| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Steering headbearing has excessive free play |2.2.2| | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Registration plate lamp issues | 8 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Registration plate issues | 7 |
| Stop lamp remains on when the brakes are released | 7 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 7 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 6 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 6 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Front Brake excessively binding (1.2.1 (f)) | 5 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 5 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 3 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front suspension has inadequate damping effect. |2.3.6c| | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 3 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Brake lever is bent and the brake cannot be readily applied (1.1.2 (d)) | 3 |
| Headlamp insecure (4.1.1 (c)) | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Front Brake disc contaminated |1.1.14 |b|| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Stop lamp not working both (4.3.1 (a) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Front Headlamp light intensity severely reduced (4.1.4 (a)) | 2 |
| Rear reflector on sidecar insecure |1.4.2c| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel cap missing |7.2.2a| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension bearing has excessive free play engine swinging arm linkage |2.4.A2a|i|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Suspension component has excessive wear or free play |5.3.3 |d|| | 1 |
| Front Roller brake test indicates a sticking brake the front brake does not release fully after being applied |3.3.A1a| | 1 |
| Indicator switch defective does not always work on both sides |1.5.4| | 1 |
| Rear Brake lever has insufficient reserve travel shoes were worn to excess |1.1.2 |a|| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Offside Rear Rear position lamp missing |1.1.1a| | 1 |
| Suspension component pin or bush excessively worn Engine mounting rear suspension bush/bearings |5.3.4 |a| |i|| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Rear suspension bearing has excessive free play swinging arm bearings excessive play |2.4.A2a|i|| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. chrome damaged / flaking |2.3.1| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bearing excessively deteriorated engine mounts |2.4A.2a|i|| | 1 |
| Rear suspension bush excessively deteriorated Engine bushes |2.4.A2a|i|| | 1 |
| Rear shock absorber has inadequate damping effect. Shock bottoms out |2.4.A.3b| | 1 |
| Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front shock absorber seal failed and leaking oil Both |2.3.3| | 1 |
| Stop lamp remains on when the brake is released Front |1.3.1e| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies when offside lever applied |1.3.1a| | 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 |
| Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Brake lever attachment screws loose |3.1.2b| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp missing |4.1.1 |a| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp not working front switch |4.3.1 |a| |ii|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play engine |2.4.A2a|i|| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bearing has excessive free play engine pivot cradle |2.4.A2a|i|| | 1 |
| Rear suspension bush excessively deteriorated Rear engine/gearbox mounting bush broken away. |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Rear suspension bearing has excessive free play rear swing arm /engine bearings |2.4.A2a|i|| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Rear All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Suspension component corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Offside Front Exhaust has part of the system missing |7.1.1a| | 1 |
| Offside Front 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 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Decelerometer brake test No brake control achieves an efficiency of 30% |1.2.2 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Direction indicator not working All |4.4.1 |a| |ii|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Rear Brake cable damaged Snapped (1.1.15 (a)) | 1 |
| Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Front Brake disc contaminated colour blue over heated as brake is binding (1.1.14 (b)) | 1 |
| Rear Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| All position lamps not working HIGH BEAM (4.2.1 (a)) | 1 |
| Central Rear Fuel pipe damaged Fuel pipe from fuel tap to carburettor is excessively cracked (6.1.3 (c) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak Front fork seals leaking (5.3.2 (b)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Lower Suspension component pin or bush excessively worn Engine bushes excessively worn (5.3.4 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Brake lever has insufficient reserve travel (1.1.2 (a)) | 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 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Rear Suspension arm insecure and control of the motorcycle impaired (5.3.3 (a) (ii)) | 1 |
| Throttle operating incorrectly scooter dragging forwards (6.2.7 (a) (i)) | 1 |
| Suspension arm attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Forks modification unsafe (2.2.2 (e)) | 1 |
| Nearside Front Brake excessively binding caliper seized, strip and build (1.2.1 (f)) | 1 |
| Offside Front Stop lamp not working front brake switch replaced (4.3.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak replace fork (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak replace fork (5.3.2 (b)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Shock absorber has negligible damping effect both (5.3.2 (b)) | 1 |
| Rear Engine mounting/bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Front Suspension component has excessive wear or free play (5.3.3 (d)) | 1 |
| Brake disc contaminated (1.1.14 (b)) | 1 |
| Throttle operating incorrectly Sticking (6.2.7 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock components fouling & causing sticking on r/h lock (2.1.4 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake caliper inadequately mounted rubber sliding bush missing (1.1.16 (c) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Fork yoke in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Offside Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Suspension damaged and seriously weakened rear bushes excess movement between chassis and motor (5.3.3 (b) (i)) | 1 |
| Rear Suspension attachment bracket/mounting insecure (5.3.3 (a) (i)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Brake performance not tested DUE REAR BRAKE CABLE DAMAGE (1.2.1 (g)) | 1 |
| Rear Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Offside Stop lamp not working on brake leaver (4.3.1 (a) (ii)) | 1 |
| Central Rear Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Fuel hose damaged (6.1.3 (c) (ii)) | 1 |
| Fuel hose leaking (6.1.3 (b) (i)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Offside Stop lamp not working lever (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock L/h Lock (2.1.4 (c)) | 1 |
| Shock absorber has negligible damping effect both fr. fork legs on damping (5.3.2 (b)) | 1 |
| Nearside Steering operation linkage fouling when handlebars turned from lock to lock Steering stop damaged, hitting bodywork/cables on full lock. (2.1.4 (a)) | 1 |