| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 15 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Throttle operating incorrectly |6.2.1f| | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Horn not working |1.7.3a| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Motorcycle structure excessively corroded |6.1.1a| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Registration plate issues | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Lower Motorcycle structure excessively corroded |6.1.1a| | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Outer Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Front Stop lamp not working Hand operated brake light switch inoperative |4.3.1 |a| |ii|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Headlamp incorrect colour |1.2.1| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Front Brake caliper|s| insecure bracket cracked |3.2.A1j| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp not working when operating rear brake (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake hose which buldges |3.2.B4| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Shock absorber has a serious fluid leak Fork seal (5.3.2 (b)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp not working on dipped beam Both bulbs not working (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Not working on front brake (4.3.2 (a) (iii)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake lever |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system both rear silencers. |7.1.1.c| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Nearside Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Front Brake hose leaking (1.1.12 (c)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Fuel hose leaking excessively or a risk of fire below seat near filter (6.1.3 (b) (ii)) | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Brake pedal is inoperative |3.1.3c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Roller brake test indicates a binding brake pivot partially seized |3.3.A1a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock on left hand lock-tight cable |2.1.4| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear suspension component excessively corroded. swingarm |2.4.A.1a| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Rear Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Offside Front Brake component damaged and seriously reduced in strength caliper mounting |3.2.A1| | 1 |