| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 16 |
| Headlamp aim out of alignment | 11 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Registration plate issues | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Clutch lever positioned so it cannot be readily operated (6.2.7 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake light switch |1.3.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Nearside 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 |
| Offside 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 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Drive chain excessively tight (6.2.1d) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.5.1) | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Handlebar excessively deformed |2.2.1 |c| |i|| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle operating incorrectly grip loose |6.2.1f| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake lagging in operation (1.2.1 (d)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride gear lever |6.2.1h| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake pipe connection leaking (1.1.11 (b)) | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Upper Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp incorrect colour side lights |1.2.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Outer Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected Brake pedal bent, sticking on frame bracket |1.1.2 |b| |ii|| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Shock absorber has a serious fluid leak both forks leaking (5.3.2 (b)) | 1 |
| Front Brake disc contaminated both (1.1.14 (b)) | 1 |
| Chain guard insecure |6.1.7 |i|| | 1 |
| Front Brake disc contaminated contaminated with fork oil (1.1.14 (b)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp not working when rear brake applied |4.3.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |