| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 63 |
| Registration plate issues | 33 |
| Headlamp aim out of alignment | 30 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 22 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 21 |
| Rear reflector missing |4.8.2 |a| |ii|| | 20 |
| Rear Brake excessively binding (1.2.1 (f)) | 19 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 13 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 13 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 13 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Registration plate lamp issues | 11 |
| Rear Footrest missing (6.2.12 (a)) | 11 |
| Horn not working (7.7 (a) (ii)) | 9 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 9 |
| 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)) | 8 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 8 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 7 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 7 |
| Front Position lamp not working (4.2.1 (a)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Footrest missing (6.2.12 (a)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Front Brake grabbing severely (1.2.1 (c)) | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 5 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 4 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 4 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 4 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 4 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 4 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 3 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 3 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Footrest missing both rear (6.2.12 (a)) | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Rear Brake grabbing severely (1.2.1 (c)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake lagging in operation (1.2.1 (d)) | 2 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Shock absorber has a serious fluid leak BOTH FRONT FORKS |5.3.2 |b|| | 1 |
| Central Rear Lower Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Front Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Rear Shock absorber has an excessively worn bush |5.3.2 |c|| | 1 |
| Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Exhaust has part of the system missing rear box bolt missing |7.1.1a| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level |1.1.10 |d| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Front Brake lever has insufficient reserve travel front brake spongy poor braking effort |1.1.2 |a|| | 1 |
| Central Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Drive chain horseshoe locking device likely to become detached |6.1.7 |j| |ii|| | 1 |
| Front Wheel has bolts/rivets missing or loose to the extent that control of the motorcycle is likely to be adversely affected |5.2.2 |e| |ii|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Suspension arm pin or bush excessively worn swing arm |5.3.4 |a| |i|| | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Nearside Front Wheel more than one fixing loose |5.2.1 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Control 1 |1.1.15 |f|| | 1 |
| Brake lever is so short that the brake cannot be readily applied Control 2 |1.1.2 |d|| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |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 |
| Rear Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Drive chain excessively loose due to slack spot on rear sprocket (6.1.7 (c) (i)) | 1 |
| Brake excessively binding Front brake (1.2.1 (f)) | 1 |
| Drive chain sprocket excessively loose Cush drive worn (6.1.7 (c) (i)) | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp not working when applying rear brake (4.3.1 (a) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Central Rear Stop lamp not working front brake switch had wire off, fixed. (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Front Brake master cylinder reservoir cap missing Cap loose (1.1.10 (e)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working on front brake lever (4.3.1 (a) (ii)) | 1 |
| Front Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Wheel bearing has excessive play front and rear (5.1.3 (a) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Front 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 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Footrest insecure Right side rider - Loosely fitted, no spring, rotated 90 degrees, wrong side fitted (6.2.12 (a)) | 1 |
| Rear Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Central Front Lower Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Central Front Lower Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Drive chain horseshoe locking device likely to become detached (HORSESHOE CLIP MISSING) (6.1.7 (j) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Footrest missing passenger foot rests taken off , no passenger grabrail or strap fitted (6.2.12 (a)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Drive chain sprocket excessively loose CUSH DRIVE RUBBERS (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has negligible damping effect No rebound damping (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak Both fork seals leaking (5.3.2 (b)) | 1 |
| Front Wheel alignment incorrect which adversely affects the handling Front wheel not straight when handlebars are. (2.4 (a)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Lower Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected brake binding (1.1.16 (e) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp aim not tested dip beam not working (4.1.2 (b)) | 1 |
| Nearside Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Drive chain sprocket excessively loose CUSH DRIVE WORN EXCESSIVELY (6.1.7 (c) (i)) | 1 |
| Front Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Central Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake lever excessively worn (1.1.15 (b)) | 1 |
| Front Shock absorber has a serious fluid leak BOTH (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect BOTH (5.3.2 (b)) | 1 |
| Nearside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working rear pedal (4.3.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Central Front Lower Shock absorber has a serious fluid leak both fork seals leaking (5.3.2 (b)) | 1 |
| Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Suspension arm pin or bush excessively worn spindle nut loose (5.3.4 (a) (i)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted missing. (6.1.7 (j) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Footrest missing Pillion pegs missing and no hand hold available. (6.2.12 (a)) | 1 |
| Offside Steering linkage locking device ineffective (2.1.3 (d)) | 1 |
| Rear Footrest missing Pillion foot rests missing (6.2.12 (a)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Rear Footrest missing x2 (6.2.12 (a)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Rear Shock absorber likely to become detached Top mounting bolt loose (5.3.2 (a) (ii)) | 1 |
| Front Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Drive chain excessively tight chain links siezed (6.1.7 (k) (i)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Nearside Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Footrest missing Pillion (6.2.12 (a)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Rear Footrest missing REAR SEAT FITTED (6.2.12 (a)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure L Plate (6.1.1 (b) (i)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Brake disc significantly and obviously worn Has excessive run out (1.1.14 (a) (i)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Front Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Handlebar mounting insecure bushes (2.2.1 (a) (i)) | 1 |
| Steering linkage locking device missing (2.1.3 (d)) | 1 |
| Offside Front Steering operation linkage fouling when handlebars turned from lock to lock (2.1.4 (a)) | 1 |
| Nearside Handlebar retaining device missing (2.2.1 (b) (i)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock r/h (2.1.4 (b)) | 1 |
| Throttle operating incorrectly throttle assembly loose (6.2.7 (a) (i)) | 1 |
| Handlebar retaining device loose bars loose in clamps (2.2.1 (b) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |