| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 10 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 9 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Front Brake excessively binding (1.2.1 (f)) | 7 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 7 |
| Headlamp aim out of alignment | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 6 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 3 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Registration plate issues | 2 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 2 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Rear Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Horn sound not in accordance with requirements HORN NOT LIKELY TO BE HEARD (7.7 (c)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Brake cylinder damaged (1.1.16 (a) (i)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Position lamp not working center light (4.2.1 (a)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect dangerous (5.3.2 (b)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Drive chain so loose it is likely to fail chain guard missing (6.1.7 (c) (ii)) | 1 |
| Front Brake excessively binding dangerous (1.2.1 (f)) | 1 |
| Rear Brake excessively binding dangerous (1.2.1 (f)) | 1 |
| Suspension arm pin or bush excessively worn rear swinging arm bush/bearings excessive play (5.3.4 (a) (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 |
| Offside Front Headlamp aim projected beam image obviously incorrect bulb incorrectly fitted (4.1.2 (c)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering (6.1.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swinging arm (5.3.4 (a) (i)) | 1 |
| Nearside Shock absorber has a serious fluid leak Fork seal (5.3.2 (b)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake caliper inadequately mounted caliper locking tabs not bent over (1.1.16 (c) (i)) | 1 |
| Front Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Suspension component ball joint excessively worn Swing arm bushes (5.3.4 (a) (i)) | 1 |
| Offside Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Suspension component pin or bush excessively worn Swinging Arm Bushes (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Motorcycle structure is fractured and structural rigidity is significantly reduced Fairing Cracked (6.1.1 (a) (i)) | 1 |
| Rear Suspension component has excessive wear or free play Rear Shock Excessively Spongy (5.3.3 (d)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Throttle operating incorrectly Sticking (6.2.7 (a) (i)) | 1 |
| Suspension component has excessive wear or free play Swingarm bushes (5.3.3 (d)) | 1 |
| Headlamp aim not tested Unable to start engine to check headlight aim (4.1.2 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Brake lever pivot excessively tight (1.1.1 (a)) | 1 |
| Rear reflector reflecting white to the rear (4.8.2 (a) (ii)) | 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 |
| Fuel cap ineffective Seal deteriorated (6.1.3 (b) (i)) | 1 |
| Rear Stop lamp not working control not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Central Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Brake caliper damaged locking nut missing (1.1.16 (a) (i)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail CHAIN/SPROCKETS VERY WORN. (6.1.7 (c) (ii)) | 1 |
| Drive chain excessively tight DRIVE CHAIN TIGHT IN OPERATION. (6.1.7 (k) (i)) | 1 |
| Suspension component pin or bush excessively worn REAR SWINGING ARM PIVOT BUSHING HAS EXCESSIVE MOVEMENT. (5.3.4 (a) (i)) | 1 |
| Shock absorber has negligible damping effect REAR DAMPING EFFECT VERY POOR IN OPERATION. (5.3.2 (b)) | 1 |
| Brake hose excessively twisted FRONT BRAKE HOSE ON R/H LOCK CAUSES BRAKE TO OPERATE. (1.1.12 (b) (ii)) | 1 |
| Wheel bearing has excessive play EXCESSIVE PLAY EVIDENT IN REAR WHEEL BEARINGS. (5.1.3 (a) (i)) | 1 |
| Front Brake disc insecure (1.1.14 (a) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Offside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| 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 adjusted rear switch (4.3.2 (a) (iii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Brake disc insecure Caliper not secure on bracket, allowing caliper to rotate with disc. (1.1.14 (a) (ii)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Stop lamp not working When rear brake is applied. (4.3.1 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Nearside Front Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn play in swing arm (5.3.4 (a) (i)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Central Rear Motorcycle structure joining/attachment plate or fastening insecure movement at swingarm mounting point (6.1.1 (b) (i)) | 1 |
| Offside Front Upper Direction indicator not working no offside front indicator working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Upper Direction indicator not working no offside rear indicator working (4.4.1 (a) (ii)) | 1 |
| Brake caliper insecure not lock tabbed (1.1.16 (c) (i)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Suspension arm attachment bracket/mounting insecure swing arm (5.3.3 (a) (i)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Brake caliper insecurely mounted and braking performance affected caliper locking bolt device not folded over main bolts (1.1.16 (c) (ii)) | 1 |
| Headlamp aim not tested couldnt start engine to test headlight (4.1.2 (b)) | 1 |
| Offside Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel hub excessively worn cushdriv rubbers and bearing (5.2.1 (b) (i)) | 1 |
| Footrest missing o/s and n/s rear (6.2.12 (a)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls front switch not working (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Suspension component pin or bush excessively worn swing arm pivot (5.3.4 (a) (i)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn swinging arm (5.3.4 (a) (i)) | 1 |
| Throttle operating incorrectly loose on handlebar (6.2.7 (a) (i)) | 1 |
| All direction indicators not working do not flash (4.4.1 (a) (ii)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Stop lamp not working no operating on foot pedal (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted Wrong way round (6.1.7 (j) (i)) | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Rear Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Suspension arm ball joint excessively worn side to side free play on swing arm (5.3.4 (a) (i)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn swingarm (5.3.4 (a) (i)) | 1 |