| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 44 |
| Rear reflector on motorcycle missing |1.4.1| | 41 |
| Registration plate issues | 36 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 20 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 14 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Drive chain excessively loose |6.2.1d| | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 12 |
| Horn not working |1.7.3a| | 12 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 9 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 9 |
| Throttle operating incorrectly |6.2.1f| | 8 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 8 |
| 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 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 6 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 6 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 5 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 5 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 5 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Riders seat insecure |6.2.1a| | 4 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 4 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Nearside Steering lock stop ineffective |2.1.3| | 4 |
| Drive chain worn to excess |6.2.1e| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Headlamp insecure |1.2.3b| | 3 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 3 |
| Offside Steering lock stop ineffective |2.1.3| | 3 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 3 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 3 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 3 |
| Offside Front Brake disc|s| is excessively distorted |3.2.A1m| | 3 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Front Handlebar deformed |2.1.1b| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 2 |
| Headlamp incorrect colour |1.2.1| | 2 |
| Horn control defective |1.7.2a| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Fuel system component leaking |7.2.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Fuel system component insecure |7.2.1b| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Direction indicator insecure |1.5.3b| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Fuel tank leaking |7.2.1a| | 2 |
| Nearside Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| All direction indicators not working not flashing |4.4.1 |a| |ii|| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Front Handlebar fractured |2.1.1b| | 1 |
| Front Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Nearside Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Centre Rear Rear position lamp missing |1.1.1a| | 1 |
| Nearside Front Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Central Front Brake excessively binding |1.2.1 |f|| | 1 |
| Central Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Brake performance not tested |3.3| | 1 |
| An item not tested |Manual| | 1 |
| Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Brake component cracked and seriously reduced in strength |3.2.A1| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Motorcycle structure adversely modified |6.1.1b| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Front Upper Brake hose excessively twisted |3.2.B3a| | 1 |
| Offside Front Lower Brake hose excessively twisted |3.2.B3a| | 1 |
| Nearside Steering lock stop ineffective ineffective clearance between hand grip to fuel tank on lock |2.1.3| | 1 |
| Offside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Brake component has an inadequate repair |3.1.5| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Fuel tank leaking |7.2.1a| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Nearside Front Lower Brake hose excessively kinked |3.2.B3a| | 1 |
| Offside Front Lower Brake hose excessively kinked |3.2.B3a| | 1 |
| Offside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Offside Front Motorcycle structure cracked |6.1.1a| | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Steering lock stop maladjusted |2.1.3| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Rear position lamp does not face the rear |1.1.1d| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Nearside Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Brake pedal has inadequate reserve travel rear brake spongy |3.1.3b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Brake lever attachment screws missing |3.1.2b| | 1 |
| Nearside Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Brake hose excessively twisted |3.2.B3a| | 1 |
| Front Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Rear wheel insecure |4.2.3b| | 1 |
| Rear Rear suspension component cracked |2.4.A.1a| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working both |4.3.1 |a| |ii|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Offside 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| | 1 |
| Front Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| 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| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Steering lock stop ineffective |2.1.3| | 1 |
| Offside Fuel tank leaking |7.2.1a| | 1 |
| Offside Front Upper Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Inner Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Outer Front Fuel tank leaking |7.2.1a| | 1 |
| Inner Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Handlebar mounting clamp bolt missing |2.1.1a| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Front suspension assembly component missing |2.3.1| | 1 |
| Centre Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front Brake master cylinder leaking do not drive (1.1.10 (b) (ii)) | 1 |
| Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned must be 180mm apart (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned must be 180mm apart (4.4.3 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Offside Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Brake pedal anti-slip provision worn smooth gear lever rubber missing (1.1.2 (c)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |