| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 37 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 18 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 17 |
| Registration plate issues | 11 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 11 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 8 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake component is fractured |3.1.5| | 2 |
| Horn not working |1.7.3a| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Lower Rear suspension bush has excessive free play suspension bush bolts loose |2.4.A2a|i|| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Indicator tell tale not functioning |1.5.2| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim projected beam image obviously incorrect Beam Kick to the right (4.1.2 (c)) | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front control |1.3.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake component is fractured brake caliper |3.1.5| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Upper Direction indicator not working |1.5.1c| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Stop lamp not working front brake switch inop (4.3.1 (a) (ii)) | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Brake performance not tested brake test not carried rear pads worn to excess |1.2.1 |g|| | 1 |
| Rear Brake lining|s| less than 1.0 mm thick |1.1.13 |a|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Offside Front Brake disc insecure FIXING BOLT MISSING |1.1.14 |a| |ii|| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp by indicators and hazards (4.2.3 (b)) | 1 |
| Seat insecure |6.2.1a| | 1 |
| Nearside Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front position lamp missing |1.1.1a| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Shock absorber has a serious fluid leak both front fork seals (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 lever has restricted free movement |1.1.15 |e|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Brake lining(s) contaminated (1.1.13 (b)) | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| All position lamps do not illuminate immediately when switched on front and rear pilot lamps dont work |1.1.3a| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies from operation of front brake. |1.3.1a| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Shock absorber has a serious fluid leak O/S fork oil seal leaking (5.3.2 (b)) | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |