| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Horn not working |1.7.3a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Headlamp aim out of alignment | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Offside Rear Footrest missing (6.2.12 (a)) | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Rear Rear wheel has a loose wheel bolt|s| |4.2.3a| | 1 |
| Offside Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake master cylinder severely corroded |3.2.B1b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock catching horn (2.1.4 (b)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Offside Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering Lower Fairing Panel Insecure (6.1.1 (a) (ii)) | 1 |
| Offside Rear Brake pedal not releasing correctly and functionality of brakes affected Rear Brake Pedal Catching On Lower Fairing (1.1.2 (b) (ii)) | 1 |
| Offside Front Upper Motorcycle structure has a fracture which is likely to adversely affect braking or steering Fairing Panel (6.1.1 (a) (ii)) | 1 |
| Offside Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering Headlight Fairing Panel (6.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Motorcycle structure has a fracture which is likely to adversely affect braking or steering Lower Fairing Panel (6.1.1 (a) (ii)) | 1 |
| Nearside Front Upper Motorcycle structure has a fracture which is likely to adversely affect braking or steering Upper Panel (6.1.1 (a) (ii)) | 1 |
| Nearside Front Steering linkage component deformed Gear Selector Linkage Excessively Loose (2.1.3 (c) (i)) | 1 |
| Nearside Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Motorcycle structure is fractured and structural rigidity is significantly reduced Front Fairing Screen Cracked (6.1.1 (a) (i)) | 1 |
| Rear Motorcycle structure has a fracture which is likely to adversely affect braking or steering Under Seat Panels Insecure (6.1.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain sprocket so loose it is likely to fail Rear Sprocket Cush Drive Excessively (6.1.7 (c) (ii)) | 1 |
| Nearside Front Steering operation fouling on the fuel tank or bodywork on full lock Steering Catching on Horn (2.1.4 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Suspension component pin or bush excessively worn Rear Swing Arm Bushes (5.3.4 (a) (i)) | 1 |
| Rear Brake excessively binding Rear Wheel Binding (Chain Excessively Tight ) (1.2.1 (f)) | 1 |
| Front Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Registration plate issues | 1 |
| Rear Suspension arm pin or bush excessively worn SWING ARM BUSHES (5.3.4 (a) (i)) | 1 |
| Rear Suspension component has excessive wear or free play SWINGARM |5.3.3 |d|| | 1 |
| Suspension component likely to fail limited rear suspension travel |5.3.3 |b| |ii|| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Offside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Rear Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Nearside 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 |
| Front Motorcycle structure has a fracture which is likely to adversely affect braking or steering nose cone (6.1.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake caliper|s| insecure nut missing |3.2.A1j| | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Offside Front Brake component modification unsafe flexible brake pipe fouling on fairing on full lock (1.1.21 (d) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Rear Brake locking device missing |3.2.A1e| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel pipe leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Rear Brake caliper inadequately mounted and braking performance affected (1.1.16 (c) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |