| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 9 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Registration plate issues | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Horn not working |1.7.3a| | 4 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Direction indicators not working |1.5.1c| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering damper ineffective |2.1.2d| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 2 |
| Stop lamp flickers when tapped lightly by hand |1.3.1d| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear suspension component loose |2.4.A.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Brake hose leaking fluid |3.2.B4| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Rear Rear suspension component loose swingarm pinch bolt |2.4.A.1a| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock lock stop damaged |2.1.4 |b|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Exhaust has a major leak of exhaust gases CRACKED |6.1.2 |a|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure EXHAUST BRACKET SNAPPEND |6.1.1 |b| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Fuel cap leaking rubber broken |6.1.3 |b| |i|| | 1 |
| Brake lever so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Direction indicators not working left hand front indicator not working |1.5.1c| | 1 |
| Nearside Rear Lower Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Nearside Front Sidecar attachment insecure |5.1.1b| | 1 |
| Nearside Front Sidecar direction indicator not working |1.5.1c| | 1 |
| Sidecar suspension has an insecure unit. |5.2.3a| | 1 |
| Nearside Sidecar direction indicator not working |1.5.1c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Upper Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear suspension bearing has excessive free play swing arm |2.4.A2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Exhaust mounting missing |7.1.1c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Nearside Rear Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| All direction indicators not working all |4.4.1 |a| |ii|| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Nearside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both front fork seals (5.3.2 (b)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Shock absorber has a serious fluid leak side car shock absorber leaking. (5.3.2 (b)) | 1 |
| Rear Suspension component pin or bush likely to become detached (5.3.4 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Nearside Rear Direction indicator insecure (1.5.3b) | 1 |
| Front Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Rear Suspension component fractured hub carrier/upright (5.3.3 (b) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control (4.3.2 (a) (iii)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |