| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 58 |
| Registration plate issues | 15 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Horn not working |1.7.3a| | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 9 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 8 |
| Direction indicators not working |1.5.1c| | 7 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Stop lamp remains on when the brake is released |1.3.1e| | 6 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Riders seat insecure |6.2.1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 3 |
| Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Brake pipe excessively corroded | 3 |
| Fuel system component leaking |7.2.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Indicator tell tale not functioning |1.5.2| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Fuel pipe leaking |7.2.1a| | 3 |
| Fuel system component insecure |7.2.1b| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Sidecar wheel bearings have excessive free play |5.2.3c| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Fuel cap sealing washer torn |7.2.2c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| All position lamps not working |4.2.1 |a|| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Fuel hose leaking |7.2.1a| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Steering lock stop ineffective |2.1.3| | 2 |
| Sidecar wheel bearings are excessively rough |5.2.3d| | 2 |
| Direction indicator not working |1.5.1c| | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 2 |
| An item not tested |Manual| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Registration plate lamp issues | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Offside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Brake disc|s| cracked |3.2.A1g| | 1 |
| Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Brake drum|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Lower Brake disc|s| cracked |3.2.A1g| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Fuel hose leaking |7.2.1a| | 1 |
| Front suspension has excessive corrosion which reduces the strength of a load bearing member or its supporting structure. |2.3.8| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Handlebar excessively corroded |2.1.1b| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Horn not working |1.7.3a| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Sidecar wheel alignment has excessive toe-in |5.3.1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim beam image kick up to the offside Headlamp mask fitted
|1.6| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Offside Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Lower Rear shock absorber insecurely mounted nut insecure |2.4.A.3b| | 1 |
| Fuel cap sealing washer deteriorated split |7.2.2c| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Centre Front Lower Horn not working |1.7.3a| | 1 |
| Sidecar suspension has an insecure unit. |5.2.3a| | 1 |
| Sidecar suspension has an insecure unit. TRAILING ARM BREARING WORN TO EXCESS |5.2.3a| | 1 |
| Nearside Front Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Nearside Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Offside Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Rear Sidecar rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Front Brake component has an inadequate repair |3.1.5| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Exhaust excessively deteriorated |7.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Exhaust mounting missing |7.1.1c| | 1 |
| Centre Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock on right hand lock |2.1.4| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Fuel pipe leaking |7.2.1a| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Nearside Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Outer Fuel pipe leaking |7.2.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake cylinder insecurely mounted |3.2.B1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Fuel system component leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Central Upper Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Suspension component mounting has an unsafe modification only two 6mm bolts holding the rear suspension mounting bracket. (5.3.3 (c) (i)) | 1 |
| Rear Suspension component mounting has an unsafe modification rear suspension mod braket only spot welded together (5.3.3 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Handlebar grip insecure to handlebar left grip come away from bar (2.2.1 (d) (ii)) | 1 |
| Fuel cap ineffective seal broken (6.1.3 (b) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn sound not in accordance with requirements not loud enough (7.7 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working lubricated as necessary (4.3.1 (a) (ii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Fuel system component leaking excessively or a risk of fire carb over flow (6.1.3 (b) (ii)) | 1 |
| Suspension attachment bracket/mounting insecure Top nut. (5.3.3 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |