| Most common failures | No# failures |
|---|
| Registration plate issues | 68 |
| Rear reflector missing (4.8.2 (a) (ii)) | 38 |
| Rear reflector on motorcycle missing |1.4.1| | 35 |
| Registration plate lamp issues | 28 |
| Headlamp aim out of alignment | 26 |
| Rear reflector missing |4.8.2 |a| |ii|| | 17 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 10 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Front Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 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 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Rear Footrest missing (6.2.12 (a)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Stop lamp not working Adjusted to bring into range (4.3.1 (a) (ii)) | 1 |
| Front Brake disc fractured both left and right hand (1.1.14 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp incorrect colour |4.1.4 |a|| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Exhaust has part of the system missing muffler pipe securing spring missing |7.1.1a| | 1 |
| Brake lever has restricted free movement Brake applied on full lock, binding on bodywork (1.1.15 (e)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front Lower Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Brake hose damaged | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front position lamp missing Both sides |1.1.1a| | 1 |
| Offside Front Engine mounting/bracket missing Mount bolt missing |6.1.8 |a| |ii|| | 1 |
| Rear Footrest missing Both footrest missing |6.2.12 |a|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Front Lower Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Horn control not functioning. no horn switch fitted |1.7.2b| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition std can fitted time test (8.1.1 (a)) | 1 |
| Nearside Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Headlamp incorrect colour Blue light (4.1.4 (a)) | 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 Brake disc significantly and obviously worn excessive run out on rear disc (1.1.14 (a) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Wheel fixing missing (multiple fixings) wheel spindle clamp (5.2.1 (a) (i)) | 1 |
| Offside Front Brake disc|s| excessively scored Offside disk has a big groove cut into it, looks like from an angle grinder. |3.2.A1l| | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Shock absorber has a serious fluid leak Both forks leaking (5.3.2 (b)) | 1 |
| Nearside Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Central Front Lower Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Lower Suspension rod pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp lens seriously defective frosted and not clear (4.1.1 (b) (ii)) | 1 |
| Offside Front Steering operation fouling on the fuel tank or bodywork on full lock handlebars trapping hands on right hand lock. lockstop bent (2.1.4 (b)) | 1 |
| Steering damper in such a condition that the steering action is adversely affected steering very stiff (2.1.4 (d) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock very stiff (2.1.4 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no beam pattern visible (4.1.2 (a)) | 1 |
| Stop lamp not working when the rear brake is applied |4.3.1 |a| |ii|| | 1 |
| Rear Rear reflector missing rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect bulb fitted incorrectly (4.1.2 (c)) | 1 |
| Central Rear Upper Rear reflector missing rear reflector missing - added new reflector a required (4.8.2 (a) (ii)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Lower Suspension component pin or bush excessively worn Excessive freeplay and knock from lower suspension bush|or bushes| |5.3.4 |a| |i|| | 1 |
| Rear Rear reflector missing fitted rear reflector (4.8.2 (a) (ii)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Brake lever has insufficient reserve travel FRONT AND REAR |1.1.2 |a|| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing excessively stiff or notchy Notchy |2.2.2 |f| |i|| | 1 |
| Offside Front Footrest insecure |6.2.12 |a|| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Fork yoke excessively deformed FORK STOP DAMAGED O/S |2.2.2 |d| |i|| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking on full lefthand lock |6.2.7 |a| |i|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Nearside Front Lower Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Lower Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Nearside Front Lower Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Offside Front Lower Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fork yoke insecure |2.2.2 |d| |i|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Stop lamp not working switch unplugged |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear reflector missing Replaced PRS (4.8.2 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain excessively tight adjusted (6.1.7 (k) (i)) | 1 |
| Rear reflector missing rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |