| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 29 |
| Rear reflector missing (4.8.2 (a) (ii)) | 28 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 17 |
| Registration plate lamp issues | 17 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 11 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Stop lamp remains on when the brakes are released | 9 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 9 |
| Rear Position lamp not working (4.2.1 (a)) | 7 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 7 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Front Position lamp not working (4.2.1 (a)) | 7 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Horn not working (7.7 (a)) | 6 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Registration plate issues | 6 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 5 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 5 |
| Headlamp aim not tested (4.1.2 (b)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 4 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 4 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Brake hose excessively deteriorated | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 3 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Offside Rear Outer Wheel bearing play so excessive it is likely to break up Has broken up (5.1.3 (a) (ii)) | 2 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| 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)) | 2 |
| Rear Wheel spoke excessively bent (5.2.2 (d)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Central Steering headbearing excessively stiff or notchy Notchy (2.2.2 (f) (i)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn Shock Linkage (5.3.4 (a) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Drive chain worn to excess Kush drive rubbers (6.1.7 (c) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Idles incorrectly and high (6.2.7 (a) (ii)) | 1 |
| Rear Lower Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Suspect frame bent at headstock (2.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle loose on handlebar (6.2.7 (a) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling chain adjustment way out (2.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering front forks and handlebar twiced (2.4 (a)) | 1 |
| Drive chain sprocket worn to excess both (6.1.7 (c) (i)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure chain adjuster plate and nuts missing (6.1.1 (b) (i)) | 1 |
| Brake excessively binding forwards not backwards (1.2.1 (f)) | 1 |
| Nearside Suspension component damaged and seriously weakened sprocket nut worn through swingarm (5.3.3 (b) (i)) | 1 |
| Rear Suspension arm ball joint excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Front Wheel spoke excessively loose 50 %FRONT WHEEL SPOKES LOOSE (5.2.2 (d)) | 1 |
| Shock absorber has a serious fluid leak L/H fork seal (5.3.2 (b)) | 1 |
| Brake lining(s) less than 1.0 mm thick oil on front pads (1.1.13 (a)) | 1 |
| Brake lining(s) less than 1.0 mm thick rear pads seized on less than 1mm (1.1.13 (a)) | 1 |
| Stop lamp not working fr. & rear stop l ights (4.3.1 (a) (ii)) | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake switch not working (4.3.2 (a) (iii)) | 1 |
| Drive chain worn to excess Chain and sprockets are in need of replacement (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Central Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake switch replaced (4.3.2 (a) (iii)) | 1 |
| Throttle operating incorrectly Throttle flux on lock to lock (6.2.7 (a) (i)) | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Engine mounting/bracket missing Mounting Bolt missing (6.1.8 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Brake performance not tested (1.2.1 (g)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain so loose it is likely to fail drive chain (6.1.7 (c) (ii)) | 1 |
| Drive chain worn to excess Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Wheels significantly out of alignment (2.4 (a)) | 1 |
| Front Headlamp insecure Headlamp secured by tape (4.1.1 (c)) | 1 |
| Front Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Position lamp adversely affected by the operation of another lamp rear position lamp not checked as stop lamp permanently illuminated (4.2.3 (b)) | 1 |
| Stop lamp lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy Left and right lock very stiff, middle slightly notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Shock absorber has a serious fluid leak both fork seals leaking (5.3.2 (b)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Rear Position lamp lens seriously defective light stops working when engine revs increase (4.2.1 (b)) | 1 |
| Front Brake component modification unsafe Pad locating lug missing. (1.1.21 (d) (i)) | 1 |
| Front Shock absorber has a serious fluid leak Both (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel front brake lever is fouling the throttle housing (1.1.2 (a)) | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Position lamp switch insecure |4.2.2 |b|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle operating incorrectly Switch gear loose (6.2.7 (a) (i)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 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 |
| Front Brake disc contaminated fork oil (1.1.14 (b)) | 1 |
| Nearside Front Indicator switch inoperative (4.4.2 (a) (ii)) | 1 |
| Central Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Brake pedal has insufficient reserve travel EXCESSIVE RESERVE TRAVEL (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls DOES NOT ILLUMINATE WHEN REAR BRAKE IS APPLIED (4.3.2 (a) (iii)) | 1 |
| Riders seat insecure NOT BOLTED ON SECURELY (6.2.5 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake performance not tested BRAKE NOT WORKING (1.2.1 (g)) | 1 |
| Wheel alignment incorrect which adversely affects the handling REAR WHEEL NOT IN ALIGNMENT (2.4 (a)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect NO BEAM PATTERN. LED BULB FITTED, NO LONGER ALLOWED TO MODIFY HEADLAMPS (4.1.2 (c)) | 1 |
| Offside Rear Upper Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Wheel bearing has excessive play sprocket carrier (5.1.3 (a) (i)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected front caliper bolt loose (1.1.16 (c) (ii)) | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Brake component insecure reaction bracket insecure
split pin missing (1.1.21 (c)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working With rear brake (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Position lamp switch insecure R/H (4.2.2 (b)) | 1 |
| Shock absorber has a serious fluid leak L/H (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Rear Footrest insecure hitting swinging arm (6.2.12 (a)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Drive chain sprocket excessively loose Cush drive rubbers worn (6.1.7 (c) (i)) | 1 |
| Rear Brake clevis joint insecure Rear brake reaction bracket fitted incorrectly and split pin missing (1.1.15 (c)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Central Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Control lose and interfering with front brake (6.2.7 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen kick on o/s. (4.1.2 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted wrong way round. (6.1.7 (j) (i)) | 1 |
| Rear Road spring insecure Top Locking ring not tight. (5.3.1 (a) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Wheel has bolts/rivets missing or loose to the extent that control of the motorcycle is likely to be adversely affected Rear wheel loose on spokes. (5.2.2 (e) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Brake pedal pivot excessively worn (1.1.1 (b)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Stop lamp not working of o/s/f brake lever (4.3.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail and dry of lube(rusty) (6.1.7 (c) (ii)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Front Position lamp switch insecure r/hand switch (4.2.2 (b)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Rear Footrest missing both (6.2.12 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp not working on dipped beam bulb was blown (4.1.1 (a) (ii)) | 1 |
| Front Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Front Position lamp not working side (4.2.1 (a)) | 1 |
| Central Rear Lower Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake disc significantly and obviously worn rear wheel disc (1.1.14 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working Not flashing / staying on (4.4.1 (a) (ii)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Offside Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Insecure on bar (6.2.7 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Offside Position lamp switch insecure (4.2.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect No beam pattern (4.1.2 (c)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Suspension arm pin or bush excessively worn swing arm bushes (5.3.4 (a) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear reflector missing covered by l plate (4.8.2 (a) (ii)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Stop lamp not working on foot brake (4.3.1 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 1 |
| Exhaust system insecure rear mount completely snapped off exposing baffles (6.1.2 (a)) | 1 |
| Rear position lamp damaged and function impaired part of lense missing |1.1.1b| | 1 |
| Rear position lamp incorrect colour showing white light |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light white light |1.3.1b| | 1 |
| Stop lamp not working via rear brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Rear brake application (4.3.1 (a) (ii)) | 1 |
| Front Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |