| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 30 |
| Rear reflector on motorcycle missing |1.4.1| | 24 |
| Registration plate issues | 15 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Horn not working |1.7.3a| | 9 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Riders seat insecure |6.2.1a| | 3 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Position lamp not working |4.2.1 |a|| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Wheel spoke cracked. |4.2.1b| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Front Brake disc|s| insecure |3.2.A1g| | 2 |
| Rear reflector on motorcycle missing (1.4.1) | 2 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn not working (1.7.3a) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Brake fluid reservoir fluid level dangerously low (3.2.B1d) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Indicator tell tale not functioning none fitted |1.5.2| | 1 |
| Headlamp aim not tested no pattern and wired incorrectly |1.6| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Indicator tell tale not functioning missing |1.5.2| | 1 |
| Front Brake disc|s| insecure spacer shims broken - excess movement on cottonreels |3.2.A1g| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front suspension assembly component missing |2.3.1| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Fuel cap ineffective sealing washer missing |6.1.3 |b| |i|| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 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 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Offside Rear Brake pedal insecure |3.1.2a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Steering lock stop ineffective Hitting Both Radiators on either Lock |2.1.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts Front Brake Hose routed wrong |3.2.B2c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system Rear Silencers Insecure |7.1.1.c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Headlamp aim not tested Headlight Aim Not Tested Due To Insecure Headlight |1.6| | 1 |
| Offside Front Lower Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Securing Bolt Missing off Lower Fork Clamp |6.2.1h| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure Mudguard frame (6.1.1 (b) (i)) | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Stop lamp does not illuminate immediately a brake applies via rear brake |1.3.1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake component is fractured |3.1.5| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Rear Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake lagging in operation |1.2.1 |d|| | 1 |
| Rear Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Fuel pipe insecure |6.1.3 |a| |i|| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Headlamp switch insecure |1.2.4| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. (2.1.1c) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Nearside Fuel system component leaking leaking from carburetor |7.2.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies pedal (1.3.1a) | 1 |
| Stop lamp does not illuminate immediately a brake applies lever (1.3.1a) | 1 |