| Most common failures | No# failures |
|---|
| Registration plate issues | 36 |
| Rear reflector on motorcycle missing |1.4.1| | 28 |
| Headlamp aim out of alignment | 20 |
| Registration plate lamp issues | 11 |
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 8 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 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 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Stop lamp does not illuminate immediately a brake applies intermittent |1.3.1a| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp does not illuminate immediately a brake applies from handle bar lever |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease front |3.2.A1k| | 1 |
| Horn not loud enough to be heard by another road user insecure |1.7.3a| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Hydraulic brake control feels spongy R H PADS BEING PUSHED BACK
SUSPECT WARPED DISC ALTHOUGH ROLLER TEST PASS |3.1.4a| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Direction indicators flashing more than 120 times per minute all |1.5.1c| | 1 |
| Headlamp deteriorated and function impaired no beam pattern |1.2.3a| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake hose leaking |1.1.12 |c|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 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 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Rear 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|| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Roller brake test indicates a sticking brake Rear |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front |1.3.1a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 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 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake pipe union leaking fluid caliper |3.2.B4| | 1 |
| Drive chain excessively loose loose chain |tighten| |6.2.1d| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Horn sound not in accordance with requirements quiet poor sound (7.7 (c)) | 1 |
| Nearside Front Footrest insecure loose bolt (6.2.12 (a)) | 1 |
| Rear Upper Shock absorber insecurely attached bush loose excessive movement (5.3.2 (a) (i)) | 1 |
| Headlamp not working on main beam prs high and low beam wrong way round (4.1.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake master cylinder leaking reservoir insecurely mounted, leaking cap (1.1.10 (b) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Stop lamp not working DOES NOT OPERATE FR.BRAKE LIGHT SWITCH (4.3.1 (a) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Lower Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| 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)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Horn sound not in accordance with requirements not loud enough (7.7 (c)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp led combination lamp fitted rear tail light-lamp affected by another lamp (4.4.3 (b)) | 1 |