| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 25 |
| Registration plate issues | 21 |
| Rear reflector missing |4.8.2 |a| |ii|| | 15 |
| Headlamp aim out of alignment | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 5 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Rear Brake pedal is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Sidestand |6.1.1 |b| |i|| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Brake lagging in operation spongy brake |1.2.1 |d|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Position lamp likely to become detached |4.2.1 |c| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Horn not working |1.7.3a| | 1 |
| Offside Upper Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear reflector reflecting white to the rear |4.8.2 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak offside and nearside fork seals leaking (5.3.2 (b)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure side stand insecure |6.1.1 |b| |i|| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 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 |
| Rear Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Front Brake performance not tested Bad vibration through handbars on brake rollers,effort not tested,
Front suspension banging and no fork travel. (1.2.1 (g)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| 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 |
| Direction indicator obviously incorrectly positioned incorect spacing (4.4.3 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected steering lock clearance / adjust lock stops (6.2.7 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Fork yoke insecure Top yolk pinch bolts missing. (2.2.2 (d) (i)) | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Brake grabbing severely Front & Rear. (1.2.1 (c)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |