| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 26 |
| Registration plate issues | 18 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 12 |
| Drive chain excessively loose |6.2.1d| | 11 |
| Drive chain worn to excess |6.2.1e| | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 10 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Throttle operating incorrectly |6.2.1f| | 8 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 8 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front wheel bearings have excessive free play |2.3.5b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front wheel bearings are excessively rough |2.3.5b| | 6 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Horn not working |1.7.3a| | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Exhaust excessively deteriorated |7.1.1a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Stop lamp does not illuminate immediately a brake applies control 2 |1.3.1a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear An item not tested |Manual| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Rear reflector on motorcycle dirty and function impaired |1.4.2a| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicators not working missing |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Brake cylinder operating mechanism has excessive travel |1.1.16 |e| |i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Lower Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Upper Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Fuel hose leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Suspension attachment bracket/mounting insecure Swing arm |5.3.3 |a| |i|| | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Rear Lower Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Upper Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Horse shoe clip missing |6.2.1h| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Upper Brake pipe inadequately supported |3.2.B2b| | 1 |
| Offside Front Upper Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Brake back plate|s| insecure |3.2.A1j| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Motorcycle structure adversely modified |6.1.1b| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front suspension assembly component missing clamp bolt lower |2.3.1| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Front Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| IMPORTANT. Do not use failure or PRS against this item. For lighting defects please enter 5000 in the `Find item` box above. |9.1| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake hose damaged | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Front Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Motorcycle structure is deformed and structural rigidity is significantly reduced rear mudguard support (6.1.1 (a) (i)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. (3.3.A2b) | 1 |
| Throttle operating incorrectly Sticking and slow to release (6.2.1f) | 1 |
| Rear wheel spindle securing nut(s) loose (2.4.A.2b) | 1 |
| Headlamp switch faulty (1.2.4) | 1 |
| Fuel hose leaking (7.2.1a) | 1 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Front Floor brake test indicates a binding brake (3.3.C2c) | 1 |
| Drive chain excessively tight (6.2.1d) | 1 |
| Exhaust is leaking and excessively noisey (7.1.1b) | 1 |
| Fuel system component insecure (7.2.1b) | 1 |
| Horn not loud enough to be heard by another road user (1.7.3a) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Suspension attachment bracket/mounting insecure Main nut on steering stem at top yoke (5.3.3 (a) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |