| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 81 |
| Rear reflector missing (4.8.2 (a) (ii)) | 55 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 27 |
| Stop lamp remains on when the brakes are released | 25 |
| Registration plate lamp issues | 24 |
| Registration plate issues | 13 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 12 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 7 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 7 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 7 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Offside Rear Footrest missing (6.2.12 (a)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 5 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 4 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| 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)) | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| 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)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Footrest missing (6.2.12 (a)) | 3 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Rear Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 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 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Front Footrest insecure (6.2.12 (a)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Offside Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Brake lever excessively worn bent to excess (1.1.15 (b)) | 1 |
| Offside Rear Brake lever excessively worn bent to excess (1.1.15 (b)) | 1 |
| Offside Front Direction indicator not working damaged (4.4.1 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail worn to excess (6.1.7 (c) (ii)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced l plate covering (4.4.3 (a)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake performance not tested LIKELY TO CAUSE FURTHER DAAMAGE (1.2.1 (g)) | 1 |
| Central Rear Drive chain sprocket so loose it is likely to fail Drive Chain Excessively Loose (6.1.7 (c) (ii)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play Top Headstock Bearing Loose Or Worn (2.2.2 (f) (i)) | 1 |
| Offside Rear Wheel fixing loose (single fixing) wheel adjuster (5.2.1 (a) (ii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Nearside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock Lock stop broken on offside (2.1.4 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Position lamp switch insecure (4.2.2 (b)) | 1 |
| All direction indicators not working R/H/FRONT INDICATOR NOT OPERATING. (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working R/H/REAR INDICATOR NOT OPERATING. (4.4.1 (a) (ii)) | 1 |
| Rear Stop lamp not working not working on both controls (4.3.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail Replaced at test (6.1.7 (c) (ii)) | 1 |
| Front Drive chain sprocket worn to excess Hooked replaced at test (6.1.7 (c) (i)) | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Brake cylinder operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Drive chain worn to excess links are seized (6.1.7 (c) (i)) | 1 |
| Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Handlebar grip insecure to handlebar both (2.2.1 (d) (ii)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Throttle operating incorrectly throttle sticks, wont freely return on its own (6.2.7 (a) (i)) | 1 |
| Throttle operating incorrectly Sticky (6.2.7 (a) (i)) | 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 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Front Throttle operating incorrectly throttle not releasing ,sticking on. (6.2.7 (a) (i)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering steering stop broken. (6.1.1 (a) (ii)) | 1 |
| Nearside Rear Lower Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect led bulb fitted no beam image (4.1.2 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Front brake switch not working correctly. (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Front mudguard mounting, nearside. (6.1.1 (b) (i)) | 1 |
| Footrest missing both pass foot pegs missing (6.2.12 (a)) | 1 |
| Front Steering linkage locking device ineffective hand-guards/lever protectors hitting the windscreen both ends (2.1.3 (d)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn Swingarm Bearing (5.3.4 (a) (i)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort front discs showing excessive fluctuation(warped) on roller brake tester (1.2.1 (e)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment bent forwards (1.1.15 (f)) | 1 |
| Rear Brake master cylinder defective but brake still operating (1.1.10 (b) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Shock absorber has a serious fluid leak nearside front fork (5.3.2 (b)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected (2.2.1 (a) (ii)) | 1 |
| Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Front Brake lagging in operation Feels spongy. (1.2.1 (d)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Nearside Fork yoke in such a condition that steering control is adversely affected Steering lock stop damaged. (2.2.2 (d) (ii)) | 1 |
| Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Headlamp incorrect colour both covers removed in rear box (4.1.4 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake not illuminating lamp (4.3.2 (a) (iii)) | 1 |
| Rear Brake lever pivot excessively tight Rear brake pedal doesnt return. (1.1.1 (a)) | 1 |
| Stop lamp not working CONTROL 2 (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding pedal seized (1.2.1 (f)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Footrest missing Both rear footrests missing. (6.2.12 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Footrest missing (6.2.12 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Upper Fork yoke insecure upper yoke not secured to forks. (2.2.2 (d) (i)) | 1 |
| Rear Footrest missing fitted for mot (6.2.12 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Inoprative (4.3.2 (a) (iii)) | 1 |
| Rear Footrest missing Both LH and RH (6.2.12 (a)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 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 |
| Footrest insecure Split pins missing from footrests. (6.2.12 (a)) | 1 |
| Steering operation restricted in free movement from lock to lock Clutch cable (2.1.4 (c)) | 1 |
| Brake performance not tested Front pads <1.00mm (1.2.1 (g)) | 1 |
| Rear Rear reflector missing FITTED DURING TEST (4.8.2 (a) (ii)) | 1 |
| Offside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Handlebar restricted in free movement from lock to lock Handlebar touching tank (2.1.4 (c)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Stop lamp not working not working from front lever (4.3.1 (a) (ii)) | 1 |
| Nearside Drive chain excessively loose drive chain loose (6.1.7 (c) (i)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticking in open positin (6.2.7 (a) (ii)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp not working when front brakes applied (4.3.1 (a) (ii)) | 1 |
| Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Central Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Direction indicator with a multiple light source more than 1/2 not functioning Riders, front left indicator. (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Handlebar excessively deformed benyt (2.2.1 (c) (i)) | 1 |
| Offside Rear Brake pedal anti-slip provision missing Anti slip rubber missing (1.1.2 (c)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |