| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Registration plate lamp issues | 7 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 7 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 6 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 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 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 4 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 4 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Rear Brake caliper insecure |1.1.16 |c| |i|| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Exhaust system insecure |6.1.2 |a|| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Stop lamp not working Control 2 (4.3.1 (a) (ii)) | 2 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| All direction indicators not working |4.4.1 |a| |ii|| | 2 |
| Headlamp insecure |4.1.1 |c|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fuel system component insecure fuel filter fouling on rear suspension unit |7.2.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Stop lamp not working Rear brake lever (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected ti
Tickover to high (6.2.7 (a) (ii)) | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 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 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired |5.1.3 |a| |ii|| | 1 |
| Brake performance not tested Due to condition of rear brakes and wheel bearing |1.2.1 |g|| | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake hose damaged | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Registration plate issues | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure mounting bolt missing (5.3.3 (a) (i)) | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Brake has no recorded effort at a wheel Rear brake lever has excessive travel.(lever Hitting handlebar grip) (1.2.1 (a) (ii)) | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Throttle operating incorrectly Flux on right lock (6.2.7 (a) (i)) | 1 |
| Front Wheel fractured Valve Cracked |5.2.2 |a|| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected mounting bolts stripped |1.1.16 |c| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Rear reflector missing obscured by l plate |4.8.2 |a| |ii|| | 1 |
| Shock absorber has a serious fluid leak both front |5.3.2 |b|| | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Stop lamp not working Off rear brake lever (4.3.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected headstock loose |2.2.2 |f| |ii|| | 1 |
| Rear Exhaust silencer insecure mounting loose |8.1.1 |b| |i|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp insecure FRONT BODYWORK CONTAINING HEADLAMP ASSEMBLY NOT SECURE |4.1.1 |c|| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface OBSCURED BY `L` PLATE |4.8.1 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected THROTTLE ASS`Y INSECURE ON HANDLEBAR |6.2.7 |a| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Headlamp missing COMPLETE FRONT HEADLAMP ASSEMBLY / FAIRING DISMOUNTED (4.1.1 (a) (ii)) | 1 |
| Offside Rear Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake performance not tested NO REAR PADS SUSPENSION LOOSE (1.2.1 (g)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear reflector reflecting white to the rear |4.8.2 |a| |ii|| | 1 |
| Stop lamp not working Rear brake light switch not operating |4.3.1 |a| |ii|| | 1 |
| Brake indicates excessive fluctuation of brake effort Front (1.2.1 (e)) | 1 |
| Direction indicator not working Front near side (4.4.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Steering operation restricted in free movement from lock to lock Brake hose in the way, right lock (2.1.4 (c)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working With rear brake (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working Rear brake light switch not working. (4.3.1 (a) (ii)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Offside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort 50% |1.2.1 |e|| | 1 |
| Stop lamp not working rear switch (4.3.1 (a) (ii)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp does not illuminate immediately a brake applies off rear brake |1.3.1a| | 1 |
| Stop lamp not working both |4.3.1 |a| |ii|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on main beam Right hand main beam light not working. |4.1.1 |a| |ii|| | 1 |
| Rear Stop lamp not working rear brake lever (4.3.1 (a) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp insecure The fairing in which they are mounted is insecure |4.1.1 |c|| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Shock absorber has negligible damping effect shockers (5.3.2 (b)) | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Rear Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking when released |6.2.7 |a| |ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp not working left hand lever switch |4.3.1 |a| |ii|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Throttle operating incorrectly idle to fast |6.2.7 |a| |i|| | 1 |
| Stop lamp not working left hand |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced bolt missing o/s/r next to silencer swing arm bracket |6.1.1 |b| |ii|| | 1 |
| Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Stop lamp not working Rear brake application. (4.3.1 (a) (ii)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil both fork legs leaking oil |2.3.3| | 1 |
| Central Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Rear Rear suspension component excessively bent damper rod bent |2.4.A.1a| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear reflector missing covered by l plate (4.8.2 (a) (ii)) | 1 |
| Headlamp insecure front fairing insecure headlight mounted to fairing (4.1.1 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Handlebar so insecure it is likely to become detached loose (2.2.1 (b) (ii)) | 1 |
| Rear Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Shock absorber has negligible damping effect no damping (5.3.2 (b)) | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |