| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Registration plate issues | 14 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Registration plate lamp issues | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| 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| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 2 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake lever pivot has excessive free play no reserve travel (1.1.1 (b)) | 1 |
| Rear Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust silencer insecure both clamps loose. (8.1.1 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Footrest missing siezed (6.2.12 (a)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 1 |
| Horn not working not working (1.7.3a) | 1 |
| Front Brake excessively binding showing 25kg/f on meter (1.2.1 (f)) | 1 |
| Offside Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Rear Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Stop lamp switch with a delay in operation inop (4.3.2 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Throttle operating incorrectly Sticking (6.2.7 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Offside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear suspension component seized forward link arm corroded |2.4A2a|ii|| | 1 |
| Roller brake test indicates a binding brake rear |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 1 |
| Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp|s| remains on when the brakes are released all |4.3.2 |a| |iii|| | 1 |
| Forks insecure spindle bolt loose (2.2.2 (f) (i)) | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp both rear |1.1.A.3f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Lower Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Stop lamp not working From front brake control (4.3.1 (a) (ii)) | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Suspension arm pin or bush excessively worn Excessive play in swinging arm bearings |5.3.4 |a| |i|| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Throttle operating incorrectly sticking |6.2.1f| | 1 |
| Rear Brake caliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Rear Brake hose leaking (1.1.12 (c)) | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake caliper damaged and braking performance affected fouling offside disc (1.1.16 (a) (ii)) | 1 |
| Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Footrest missing |6.2.1a| | 1 |