| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working |1.7.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 2 |
| 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)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 2 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake lining|s| less than 1.5 mm thick front shoes worn out brake operating arm touches brake plate when brake operated |3.2.A1f|i|| | 1 |
| Direction indicators not working all indicators |1.5.1c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride wheel no locking device |6.2.1h| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear brake arm no locking device |6.2.1h| | 1 |
| Stop lamp does not illuminate immediately a brake applies not working from front brake |1.3.1a| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front shock absorber seal failed and leaking oil both fork seals |2.3.3| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Fuel system component insecure filter |7.2.1b| | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced swing arm |6.1.1 |b| |ii|| | 1 |
| Direction indicators not working front offside |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Wheel spoke excessively loose 4 |4.2.1b| | 1 |
| Rear Wheel spoke excessively loose 2 |4.2.1b| | 1 |
| Offside Rear Footrest insecure split pin missing |6.2.1a| | 1 |
| Nearside Rear Footrest insecure split pin missing |6.2.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Direction indicator missing all |1.5.1a| | 1 |
| All position lamps do not illuminate immediately when switched on front and rear |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear |1.3.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Upper Rear reflector likely to become detached |4.8.1 |b| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Engine mounting/bracket missing bolts missing. |6.1.8 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake caliper insecure rear brake caliper torque arm mounting locking device missing |1.1.16 |c| |i|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Front Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Headlamp incorrect colour dip beam |4.1.4 |a|| | 1 |
| Position lamp switch does not illuminate all position lamps with a single operation (4.2.2 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Engine mounting/bracket excessively loose rear bottom bolt (6.1.8 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal and pitted (5.3.2 (b)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect forks (5.3.2 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Wheel fixing missing (single fixing) Spindle wheel nut split pin missing (5.2.1 (a) (ii)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock Offside lock catching hand on fuel tank (2.1.4 (b)) | 1 |
| Throttle operating incorrectly Throttle sticking (6.2.7 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake pedal pivot excessively worn (1.1.1 (b)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking. (6.2.7 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Steering head bearings has excessive wear or free play nut slack (2.2.2 (g)) | 1 |
| Brake rod insecure (1.1.15 (c)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 1 |
| Brake lever insecure locking nut missing (1.1.2 (e) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp headlamp flashes also (4.4.3 (b)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Front Handlebar excessively deformed possible miss alignment of front forks (2.2.1 (c) (i)) | 1 |
| Exhaust system insecure silencers and front downpipe (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Headlamp light intensity severely reduced on dip beam (4.1.4 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |