| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 36 |
| Registration plate lamp issues | 17 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 12 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 11 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 10 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 8 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 8 |
| Rear Brake excessively binding (1.2.1 (f)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Registration plate issues | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 6 |
| Front Position lamp not working (4.2.1 (a)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 5 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 5 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Rear Brake excessively binding |1.2.1 |f|| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 4 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 3 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 3 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Rear Drive chain sprocket excessively loose |6.1.7 |c| |i|| | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 2 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 2 |
| Rear Valve stem seriously damaged Badly cracked |5.2.3 |j|| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Wheel alignment incorrect which adversely affects the steering To RHS |2.5.1| | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Offside Front Brake component is fractured front master cylinder mounting fractured |3.1.5| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Stop lamp not working ( foot control) (4.3.1 (a) (ii)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Suspension component pin or bush excessively worn swing arm bearings (5.3.4 (a) (i)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Stop lamp not working foot pedal (4.3.1 (a) (ii)) | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Offside Exhaust system insecure |6.1.2 |a|| | 1 |
| Offside Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Suspension arm ball joint excessively worn n/s swinging arm pivot/bush worn (5.3.4 (a) (i)) | 1 |
| Drive chain sprocket excessively loose cush drive rubbers excessive movement (6.1.7 (c) (i)) | 1 |
| Brake component insecure front brake lever pivot worn (1.1.21 (c)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering Mudguard (6.1.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Brake lever pivot has excessive free play Brake lever goes back to handlebars |no reserve travel| |1.1.1 |b|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Rear suspension bush has excessive free play SWINGING ARM LOOSE |2.4.A2a|i|| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Clutch lever shortened so it cannot be readily operated |6.2.7 |b|| | 1 |
| Front Shock absorber has a serious fluid leak both |5.3.2 |b|| | 1 |
| Rear Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Fork yoke insecure upper Securing Bolts missing (2.2.2 (d) (i)) | 1 |
| Headlamp incorrect colour |4.1.4 |a|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Position lamp switch insecure |4.2.2 |b|| | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Stop lamp not working Control 2 foot pedle (4.3.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Wheel bearing has excessive play sprocket bearing and cush drive excessive play |5.1.3 |a| |i|| | 1 |
| Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Footrest missing both pillion seat footpegs missing |6.2.12 |a|| | 1 |
| Stop lamp not working with front brake lever |4.3.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling forks twisted in yokes |2.4 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering forks twisted in yokes |2.4 |a|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Brake lining(s) missing brake lining fallen out (1.1.13 (c)) | 1 |
| Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Fuel cap ineffective temporary flexi cap fitted |6.1.3 |b| |i|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging Arm assy, o/s and n/s (5.3.4 (a) (i)) | 1 |
| Footrest missing both rear (6.2.12 (a)) | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain sprocket excessively loose cushdrive (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Rear Wheel fixing missing (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Clutch lever positioned so it cannot be readily operated. clamp is damaged and is not supporting the lever correctly |6.2.1g| | 1 |
| Central Front Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride sprocket nuts all loose |6.2.1h| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Direction indicator with a multiple light source more than 1/2 not functioning Loose, Damaged and 50% LEDs not working (4.4.1 (a) (ii)) | 1 |
| Valve stem seriously damaged Front rubber valve stem cracked (5.2.3 (j)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Fork yoke insecure Top yoke, nearside fork leg clamp bolt missing (2.2.2 (d) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Footrest missing Both Passenger |6.2.12 |a|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Upper Brake hose excessively stretched near master cylinder (1.1.12 (b) (ii)) | 1 |
| Suspension arm mounting modified so the suspension is likely to fail other components swing arm bushes (5.3.3 (c) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Throttle operating incorrectly revs up when steering turned (6.2.7 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Lower Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Nearside Rear Footrest missing n/s rear footrest and mounting bracket missing |6.2.1a| | 1 |
| Suspension arm pin or bush excessively worn swing arm bearing worn (5.3.4 (a) (i)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Rear Drive chain sprocket excessively loose lock tabs not applied (6.1.7 (c) (i)) | 1 |
| Fuel pipe damaged (6.1.3 (c) (ii)) | 1 |
| Fuel pipe insecure (6.1.3 (a) (i)) | 1 |
| Drive chain so worn it is likely to fail seized links in chain (6.1.7 (c) (ii)) | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| All direction indicators light intensity significantly reduced all |4.4.3 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen dip |4.1.2 |a|| | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering handle bars |6.1.1 |a| |ii|| | 1 |
| Front Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Roller brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Front Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Front Footrest insecure (6.2.12 (a)) | 1 |
| Fuel cap leaking |6.1.3 |b| |i|| | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Brake component insecure Front caliper bolts (1.1.21 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Suspension component pin or bush excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Central Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Central Rear Stop lamp not working stop light not working from front brake switch |4.3.1 |a| |ii|| | 1 |
| Stop lamp with a multiple light source more than 1/2 not functioning |4.3.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected idle speed increases on full lock (6.2.7 (a) (ii)) | 1 |
| Drive chain sprocket worn to excess Rear |6.1.7 |c| |i|| | 1 |
| Rear Brake excessively binding over 20kg bind (1.2.1 (f)) | 1 |
| Headlamp aim not tested dipped beam not working (4.1.2 (b)) | 1 |
| Drive chain sprocket so worn it is likely to fail sprockets worn to excess (6.1.7 (c) (ii)) | 1 |
| Rear Brake lagging in operation rear brake pedal movement excessive before brake starts working (1.2.1 (d)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork top. (5.3.2 (b)) | 1 |
| Headlamp lens seriously defective affected by operation of horn. (4.1.1 (b) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail Locking tabs missing plus not locked over! |6.1.7 |c| |ii|| | 1 |
| Front Brake lever insecure retaining nut (1.1.2 (e) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle switch gear insecure (6.2.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not working when applying front brake control (4.3.2 (a) (iii)) | 1 |
| Fuel cap ineffective seal damaged (6.1.3 (b) (i)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort FLUCTUATION RECORDED AT 35KG |1.2.1 |e|| | 1 |
| Steering headbearing has excessive wear or free play STEERING HEAD VERY LOOSE |2.2.2 |f| |i|| | 1 |
| Rear Suspension arm pin or bush likely to become detached SWINGARM BUSHES OR BEARINGS POSSIBLY MOUNTING BOLT LOOSE SWING ARM HAS EXCESSIVE SIDEWAYS MOVEMENT |5.3.4 |a| |ii|| | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Suspension arm insecure and control of the motorcycle impaired (5.3.3 (a) (ii)) | 1 |