| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 37 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 22 |
| Registration plate issues | 16 |
| Front Brake excessively binding (1.2.1 (f)) | 12 |
| Rear Brake excessively binding (1.2.1 (f)) | 11 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 10 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 10 |
| Registration plate lamp issues | 7 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| 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)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Rear Position lamp not working (4.2.1 (a)) | 5 |
| Headlamp aim out of alignment | 5 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 4 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Front Footrest insecure (6.2.12 (a)) | 3 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Nearside Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 2 |
| Front Brake excessively binding circa 20 KgF (1.2.1 (f)) | 1 |
| Rear Brake excessively binding circa 25 KgF (1.2.1 (f)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Stop lamp not working switch (4.3.1 (a) (ii)) | 1 |
| Offside Rear Wheel spindle locking device ineffective securing nut end of swing arm loose (5.2.1 (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 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Nearside Front Engine mounting/bracket missing mounting bolt missing (6.1.8 (a) (ii)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Handlebar excessively deformed (2.2.1 (c) (i)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced right hand tank pannel insecure (6.1.1 (b) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Rear Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Drive chain worn to excess links seized (6.1.7 (c) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition no baffle fitted (8.1.1 (a)) | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Wheel bearing has excessive play sprocket bearing worn (5.1.3 (a) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly Bar end weight preventing correct throttle operation. (6.2.7 (a) (i)) | 1 |
| Brake grabbing severely Brake lever pivot sticking (1.2.1 (c)) | 1 |
| Brake indicates excessive fluctuation of brake effort (30) fluctuation (1.2.1 (e)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Front Valve stem seriously misaligned (5.2.3 (j)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 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 Steering headbearing excessively stiff or notchy Stiff and notchy (2.2.2 (f) (i)) | 1 |
| Rear Drive chain worn to excess Massive tight and loose spots (6.1.7 (c) (i)) | 1 |
| All direction indicators not working Indicators stop working when bike revs up (4.4.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play free play (2.2.2 (f) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Fuel cap ineffective no key to oped cap (6.1.3 (b) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Rear Stop lamp not working Front Control (4.3.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy **notchy ** (2.2.2 (f) (i)) | 1 |
| Offside Front Lower Brake excessively binding front brake excessively binding (1.2.1 (f)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Riders seat missing (6.2.5 (a) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Steering headbearing excessively stiff or notchy head bearings self centers (2.2.2 (f) (i)) | 1 |
| Front Brake hose leaking (1.1.12 (c)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Fuel cap ineffective Will not unlock (6.1.3 (b) (i)) | 1 |
| Front Lower Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Footrest insecure front right hand (6.2.12 (a)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Central Rear Brake excessively binding (1.2.1 (f)) | 1 |