| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 18 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 11 |
| Horn not working |1.7.3a| | 10 |
| Steering headbearing has excessive free play |2.2.2| | 10 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 9 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 9 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 7 |
| Riders seat insecure |6.2.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 4 |
| Registration plate issues | 4 |
| Registration plate lamp issues | 4 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 4 |
| Rear wheel insecure |4.2.3b| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Brake lever insecure |3.1.2a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 2 |
| Front Front mudguard insecure |2.3.7| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Upper Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Front wheel bearings are excessively rough Front wheel bearings excessively worn |2.3.5b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on Front position lamp not working |1.1.3a| | 1 |
| Rear Brake lever attachment screws loose brake lever pivot bolt loose |3.1.2b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front Upper Brake lever has inadequate reserve travel No reserve travel on rear brake |3.1.3b| | 1 |
| Central Front Upper Steering headbearing has excessive free play Steering has knock / play in headstock |2.2.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake control |1.3.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake pivot has restricted free movement |1.1.15 |e|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Central Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension assembly component excessively corroded. fork legs |2.3.1| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Brake lever insecure |3.1.2a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies from rear brake leaver |1.3.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Offside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear brake lever-no brake light function |1.3.1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded rear brake shoe wear indicator past limit.
|3.2.A1h| | 1 |
| Offside Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Central Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Offside Front Fairings insecure and likely to impede the steering cracked sharp edges |2.1.2e| | 1 |
| Central Front Fairings insecure and likely to impede the steering mudguard missing |2.1.2e| | 1 |
| Nearside Front Brake lever mounting insecure |3.1.2a| | 1 |
| Central Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride battery inscure |6.2.1h| | 1 |
| Central Rear Rear position lamp insecure |1.1.1c| | 1 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear wheel rotation likely to be impeded Hugger Insecure |6.2.1b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear Brake lever attachment screws missing |3.1.2b| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Brake hose damaged | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Rear Brake locking device missing brake lever pivot |3.2.A1e| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Brake lever is inoperative |3.1.3c| | 1 |
| Offside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Upper Rear suspension bush has excessive free play shock |2.4.A2a|i|| | 1 |
| Offside Upper Rear suspension bush has excessive free play shock |2.4.A2a|i|| | 1 |
| Direction indicator not working all |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear levers |1.3.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies when front brake is applied |1.3.1a| | 1 |
| Nearside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. fork stantion pitted and corroded |2.3.1| | 1 |
| Offside Front suspension assembly component excessively corroded. fork stantion pitted and corroded |2.3.1| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil stanchion pitted |2.3.3| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected |5.2.1 |c| |ii|| | 1 |
| Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering front panel lower offside panel |6.1.1 |a| |ii|| | 1 |
| Front Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Shock absorber has negligible damping effect forks excessively corroded |5.3.2 |b|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak forks excessively corroded |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam dirty contacts in switch |4.1.3 |b|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick up to the right, can be masked to kick to the left |4.1.2 |a|| | 1 |
| Offside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Shock absorber has a serious fluid leak and very weak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working not working when rear brake applied (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Stop lamp not working from front or rear brake (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Kick to the wrong side (4.1.2 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake grabbing severely Rear brake grabbing on application (unable to apply gently) (1.2.1 (c)) | 1 |
| Headlamp not working on dipped beam Both front (4.1.1 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake grabbing severely Oval drum (1.2.1 (c)) | 1 |
| Front Brake disc contaminated painted with grease. (1.1.14 (b)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Nearside Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Front Brake cylinder leaking Sight glass (1.1.16 (b) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working from front or rear brake control. (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel pipe leaking (6.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |