 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Steering headbearing excessively stiff or notchy front wheel raised (2.2.2 (f) (i)) | 1 |
| Outer Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Nearside Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Offside Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Central Front Upper Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Central Rear Upper Stop lamp not working Front&Rear |4.3.1 |a| |ii|| | 1 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp missing |4.1.1 |a| |ii|| | 1 |
| Position lamp missing |4.2.1 |a|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Central Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Central Rear All position lamps light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering front forks bent wheel alignment well out |6.1.1 |a| |ii|| | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Direction indicator incorrect colour both front (4.4.3 (a)) | 1 |
| Direction indicator incorrect colour both rear (4.4.3 (a)) | 1 |
| Steering headbearing excessively stiff or notchy Steering bearings notchy (2.2.2 (f) (i)) | 1 |
| Front Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Brake lever has insufficient reserve travel both touch handle bar |1.1.2 |a|| | 1 |
| Front Stop lamp not working not working with front brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working not working with rear brake (4.3.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake lever excessively worn bent (1.1.15 (b)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Stop lamp not working brake lever (4.3.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play Excessive free play (2.2.2 (f) (i)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Fuel pipe insecure clip missing (6.1.3 (a) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Exhaust system insecure insecure and bolt missing (6.1.2 (a)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock offside steering lock stop not working (2.1.4 (b)) | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Stop lamp not working both |4.3.1 |a| |ii|| | 1 |
| Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced frt fairing loose |6.1.1 |b| |ii|| | 1 |
| Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Stop lamp not working when applying front brake |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy Bearings are shot need replacing (2.2.2 (f) (i)) | 1 |
| Stop lamp not working from front lever |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working from rear lever |4.3.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Front Brake lever pivot excessively worn rear brake lever |1.1.1 |b|| | 1 |
| Offside Front Brake lever pivot has excessive free play front brake lever |1.1.1 |b|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Headlamp aim not tested dipped beam not working (4.1.2 (b)) | 1 |
| Stop lamp not working only work when revved very hard (4.3.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements only when revved hard dose not work unless (7.7 (c)) | 1 |
| Steering operation impeded by a fairing All out of place rubbing on each other (2.1.4 (e)) | 1 |
| Exhaust has a major leak of exhaust gases blowing at head (6.1.2 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Riders seat insecure seat hinge completely detached (6.2.5 (a) (ii)) | 1 |
| Rear reflector missing Missing (4.8.2 (a) (ii)) | 1 |
| Rear Suspension component modified so the suspension is inoperative Rear shock inadequate damping (5.3.3 (c) (ii)) | 1 |
| Front Steering linkage locking device ineffective |2.1.3 |d|| | 1 |
| All position lamps light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Handlebar deformed to the extent that steering is affected bent |2.2.1 |c| |ii|| | 1 |
| Front Indicator switch defective |1.5.4| | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding |1.2.1 |f|| | 1 |
| Central Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Handlebar excessively deformed handle bars not inline with front wheel and bent down 1 side (2.2.1 (c) (i)) | 1 |
| Offside Front Steering linkage locking device ineffective no lock stop (2.1.3 (d)) | 1 |
| Rear Position lamp showing white light to the rear plus rear light unit broken (4.2.3 (a) (ii)) | 1 |
| Headlamp not working on dipped beam Intermittent (4.1.1 (a) (ii)) | 1 |