| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 50 |
| Headlamp aim out of alignment | 38 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 25 |
| Riders seat insecure |6.2.1a| | 24 |
| Horn not working |1.7.3a| | 23 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 21 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 20 |
| Steering headbearing has excessive free play |2.2.2| | 16 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Headlamp aim not tested |1.6| | 11 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 11 |
| Registration plate issues | 9 |
| Fuel cap sealing washer missing |7.2.2c| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Throttle operating incorrectly |6.2.1f| | 7 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 5 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 5 |
| Front suspension has inadequate damping effect. |2.3.6c| | 5 |
| Exhaust excessively deteriorated |7.1.1a| | 5 |
| Front Direction indicator not working |1.5.1c| | 5 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 3 |
| Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Horn is not a constant note |1.7.3c| | 3 |
| Rear Direction indicator not working |1.5.1c| | 3 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 3 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Brake lever insecure |3.1.2a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Nearside Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Brake lever mounting insecure |3.1.2a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Rear Lower Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Lower Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator missing N/S Front Indicator Lens Missing |Showing White Light| |1.5.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Lower Motorcycle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Centre Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Engine mounting/bracket bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front mudguard can easily contact the wheel |2.3.7| | 1 |
| Front mudguard can easily contact any fixed point of the motor bicycle. |2.3.7| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Fuel cap ineffective sealing washer (6.1.3 (b) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Front suspension assembly component cracked |2.3.1| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Front Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| An item not tested |Manual| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 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 Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Rear suspension bush has excessive free play Engine mount bushes |2.4.A2a|i|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Central Rear Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Centre Front All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Centre Rear All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Offside Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Lower Brake pipe union leaking fluid |3.2.B4| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| All position lamps not working ON LOW BEAM |4.2.1 |a|| | 1 |
| Steering operation restricted in free movement from lock to lock NOTCHY |2.1.4 |c|| | 1 |
| Rear Brake lever has restricted free movement |1.1.15 |e|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake lever cracked |3.1.2c| | 1 |
| Brake lever mounting cracked |3.1.2c| | 1 |
| Centre Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Riders seat insecure Unable to secure. |6.2.1a| | 1 |
| Stop lamp remains on when the brake is released rear brake |1.3.1e| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |