| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Registration plate lamp issues | 14 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 10 |
| Front wheel bearings are excessively rough |2.3.5b| | 10 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Front wheel bearings have excessive free play |2.3.5b| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 7 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 6 |
| Registration plate issues | 5 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear position lamp damaged and function impaired |1.1.1b| | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Stop lamp does not emit a steady light |1.3.1b| | 2 |
| Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| 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 Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 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 |
| Offside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake caliper|s| insecure new bolts fitted |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies new bulb fitted |1.3.1a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Exhaust mounting does not fully support the exhaust system bottom support brackets broken |7.1.1.c| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Upper Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Upper Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Lower Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders operation of the controls |2.1.2b| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front And Rear |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. bottoms out |2.4.A.3b| | 1 |
| 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 |
| Central Lower Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Centre Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Front Upper Exhaust mounting missing |7.1.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake pedal is inoperative ADJUST HAND BRAKE |3.1.3c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Nearside Stop lamp affected by the operation of another lamp |1.3.2| | 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 |
| Rear position lamp damaged and function impaired (1.1.1b) | 1 |
| Headlamp aim beam image kick up to the offside (1.6) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp light source and lamp not compatible led bulb fitted (4.1.4 (c)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Exhaust silencer insecure x2 bolts loose. (8.1.1 (b) (i)) | 1 |
| Offside Lower Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced fairings insecure. (6.1.1 (b) (ii)) | 1 |
| Rear Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Front Brake lever has insufficient reserve travel touches the bar when pulled in, on roller very close (1.1.2 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Offside Rear Suspension arm corroded and seriously weakened swinging arm, corroded and holed (5.3.3 (b) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp not working Not working from right lever. (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |