| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 17 |
| Registration plate lamp issues | 14 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 11 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 6 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Brake hose excessively deteriorated | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Rear Position lamp not working |4.2.1 |a|| | 3 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Riders seat insecure (6.2.5 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 2 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Headlamp light intensity severely reduced dip very dim suspect earth problem |4.1.4 |a|| | 1 |
| Rear Footrest missing both |6.2.12 |a|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Footrest insecure |6.2.12 |a|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Brake cylinder cracked |1.1.16 |a| |i|| | 1 |
| Nearside Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear reflector missing coverd over by l plate |4.8.2 |a| |ii|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Rear All position lamps not working |4.2.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Steering linkage locking device ineffective |2.1.3 |d|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Forks excessively deformed L/H fork leg bent |2.2.2 |d| |i|| | 1 |
| Rear Brake pedal pivot excessively worn |1.1.1 |b|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar bar end weight |2.2.1 |d| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Rear Wheel bearing has excessive play Sprocket bearing |5.1.3 |a| |i|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Wheel alignment incorrect which adversely affects the steering FRONT WHEEL AND HANDLE BARS MISALIGNED (2.4 (a)) | 1 |
| Central Rear Upper Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Rear Stop lamp not working footbrake (4.3.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure swingarm nut loose (5.3.3 (a) (i)) | 1 |
| Rear Brake excessively binding rear brake pedal sticking on (1.2.1 (f)) | 1 |
| Central Rear Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Brake component insecure brake reaction bolt locking device pin. (1.1.21 (c)) | 1 |
| Rear Brake lever pivot excessively tight Sticking on and rough in operation. (1.1.1 (a)) | 1 |
| Rear Stop lamp not working Due to pivot problem. (4.3.1 (a) (ii)) | 1 |
| Handlebar mounting insecure Bars loose. (2.2.1 (a) (i)) | 1 |
| Handlebar retaining device loose Bars loose. (2.2.1 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Central Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Offside Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose worn and dry advise replacement (6.1.7 (c) (i)) | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Brake master cylinder leaking through sight glass hole (1.1.10 (b) (ii)) | 1 |
| Fuel cap leaking rubber seal perished (6.1.3 (b) (i)) | 1 |
| Headlamp has more than 1/2 LEDs not functioning front headlight needs changing (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working front brake light not working (4.3.1 (a) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Footrest missing (6.2.12 (a)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Rear Lower Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Offside Front Lower Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested due to front brake lever missing (1.2.1 (g)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected insecure (6.2.7 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake hose damaged and likely to fail Casing damaged! (1.1.12 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail Bolt missing plus locking tab broken! (6.1.7 (c) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Suspension component pin or bush excessively worn swinging arm has excessive movement from side to side (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding possible brake disc bent (1.2.1 (f)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Stop lamp not working not working from front brake lever switch (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake pivot has restricted free movement (1.1.15 (e)) | 1 |
| Brake component insecure SECURITY PIN MISSING REAR BRAKE REACTION ROD (1.1.21 (c)) | 1 |
| Offside Rear Footrest insecure SECURITY PIN MISSING REAR FOOTREST (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 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 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| All direction indicators adversely affected by the operation of another lamp do not flash when lights are on (4.4.3 (b)) | 1 |
| Front Brake hose leaking banjo bolt at bottom of calliper loose (1.1.12 (c)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Stop lamp not working off rear foot brake (4.3.1 (a) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up Sprocket carrier bearing worn! (5.1.3 (b) (ii)) | 1 |
| Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play adjusted slack up. (2.2.2 (f) (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 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp insecure bulb not secured inside headlight (4.1.1 (c)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Suspension arm attachment bracket/mounting insecure swing arm movement (5.3.3 (a) (i)) | 1 |