| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 27 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 27 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 17 |
| Steering headbearing has excessive free play |2.2.2| | 16 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 9 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Fuel cap sealing washer torn |7.2.2c| | 5 |
| Registration plate issues | 5 |
| Front Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Front Brake caliper|s| insecure |3.2.A1j| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Registration plate lamp issues | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Fuel cap ineffective |6.1.3 |b| |i|| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 2 |
| Nearside Rear Upper Rear suspension bush has excessive free play SHOCK ABSORBER BUSH |2.4.A2a|i|| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on dip beam not working |1.1.3a| | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Inner Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Brake lever has insufficient reserve travel Control 1 |1.1.2 |a|| | 1 |
| Brake lever has insufficient reserve travel Control 2 |1.1.2 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Stop lamp not working Control 1 |Front Brake| |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies Rear brake lever |1.3.1a| | 1 |
| Rear Brake lever has insufficient reserve travel adjusted. (1.1.2 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play Excess play in head bearings (2.2.2 (f) (i)) | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Direction indicator not working front and rear |1.5.1c| | 1 |
| Offside Direction indicator not working front and rear
|1.5.1c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Direction indicator not working |1.5.1c| | 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 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Hydraulic brake control feels spongy and has excess travel |3.1.4a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing has excessive wear or free play Excessive free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected loose |6.2.7 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Brake pivot excessively worn |1.1.15 |b|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Nearside Front Upper Suspension arm ball joint excessively worn bush worn |5.3.4 |a| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Front Lower Steering operation impeded by a fairing Mud gaurd fouling firing on full right hand lock. |2.1.4 |e|| | 1 |
| Offside Front Steering operation linkage fouling when handlebars turned from lock to lock Right hand full lock engine rpm increases/fouling on throttle linkage/cable. |2.1.4 |a|| | 1 |
| Nearside Brake lever has insufficient reserve travel rear brake lever. |1.1.2 |a|| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake lever has inadequate reserve travel Cable is at the end of adjustment |3.1.3b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort no reserve travel |3.3.A1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Direction indicator incorrect colour |1.5.1b| | 1 |
| Horn likely to be confused with an emergency vehicle siren |7.7 |c| |ii|| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Valve stem seriously damaged perished (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged perished (5.2.3 (j)) | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake lever has inadequate reserve travel rear control |3.1.3b| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Rear Rear wheel rotation likely to be impeded mud gaurd |6.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies both |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |