| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Registration plate lamp issues | 19 |
| Registration plate issues | 17 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 6 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Nearside Front Direction indicator insecure |1.5.3b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 2 |
| 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| | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls rear brake light switch not operating (4.3.2 (a) (iii)) | 1 |
| Stop lamp not working when operated by foot pedal (4.3.1 (a) (ii)) | 1 |
| Front Brake grabbing severely Brake Lever sticking on pivot (1.2.1 (c)) | 1 |
| Offside Front Steering lock stop missing |2.1.3| | 1 |
| Exhaust excessively deteriorated exhaust clamp |7.1.1a| | 1 |
| Nearside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Offside Front All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork leg pissing oil out of front n/s fork leg |5.3.2 |b|| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls fairing applies front brake on full left lock |2.1.2b| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Stop lamp not working rear stop light switch not wire in |4.3.1 |a| |ii|| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Footrest insecure (6.2.12 (a)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp not working rear control (4.3.1 (a) (ii)) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front position lamp incorrect colour both |1.1.2a| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Steering operation impeded by a fairing hand guards come into contact with fairing (2.1.4 (e)) | 1 |
| Headlamp switch faulty Switch does not operate main beam, Pass light switch not working |1.2.4| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies Rear brake light IN-OP |1.3.1a| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front shock absorber seal failed and leaking oil l/h fork |2.3.3| | 1 |
| Drive chain excessively loose adjusted |6.2.1d| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Plate brake test indicates a sticking brake |3.3.B1a| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Stop lamp not working Linkage to brake pedal disconnected. (4.3.1 (a) (ii)) | 1 |
| Offside Front Upper Stop lamp not working front brake light switch not working (4.3.1 (a) (ii)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear reflector missing rear |4.8.2 |a| |ii|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake lever has insufficient reserve travel front brake lever worn (1.1.2 (a)) | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Brake cylinder has no reserve travel and braking performance affected Suspect air in front brake system |1.1.16 |e| |ii|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Stop lamp not working Foo brakekight not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Shock absorber has a serious fluid leak fork oil seal leaking (5.3.2 (b)) | 1 |
| Shock absorber has a serious fluid leak o/s/f fork leg |5.3.2 |b|| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Exhaust system insecure silencer clamp missing (6.1.2 (a)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly Throttle sticks open with steering turned to right (6.2.7 (a) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned spacing less than 180mm (4.4.3 (a)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls does not work on front or rear brake (4.3.2 (a) (iii)) | 1 |
| Brake lever pivot excessively tight rear lever is siezed solid and does not apply any braking (1.1.1 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Footrest missing pilion (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Drive chain fouling another component Chain link broken |6.2.1d| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Throttle operating incorrectly sticking ( will not shut off when released) (6.2.7 (a) (i)) | 1 |