| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Drive chain worn to excess |6.2.1e| | 8 |
| Drive chain excessively loose |6.2.1d| | 7 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Registration plate issues | 4 |
| Nearside Rear Footrest missing |6.2.1a| | 3 |
| Offside Rear Footrest missing |6.2.1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Registration plate lamp issues | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Rear Seat insecure |6.2.1a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Handlebar deformed |2.1.1b| | 2 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear 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 Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp light intensity severely reduced Dip beam (4.1.4 (a)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Brake lever excessively chafed |3.2.A1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Rear sprocket loose |6.2.1h| | 1 |
| Brake performance not tested |3.3| | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Nearside Rear Footrest missing seized up (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing seized up (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Roller brake test indicates a sticking brake rear brake is sticking |3.3.A1a| | 1 |
| Direction indicator not working all 4 indicators failed to work when switch operated |1.5.1c| | 1 |
| Indicator switch insecure nearside switchgear not in a fixed position, rotates on bar and pass button can be pressed when clutch lever is pulled. |1.5.4| | 1 |
| Rear Footrest missing both pillion pegs |6.2.1a| | 1 |
| Nearside Handlebar deformed left handlebar bent |2.1.1b| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Drive chain excessively loose excessively loose at loose spot,but ok at tight spot,chain needs to be replaced |6.2.1d| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar deformed bent |2.1.1b| | 1 |
| Indicator switch insecure nearside switchgear insecure |1.5.4| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear sprocket bolt missing and 1 bolt loose. |6.2.1h| | 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 |
| Nearside Wheel alignment incorrect which adversely affects the handling 30mm |2.5.1| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Nearside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake performance not tested Rear brake inoperative, affecting readings for Front brake also. (1.2.1 (g)) | 1 |
| Front Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Nearside Front Direction indicator not working Other indicators ONLY working with engine running. (4.4.1 (a) (ii)) | 1 |
| Direction indicator likely to become detached Both Left indicators loose, front and rear. (4.4.1 (c) (ii)) | 1 |
| Fuel cap ineffective Key supplied did not open fuel cap lock. (6.1.3 (b) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced Rear seat cowling insecure! (6.1.1 (b) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle housing worn and loose! (6.2.7 (a) (ii)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Steering lock stop maladjusted stop bolt missing |2.1.3| | 1 |
| Offside Handlebar fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Central Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front shock absorber seal failed and leaking oil L/H |2.3.3| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Offside Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |