| Most common failures | No# failures |
|---|
| Headlamp aim beam image kick up to the offside |1.6| | 54 |
| Headlamp aim out of alignment | 46 |
| Registration plate issues | 28 |
| Rear reflector on motorcycle missing |1.4.1| | 16 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 11 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 7 |
| 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| | 7 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate lamp issues | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working |1.7.3a| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 2 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear 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| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Horn missing |1.7.1| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Brake pipe excessively damaged |3.2.B2a| | 1 |
| Centre Headlamp aim beam image kick-up is to the offside |1.6.1| | 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 |
| Central Steering headbearing has excessive wear or free play notchy |2.2.2 |f| |i|| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Brake pivot has restricted free movement Brake pivot not releasing |1.1.15 |e|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Nearside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Offside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Rear Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| 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 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Hazard warning switch inoperative Only 1 side working |4.4.2 |a| |ii|| | 1 |
| Footrest insecure |6.2.12 |a|| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear suspension bush has excessive free play swingarm |2.4.A2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front brake lever |1.3.1a| | 1 |
| Nearside Rear Stop lamp affected by the operation of another lamp Effected by indecator |1.3.2| | 1 |
| Offside Rear Stop lamp affected by the operation of another lamp Effected by indecator |1.3.2| | 1 |
| Nearside Rear position lamp incorrect colour |1.1.2b| | 1 |
| Offside Rear position lamp incorrect colour |1.1.2b| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear Direction indicators missing |1.4.A.2b| | 1 |
| Offside Rear Direction indicators missing |1.4.A.2b| | 1 |
| Inner Stop lamp not working |1.2.1b| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Lower Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Centre Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp not working Not fitted with switch |4.3.1 |a| |ii|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Brake back plate|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Upper Fork yoke deformed |2.1.1b| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Centre Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Centre Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Offside Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Offside Rear Lower Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Drive chain worn to excess Tight Spots |6.1.7 |c| |i|| | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak both fork legs leaking (5.3.2 (b)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front wheel bearings have excessive free play (2.3.5b) | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush (2.4.G.2) | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush (2.4.G.2) | 1 |
| Hazard warning tell tale not working correctly (1.4.B.1e) | 1 |
| Hazard warning switch missing (1.4.B.1d) | 1 |
| Hazard warning lamps not flashing in phase, with ignition on (1.4.B.1f) | 1 |
| Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f) | 1 |
| Hazard warning lamps not fitted (1.4.B.1a) | 1 |
| Nearside Front shock absorber leaking oil (9.2.7b) | 1 |
| Offside Front shock absorber leaking oil (9.2.7b) | 1 |
| Offside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Direction indicators flashing more than 120 times a minute (1.4.A.2g) | 1 |
| Nearside Rear reflector missing (1.5.1a) | 1 |
| Offside Rear reflector missing (1.5.1a) | 1 |
| Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| 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 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Drive chain excessively tight (6.2.1d) | 1 |
| Rear suspension movement is excessively stiff (2.4.A.3b) | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking Front Frame And Engine Mount Bolt Insecurely Fastened (6.1.1c) | 1 |
| Throttle operating incorrectly (6.2.1f) | 1 |
| Front wheel spindle securing nut locking device missing (2.3.3a) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Stop lamp not working Control (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen kick up to right (4.1.2 (a)) | 1 |
| Rear Brake component insecure reaction bracket loose (1.1.21 (c)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Stop lamp not working wires off switch (4.3.1 (a) (ii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect new bulb fitted (4.1.2 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |