| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 26 |
| Registration plate lamp issues | 23 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 22 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 18 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 15 |
| Registration plate issues | 15 |
| Front Brake excessively binding (1.2.1 (f)) | 10 |
| Horn not working |1.7.3a| | 9 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 8 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 8 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 7 |
| Headlamp insecure |1.2.3b| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 5 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 5 |
| Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Rear Position lamp not working |4.2.1 |a|| | 4 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 4 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Front Position lamp not working (4.2.1 (a)) | 3 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 3 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front Brake disc contaminated (1.1.14 (b)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp not working control 2 |4.3.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp aim not tested head light loose |1.6| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam dip beam bulb |1.2.2a|i|| | 1 |
| Roller brake test indicates a binding brake front |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front shock absorber seal failed and leaking oil leaking over front brake disc and caliper |2.3.3| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease front disc |3.2.A1k| | 1 |
| Brake performance not tested |3.3| | 1 |
| Stop lamp missing |1.3.3a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Nearside Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Upper Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Nearside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front mudguard insecure needs repairing |2.3.7| | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment reserve travel |1.1.15 |f|| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Stop lamp missing |1.3.3a| | 1 |
| Outer Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim headlamp damaged and function impaired not pattern wrong bulb fitted |1.2.3a| | 1 |
| Nearside Upper Rear suspension component loose rear suspension upper retaining bolt coming out |2.4.A.1a| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Horn control not functioning. |1.7.2b| | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Control two (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp not working intermittently working (4.3.1 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged separating (5.2.3 (j)) | 1 |
| Brake disc significantly and obviously worn disc down to 2/5 m/m (1.1.14 (a) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working Brake (4.3.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Brake caliper has no reserve travel and braking performance affected (1.1.16 (e) (ii)) | 1 |
| Offside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected not shutting down (6.2.7 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake drum significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust silencer likely to become detached lower mounting bolt missing (8.1.1 (b) (ii)) | 1 |
| Rear Stop lamp not working Rear brake lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Headlamp insecure adjuster bolt missing (4.1.1 (c)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Shock absorber has negligible damping effect not moving (5.3.2 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Horn not working intermittently (7.7 (a)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Riders seat with a defective supporting structure (6.2.5 (a) (i)) | 1 |