| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate lamp issues | 21 |
| Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Registration plate issues | 14 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 10 |
| Rear Position lamp not working (4.2.1 (a)) | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Stop lamp not working (4.3.1 (a) (ii)) | 6 |
| Rear Position lamp not working |4.2.1 |a|| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Headlamp insecure (4.1.1 (c)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Stop lamp not working |4.3.1 |a| |ii|| | 5 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Rear reflector on motorcycle obscured |1.4.2b| | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 4 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 4 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 3 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front Headlamp insecure (4.1.1 (c)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Exhaust excessively deteriorated |7.1.1a| | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 2 |
| Nearside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Offside Front Direction indicator missing (4.4.1 (a) (ii)) | 2 |
| Rear 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)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak fork seal (5.3.2 (b)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Brake component insecure Rear brake flexy (1.1.21 (c)) | 1 |
| Position lamp showing white light to the rear rear position light and stop light incorrect colour (4.2.3 (a) (ii)) | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface obscured by L plate (4.8.1 (a) (ii)) | 1 |
| Front Exhaust has part of the system missing |7.1.1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Fuel cap missing (6.1.3 (b) (i)) | 1 |
| Rear Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Wheel has loose rivet/s or bolts (5.2.2 (e) (i)) | 1 |
| Wheel alignment incorrect which adversely affects the handling Handlebars not in line with front wheel, also body panels around handlebars not aligned |2.5.1| | 1 |
| Rear wheel bearings have excessive free play Note, no actual wheel bearings are present. Play is in rear transmission. |2.4.A.2c| | 1 |
| Nearside Brake lever is so short and the brake cannot be readily applied left hand/rear brake lever broken/missing |3.1.3c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Central Front Headlamp aim not tested |1.6| | 1 |
| Central Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear reflector missing behind L plate (4.8.2 (a) (ii)) | 1 |
| Brake component insecure rear flexi brake hose insecure (1.1.21 (c)) | 1 |
| Nearside Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Headlamp light intensity severely reduced front fairing with headlight insecure (4.1.4 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Brake lever has insufficient reserve travel rear brake lever touches handle bar with no evidence of brake pressure |1.1.2 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced front fairing insecure |6.1.1 |b| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected sticking (6.2.7 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Headlamp insecure |4.1.1 |c|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Centre Stand Insecure |6.1.1 |b| |i|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Offside Rear Upper 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 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp not working not operating from rear brake lever. (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Stop lamp likely to become detached Broken Mounting (4.3.1 (c) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour WHITE |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour WHITE |1.5.1b| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front panels assy insecure (6.1.1 (b) (i)) | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 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 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced (6.1.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies both brakes |1.3.1a| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear wheel bearings have excessive free play hub bearings badly worn |2.4.A.2c| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Central Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Central Rear Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced rear carrier insecure (6.1.1 (b) (ii)) | 1 |
| Direction indicator not working right hand rear |1.5.1c| | 1 |
| Leg shield insecure and likely to impede the steering left hand lower |2.1.2e| | 1 |
| Leg shield insecure and likely to impede the steering right hand lower |2.1.2e| | 1 |
| Rear Wheel bearing has excessive play Play rear wheel (5.1.3 (a) (i)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Throttle operating incorrectly mounting loose (6.2.7 (a) (i)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Fairings insecure and likely to impede the steering Headlamp insecure in fairing |2.1.2e| | 1 |
| Front Outer Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Direction indicator lens defective such that the emitted light is adversely affected Indicator lense missing (4.4.1 (b) (ii)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 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 Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Brake pedal is bent and the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear reflector on motorcycle obscured L plate! |1.4.2b| | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |