| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 15 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Horn not working |1.7.3a| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 3 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 3 |
| Nearside Rear Footrest insecure |6.2.1a| | 2 |
| Brake hose damaged | 2 |
| Rear mono-shock pivot seized |2.4.B.4| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Rear Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Nearside Front Brake component modification unsafe |1.1.21 |d| |i|| | 2 |
| Offside Front Brake component modification unsafe |1.1.21 |d| |i|| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake back plate insecure locking device missing and securing nut slack |1.1.14 |d|| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp not working not working from front lever |4.3.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Hydraulic brake calliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Rear Brake insecure (1.1.21 (c)) | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Inner Rear Lower Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Nearside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Offside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Brake hose excessively deteriorated | 1 |
| Centre Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Footrest insecure |9.6.1| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Nearside Rear Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Horn not working (1.7.3a) | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake component is severely distorted |3.1.5| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Front Steering control handlebar movement restricted by cables caught on a projection catch on fairing bolts |2.1.2c| | 1 |
| Exhaust is leaking and excessively noisey from various points left and right |7.1.1b| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust excessively deteriorated Splitting and big hole in collector box |7.1.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake performance not tested |3.3| | 1 |
| Brake reaction bracket insecure (3.2.A1j) | 1 |
| Nearside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Nearside Front Brake disc(s) friction surface contaminated by oil or grease (3.2.A1k) | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Centre Rear suspension component seized |2.4A2a|ii|| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Rear Wheel spindle loose all bolts loose, movement in wheel from spokes to rim (5.2.1 (c) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Offside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake caliper piston dust seals hanging out unable to check front wheel bearings |3.3.C2c| | 1 |
| Motorcycle structure excessively corroded swing arm |6.1.1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Brake insecure brake linkage lock nut (1.1.21 (c)) | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Rear Wheel bearing rough when rotated both sides (5.1.3 (b) (i)) | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |