| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Headlamp aim out of alignment | 4 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 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 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake component is excessively corroded front |3.1.5| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Lower Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Brake lever mounting insecure |3.1.2a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Brake component damaged and seriously reduced in strength |3.2.A1| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Nearside Rear Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Centre Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Centre Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Offside Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Nearside Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected grip insecure (6.2.7 (a) (ii)) | 1 |
| Rear Brake lever has insufficient reserve travel Needs adjustment (1.1.2 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |