| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 65 |
| Rear reflector missing (4.8.2 (a) (ii)) | 28 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 17 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 16 |
| Front Position lamp not working (4.2.1 (a)) | 15 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 13 |
| Rear reflector missing |4.8.2 |a| |ii|| | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Rear Brake excessively binding (1.2.1 (f)) | 8 |
| Stop lamp remains on when the brakes are released | 8 |
| Rear Brake grabbing severely (1.2.1 (c)) | 7 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 6 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Registration plate lamp issues | 6 |
| Registration plate issues | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 5 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Footrest missing (6.2.12 (a)) | 4 |
| Offside Rear Footrest missing (6.2.12 (a)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Front Position lamp not working |4.2.1 |a|| | 4 |
| Headlamp insecure (4.1.1 (c)) | 4 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| All position lamps not working (4.2.1 (a)) | 3 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 3 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 3 |
| Front Brake grabbing severely |1.2.1 |c|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 3 |
| 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)) | 3 |
| Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 2 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 2 |
| Front Brake grabbing severely master cylinder piston needs lube (1.2.1 (c)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Front Horn not working (7.7 (a)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 2 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Front Brake grabbing severely (1.2.1 (c)) | 1 |
| Nearside Rear 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 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Stop lamp not working rear brake (4.3.1 (a) (ii)) | 1 |
| Nearside Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Upper Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock Steering stop broken and not working on either left or right lock |2.1.4 |b|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake linkage excessively corroded (1.1.15 (b)) | 1 |
| Stop lamp adversely affected by the operation of another lamp front and rear (4.3.3 (b)) | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock bars fouling fuel tank both sides (2.1.4 (b)) | 1 |
| Brake rod insecure no split pin in brake rod (1.1.15 (c)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Rear Brake rod insecure split pin missing (1.1.15 (c)) | 1 |
| Offside Rear Wheel spindle locking device ineffective nuts loose, damaged thread (5.2.1 (d)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Front Lower Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Lower Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Upper Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Lower Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working wire disconnected on front brake stop switch (4.3.1 (a) (ii)) | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Drive chain worn to excess chain to tight |6.1.7 |c| |i|| | 1 |
| Rear Shock absorber has negligible damping effect Extremely soft & bottoming out (5.3.2 (b)) | 1 |
| Central Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases Leaking from split by cylinder head joint |6.1.2 |a|| | 1 |
| Rear Suspension arm ball joint excessively worn Swinging arm bushes |5.3.4 |a| |i|| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Upper Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Brake fluid contaminated |1.8 |a|| | 1 |
| Front Position lamp not working side light not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working front stop lamp intermittent (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal has inadequate reserve travel seized does not return by itself |3.1.3b| | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected no slack in cable. (6.2.7 (a) (ii)) | 1 |
| Nearside Front Shock absorber insecurely attached top fork bolt lose (5.3.2 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak both fork seals |5.3.2 |b|| | 1 |
| Nearside Handlebar excessively deformed |2.2.1 |c| |i|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest insecure |6.2.12 |a|| | 1 |
| Front Shock absorber has a serious fluid leak n/s and o/s |5.3.2 |b|| | 1 |
| Brake rod has restricted free movement Rear brake sticking on in operation, have to manually pull rear brake lever up to release brake. |1.1.15 |e|| | 1 |
| Suspension component pin or bush excessively worn Main swing arm
NUT missing (5.3.4 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak R/H fork (5.3.2 (b)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Fork seals (5.3.2 (b)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Shock absorber has a serious fluid leak Both sides (5.3.2 (b)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Engine mounting/bracket bracket missing (6.1.8 (a) (ii)) | 1 |
| Offside Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Throttle operating incorrectly affected with steering |6.2.7 |a| |i|| | 1 |
| Brake caliper insecurely mounted and braking performance affected bush on front caliper has excess play (1.1.16 (c) (ii)) | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Brake excessively binding foot (1.2.1 (f)) | 1 |
| Offside Front Lower Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Rear 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 |
| Front Position lamp not working Side ligh (4.2.1 (a)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Stop lamp not working comes on then goes out (4.3.1 (a) (ii)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim not tested defective bulb-no pattern (4.1.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Front Shock absorber has a serious fluid leak **** probably wont seal fork pitted **** (5.3.2 (b)) | 1 |
| Front Suspension component modified so the suspension is inoperative very limited travel (5.3.3 (c) (ii)) | 1 |
| Front Wheel more than one fixing loose spindle loose (5.2.1 (a) (ii)) | 1 |
| Offside Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Brake disc contaminated fork oil on disk (1.1.14 (b)) | 1 |
| Position lamp switch allows the rear position lamp to be switched off when the headlamp(s) are on (4.2.2 (a)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake component insecure (1.1.21 (c)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Steering operation linkage fouling when handlebars turned from lock to lock engine speed changes on lock to lock test (2.1.4 (a)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |
| Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Drive chain excessively loose |6.2.1d| | 1 |
| Offside Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Nearside Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Stop lamp not working when rear brake is applied |4.3.1 |a| |ii|| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen Bulb appears to be incorrectly fitted (4.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls Rear brake lamp switch operates intermittently (4.3.2 (a) (iii)) | 1 |
| Clutch lever bent so it cannot be readily operated bolt missing (6.2.7 (b)) | 1 |
| Front 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 Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Steering linkage component deformed (2.1.3 (c) (i)) | 1 |
| Rear Suspension arm attachment bracket/mounting insecure Rear swinging arm pivot loose causing excessive radial play,Repaired at station,. (5.3.3 (a) (i)) | 1 |
| Suspension arm attachment bracket/mounting insecure swinging arm (5.3.3 (a) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 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 Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling wheel |2.4 |a|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Rear Stop lamp not working brake pedal application (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect faulty bulb? (4.1.2 (c)) | 1 |
| Rear Suspension arm pin or bush excessively worn swingarm-might be loose bolt (5.3.4 (a) (i)) | 1 |
| Nearside Rear Footrest insecure plate loose (6.2.12 (a)) | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen No beam pattern displayed just a blur (4.1.2 (a)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Footrest missing Both rear (6.2.12 (a)) | 1 |
| Steering headbearing excessively stiff or notchy notchy (2.2.2 (f) (i)) | 1 |
| Front Shock absorber has a serious fluid leak Both front fork seals leaking (5.3.2 (b)) | 1 |
| Rear Brake excessively binding Rear brake does not release (1.2.1 (f)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Motorcycle structure modified such that structural rigidity is significantly reduced (6.1.1 (d) (i)) | 1 |
| Offside 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 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail Chain is tight in spots and loose in others (6.1.7 (k) (ii)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake grabbing severely rear brake grabbing and dragging (1.2.1 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel slightest touch locks wheel and brake drags (1.1.2 (a)) | 1 |
| Headlamp aim not tested headlight not working (4.1.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls not operating from front brake switch (4.3.2 (a) (iii)) | 1 |
| Exhaust has a major leak of exhaust gases blowing from head exhaust very rusty (6.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush likely to become detached swing arm bushes excess play |5.3.4 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases ********** rotten and blowing *********** (6.1.2 (a)) | 1 |
| Headlamp aim not tested *** aftermarket bulb fitted-no detectable pattern *** (4.1.2 (b)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure backrest (6.1.1 (b) (i)) | 1 |
| Central Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake linkage excessively corroded brake not releasing correctly (1.1.15 (b)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake pedal pivot has excessive free play (1.1.1 (b)) | 1 |
| Offside Front Upper Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |