| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 48 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 18 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 17 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 15 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 11 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 9 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Rear 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 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 6 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 4 |
| Exhaust excessively deteriorated |7.1.1a| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate issues | 3 |
| Brake pedal cannot be released smoothly |3.1.3d| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 3 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Brake disc|s| cracked |3.2.A1g| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Stop lamp does not illuminate immediately a brake applies front brake light switch |1.3.1a| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Exhaust mounting does not fully support the exhaust system exhaust mounting bracket fouling
on rear spindle nut |7.1.1.c| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Handlebar handgrip not secure to handlebars. l/ hand |2.1.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Nearside Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Brake hose damaged | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake component is excessively corroded |3.1.5| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Nearside Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Centre Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front suspension assembly component loose |2.3.1| | 1 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Brake performance not tested |3.3| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies footbrake
|1.3.1a| | 1 |
| Direction indicators affected by the operation of another lamp indicators innop when lights on
|1.5.1c| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| An item not tested |Manual| | 1 |
| Rear Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Offside Rear Upper Suspension arm corroded and seriously weakened swinging arm (5.3.3 (b) (i)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak both forks (5.3.2 (b)) | 1 |
| Central Rear Stop lamp not working brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Central Exhaust system insecure (6.1.2 (a)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak nearside fork oil seal is leaking (5.3.2 (b)) | 1 |
| Wheel fixing loose (single fixing) rear spindle (5.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Central Lower Riders seat insecure dose not lock (6.2.5 (a) (ii)) | 1 |
| Nearside Front Upper Motorcycle structure joining/attachment plate or fastening insecure infill panel loose (6.1.1 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak BOTH FRONT FORK SEALS LEAKING (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Suspension component modified so the suspension is inoperative (5.3.3 (c) (ii)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |