| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Rear reflector missing (4.8.2 (a) (ii)) | 20 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 17 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 15 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Registration plate issues | 13 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 13 |
| Registration plate lamp issues | 12 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 11 |
| Rear reflector missing |4.8.2 |a| |ii|| | 11 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 10 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 9 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 9 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Stop lamp remains on when the brakes are released | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Steering headbearing has excessive free play |2.2.2| | 6 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Riders seat insecure (6.2.5 (a) (ii)) | 6 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 5 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 4 |
| Horn not working (7.7 (a)) | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 3 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 3 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 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 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Front Brake pipe leaking (1.1.11 (b)) | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Riders seat insecure |6.2.5 |a| |ii|| | 2 |
| Brake hose damaged | 1 |
| Front Valve stem seriously damaged split (5.2.3 (j)) | 1 |
| Stop lamp not working front brake operation (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working BULB (4.2.1 (a)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear swingarm bracket (6.1.1 (b) (ii)) | 1 |
| Horn not working horn not working (7.7 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Brake master cylinder leaking Sight window leaking |1.1.10 |b| |ii|| | 1 |
| Rear Brake lever pivot has excessive free play |1.1.1 |b|| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride NO "LOCK OUT" FITTED TO SIDE STAND ENABLING THE MACHINE TO BE RIDDEN WITH THE SIDE STAND DOWN |6.2.1h| | 1 |
| Front Brake fluid reservoir severely damaged |3.2.B1b| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected Excessive play (2.2.2 (f) (ii)) | 1 |
| Nearside Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp reflector seriously defective no image (4.1.1 (b) (ii)) | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Suspension component mounting modified so the suspension is inoperative front suspension siezed (5.3.3 (c) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking (wont idle properly) (6.2.7 (a) (ii)) | 1 |
| Rear Brake lever insecure pivot bolt loose no. locknut (1.1.2 (e) (i)) | 1 |
| Rear Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Front Brake fluid reservoir fluid not visible glass cracked and leaking,master cylinder and reservoir externally corroded (1.1.10 (d) (iii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Exhaust silencer insecure bolt missing |8.1.1 |b| |i|| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment leaver excessive travel |1.1.15 |f|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no beam pattern |4.1.2 |a|| | 1 |
| Front Brake fluid reservoir fluid not visible has been repaired and is cloudy (1.1.10 (d) (iii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp not working on main beam High beam not working (4.1.1 (a) (ii)) | 1 |
| Headlamp lens seriously defective reflector degraded (4.1.1 (b) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Suspension component modified so the suspension is inoperative |5.3.3 |c| |ii|| | 1 |
| Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Offside Rear Exhaust silencer insecure Missing (8.1.1 (b) (i)) | 1 |
| Offside Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Rear Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp aim unable to be tested Not working (4.1.2 (b)) | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Roller brake test brake efficiency less than 27.5% overall |1.2.2 |a| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Steering linkage component insecure (2.1.3 (a) (i)) | 1 |
| Front Brake caliper insecure caliper damping rubber missing causing caliper to move across brake disc when brake is applied |1.1.16 |c| |i|| | 1 |
| Stop lamp not working rear brake light switch not working |4.3.1 |a| |ii|| | 1 |
| Valve stem seriously damaged both (5.2.3 (j)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector missing hidden behind plate (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam also reflector deteriorated (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested due to dip beam not working (4.1.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Central Rear Stop lamp does not illuminate by the operation of both brake controls Front brake not operating light (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake component insecure torque bracket loose (1.1.21 (c)) | 1 |
| Central Front Horn control not functioning. |1.7.2b| | 1 |
| Central Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Rear Engine mounting/bracket bracket excessively loose Side Support Arm to exhaust and engine mount bolt insecure. |6.1.8 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Brake lever cannot be applied smoothly lever was very stiff ad brake cold not be supplied smoothly. have greased pivot. |3.1.3d| | 1 |
| Brake lever cannot be applied smoothly front and rear |3.1.3d| | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on main beam bulb replaced |1.2.2a|ii|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Front Steering headbearing in such a condition that steering control is adversely affected bearings appear not no be seated correctly affecting lock stops (2.2.2 (f) (ii)) | 1 |
| Nearside Front Brake reaction bracket excessively worn (1.1.15 (b)) | 1 |
| Nearside Front Brake component insecure reaction arm bolt loose (1.1.21 (c)) | 1 |
| Offside Front Upper Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Central Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Central Rear Fuel cap ineffective |6.1.3 |b| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake lever has inadequate reserve travel rear brake lever touching handlebar when fully applied |3.1.3b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Headlamp aim not tested incorrect bulb fitted |1.6| | 1 |
| Front Brake reaction bracket excessively worn (1.1.15 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Stop lamp does not illuminate by the operation of both brake controls switch cleaned, but replace when possible as worn (4.3.2 (a) (iii)) | 1 |
| Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Brake component modification unsafe rear brake adjuster (1.1.21 (d) (i)) | 1 |
| Throttle operating incorrectly revs up on full lock (6.2.7 (a) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Rear Pillion seat with a defective supporting structure seat back brace |6.2.6 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake cylinder has no reserve travel and braking performance affected |1.1.16 |e| |ii|| | 1 |
| Central Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Central Rear Lower Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Central Front Upper Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake fluid reservoir severely corroded |3.2.B1b| | 1 |
| Front Brake caliper|s| insecure play in caliper mount|bolt loose| |3.2.A1j| | 1 |
| All direction indicators not working not flashing (4.4.1 (a) (ii)) | 1 |
| Front Wheel fixing loose (single fixing) Spindle loose (5.2.1 (a) (ii)) | 1 |
| Nearside Front Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Shock absorber has negligible damping effect seized solid (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect seized solid (5.3.2 (b)) | 1 |
| Nearside Front Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp aim not tested no beam pattern |1.6| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Brake hose leaking (1.1.12 (c)) | 1 |
| Front Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Brake lever insecure Locking device missing on brake lever (1.1.2 (e) (i)) | 1 |
| Nearside Front Upper Indicator switch inoperative Works on offside/faulty when pushed to operate nearside indicators (4.4.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Brake caliper has no reserve travel and braking performance affected caliper siezed, strip and rebuild |1.1.16 |e| |ii|| | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Front Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Throttle operating incorrectly over revving |6.2.1f| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| All direction indicators not working all |4.4.1 |a| |ii|| | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Nearside Rear Brake lever has insufficient reserve travel rear brake lever has to much travel (1.1.2 (a)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake lever insecure pivot bolt insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Front Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Housing insecure |6.2.7 |a| |ii|| | 1 |
| Suspension component pin or bush excessively worn Engine mounting insecure |5.3.4 |a| |i|| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 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 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim not tested due to pattern obviously incorrect (4.1.2 (b)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake component insecure |1.1.21 |c|| | 1 |
| Brake component insecure rear brake lever pivot bolt nut missing (1.1.21 (c)) | 1 |
| Headlamp light intensity severely reduced hd bulb fitted (4.1.4 (a)) | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake fluid reservoir fluid not visible window smashed (1.1.10 (d) (iii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Brake excessively binding |1.2.1 |f|| | 1 |
| Direction indicator not working n/s front and rear (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel rear brake (1.1.2 (a)) | 1 |
| Exhaust system insecure silencer (6.1.2 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |