| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Registration plate lamp issues | 17 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 12 |
| Registration plate issues | 11 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 11 |
| Front Brake excessively binding (1.2.1 (f)) | 8 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 7 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 6 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 5 |
| Front Brake excessively binding |1.2.1 |f|| | 5 |
| Riders seat insecure (6.2.5 (a) (ii)) | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 3 |
| Front Brake grabbing severely (1.2.1 (c)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Stop lamp not working from front brake (4.3.1 (a) (ii)) | 2 |
| Front Shock absorber has a serious fluid leak both (5.3.2 (b)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Stop lamp not working not working from front brake control (4.3.1 (a) (ii)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Brake grabbing severely (1.2.1 (c)) | 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 |
| Headlamp aim not tested Due to being insecure (4.1.2 (b)) | 1 |
| Throttle operating incorrectly Sticks (6.2.7 (a) (i)) | 1 |
| Exhaust silencer insecure Mounting missing (8.1.1 (b) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork seal leaking (5.3.2 (b)) | 1 |
| Rear Stop lamp not working Intermittent. (4.3.1 (a) (ii)) | 1 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly throttle not returning correctly (6.2.7 (a) (i)) | 1 |
| Nearside Headlamp insecure (4.1.1 (c)) | 1 |
| Front Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected revving too high causing bike to move by itself (6.2.7 (a) (ii)) | 1 |
| Lower Steering headbearing excessively stiff or notchy notchy bottom bearings (2.2.2 (f) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Steering headbearing has excessive wear or free play With weight on wheel (2.2.2 (f) (i)) | 1 |
| Front Stop lamp not working front brake switch not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam Main beam not working (4.1.1 (a) (ii)) | 1 |
| Rear Brake caliper leaking and braking performance affected |1.1.16 |b| |ii|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Engine mounting/bracket excessively loose |6.1.8 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls right hand operation (4.3.2 (a) (iii)) | 1 |
| Offside Front Headlamp insecure mounting points broken needs securing or replacing (4.1.1 (c)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected control hub moves freely is not secure (6.2.7 (a) (ii)) | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Direction indicator light intensity significantly reduced All 4 don???t flash (4.4.3 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Upper Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Engine mounting/bracket excessively loose engine mount bushes split (6.1.8 (a) (ii)) | 1 |
| Brake excessively binding Front brakes (1.2.1 (f)) | 1 |
| Brake indicates excessive fluctuation of brake effort Front (1.2.1 (e)) | 1 |
| Brake hose excessively deteriorated | 1 |
| Exhaust system insecure Fouling rear wheel (6.1.2 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working Front brake light/switch intermittent. (4.3.1 (a) (ii)) | 1 |
| Front Lower Brake hose excessively damaged (1.1.12 (b) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake grabbing severely master cyl piston needs lube (1.2.1 (c)) | 1 |
| Nearside Rear Footrest insecure bolt missing (6.2.12 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |b|| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Central Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Valve stem seriously damaged perrished around base (5.2.3 (j)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 1 |
| All direction indicators adversely affected by the operation of another lamp No battery voltage at low speed, horn @ flashers very affected. (4.4.3 (b)) | 1 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Throttle operating incorrectly Sticking on (6.2.7 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak fork (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork (5.3.2 (b)) | 1 |
| Stop lamp not working off front brake (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Forks excessively corroded Both |2.2.2 |d| |i|| | 1 |
| Stop lamp not working on rear handlebar lever |4.3.1 |a| |ii|| | 1 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |