| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Nearside Rear Footrest missing |6.2.1a| | 4 |
| Offside Rear Footrest missing |6.2.1a| | 4 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Footrest missing |6.2.1a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Handlebar deformed |2.1.1b| | 3 |
| Nearside Handlebar deformed |2.1.1b| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Registration plate lamp issues | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Nearside Front Direction indicator missing |1.5.1a| | 2 |
| Offside Front Direction indicator missing |1.5.1a| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Pillion seat insecure |6.2.6 |a| |ii|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Handlebar deformed handlebar bent, traps fingers on left lock |2.1.1b| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Exhaust is leaking and excessively noisey exhaust leaking at cylinder head |7.1.1b| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Drive chain excessively tight chain has excessive tight spots & corrosion |6.2.1d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam wiring fault auto switching from main to dip when bars moved |4.1.3 |b|| | 1 |
| Offside Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak Stanchion pitted/rusty (5.3.2 (b)) | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork leg (5.3.2 (b)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Centre Lower Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar loose on throttle drum (2.2.1 (d) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel comes back to bar hits on throttle top (1.1.2 (a)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Centre Front Upper Fuel system component insecure |7.2.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Stop lamp not working front control not woring |4.3.1 |a| |ii|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear sprocket bolt sheered off |6.2.1h| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Chain guard insecure missing |6.2.1c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust excessively deteriorated exhaust |7.1.1a| | 1 |
| Rear Brake disc|s| excessively worn Less than 3.00mm |3.2.A1l| | 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 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure body panel (6.1.1 (b) (i)) | 1 |
| Nearside Motorcycle structure joining/attachment plate or fastening insecure body panel insecure (6.1.1 (b) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp insecure Bulbs insecure in headlight |1.2.3b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Nearside Footrest insecure bracket broken |6.2.1a| | 1 |
| Nearside Front Handlebar deformed bent |2.1.1b| | 1 |
| Steering headbearing has excessive wear or free play free play |2.2.2 |f| |i|| | 1 |
| Brake pedal insecure |1.1.2 |e| |i|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Shock absorber has a serious fluid leak both front forks |5.3.2 |b|| | 1 |
| Nearside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 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 |
| Front Brake lever is positioned so that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Footrest insecure |6.2.12 |a|| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear position lamp damaged and function impaired cover missing from number plate light showing white light to rear |1.1.1b| | 1 |
| Front Brake lever mounting insecure |3.1.2a| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |