| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Steering headbearing has excessive free play |2.2.2| | 17 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 12 |
| Horn not working |1.7.3a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front Steering headbearing has excessive free play |2.2.2| | 7 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 6 |
| Handlebar mounting clamp loose |2.1.1a| | 5 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 5 |
| Registration plate issues | 5 |
| Rear Brake excessively binding (1.2.1 (f)) | 5 |
| Registration plate lamp issues | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Brake hose damaged | 4 |
| Brake hose excessively deteriorated | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Nearside Front Direction indicators not working |1.5.1c| | 3 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 3 |
| Riders seat insecure |6.2.1a| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front Position lamp not working |4.2.1 |a|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering linkage component insecure (2.1.3 (a) (i)) | 2 |
| Rear Brake caliper insecurely mounted and braking performance affected (1.1.16 (c) (ii)) | 2 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 2 |
| Front Headlamp insecure |1.2.3b| | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Front Brake grabbing severely |1.2.1 |c|| | 2 |
| Stop lamp does not illuminate immediately a brake applies not working on front control |1.3.1a| | 1 |
| Headlamp light intensity severely reduced main beam stops on with dip beam (4.1.4 (a)) | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 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 insecure fixing stud at cylinder head missing/broken off |8.1.1 |b| |i|| | 1 |
| Motorcycle structure is so deformed it is likely to adversely affect braking or steering centre stand deformed, likely to catch on road when turning left |6.1.1 |a| |ii|| | 1 |
| Rear Brake pipe likely to be fouled or trapped by moving parts exhaust |3.2.B2c| | 1 |
| Rear Brake hose fouling |3.2.B3b| | 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 Brake component modification unsafe MOUNTING BOLTS (1.1.21 (d) (i)) | 1 |
| Central Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Central Rear Wheel fixing missing |single fixing| |5.2.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake hose fouling inscure |3.2.B3b| | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Upper Riders seat insecure |6.2.1a| | 1 |
| Rear Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Front Horn missing |1.7.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust has part of the system missing strap broken |7.1.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.2b| | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Brake caliper|s| insecure sliding pin and hole in caliper worn to excess. |3.2.A1j| | 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 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Throttle operating incorrectly lock to lock increases tick over |6.2.7 |a| |i|| | 1 |
| Rear Brake caliper inadequately mounted |1.1.16 |c| |i|| | 1 |
| Throttle operating incorrectly loose on handlebars |6.2.1f| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear |1.3.1a| | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake switch |1.3.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Stop lamp not working front operated (4.3.1 (a) (ii)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Offside Rear Rear suspension component loose The bracket connected to the rear shocker has both mounting bolts snapped off... |2.4.A.1a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Offside Rear Rear suspension component misaligned securing bolt missing |2.4.A.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear suspension bush has excessive free play engine pivot bushes |2.4.A2a|i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Upper Shock absorber likely to become detached bolt missing |5.3.2 |a| |ii|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure airbox insecure |6.1.1 |b| |i|| | 1 |
| Valve stem seriously damaged Front wheel (5.2.3 (j)) | 1 |
| Shock absorber has a serious fluid leak Both fork seals (5.3.2 (b)) | 1 |
| Brake excessively binding Rear wheel (1.2.1 (f)) | 1 |
| Brake effort inadequate at a wheel Rear wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Handlebar mounting clamp bolt loose Strip All Necessary Plastic Fairing to Gain Access to Steering Clamp Bolt Which was Loose and Tighten! |2.1.1a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Nearside control (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on battery flat so no test could be carried out, battery replaced and then tested. |1.1.3a| | 1 |
| Rear Brake lever excessively worn (1.1.15 (b)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Brake lever is inoperative |3.1.3c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Offside Rear Direction indicator obscured |1.5.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Nearside Front Front suspension assembly component excessively corroded. |2.3.1| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Front Brake hose leaking fluid |3.2.B4| | 1 |
| Offside Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Stop lamp does not illuminate immediately a brake applies Front Brake Lever |1.3.1a| | 1 |
| Brake pipe excessively corroded | 1 |
| Front suspension assembly component excessively misaligned handle bars |2.3.1| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Stop lamp remains on when the brake is released brake |1.3.1e| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies brake |1.3.1a| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim not tested none fitted |1.6| | 1 |
| Rear Fairings insecure and likely to impede the steering fender |2.1.2e| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Handlebar retaining device loose |2.2.1 |b| |i|| | 1 |
| Rear Brake lagging in operation |1.2.1 |d|| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Front Direction indicator obscured |1.5.1a| | 1 |
| Nearside Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Nearside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing pad locating |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake applied |1.3.1a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Stop lamp not working front n/s lever (4.3.1 (a) (ii)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Direction indicators affected by the operation of another lamp all lamps flashing more than 120 times per minute when headlamp switched on |1.5.1c| | 1 |
| Roller brake test indicates a severely grabbing brake front |3.3.A1b| | 1 |
| Front mudguard insecure rear |2.3.7| | 1 |
| Rear Brake pipe inadequately supported rear metal brake pipe was not supported |3.2.B2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Stop lamp not working Possible Rear brake light switch failure (4.3.1 (a) (ii)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Front Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Forks insecure (2.2.2 (d) (i)) | 1 |
| Front Forks excessively corroded (2.2.2 (d) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition non standard exhaust system fitted, excessive noise above standard silencer (8.1.1 (a)) | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering headbearing has excessive wear or free play top (2.2.2 (f) (i)) | 1 |
| Centre Front Upper Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Wheel alignment incorrect which adversely affects the handling headstock loose |2.4 |a|| | 1 |
| Engine mounting/bracket bracket damaged or deteriorated resulting in excessive movement |6.1.8 |a| |i|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system Muffler securing bolts not fully tightened onto mounting strap. |7.1.1.c| | 1 |
| Offside Rear Brake caliper|s| insecure Slider plate pin locknut has been replaced with dome nut that fails to secure pin. |3.2.A1j| | 1 |
| Nearside Front Brake caliper|s| insecure Front brake caliper slider plate rubber bush missing. |3.2.A1j| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering Front end unstable due to loose steering head bearings |2.5.1| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear brake lever |1.3.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake component insecure brake line insecure (1.1.21 (c)) | 1 |
| Offside Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering wiring loose |2.1.2a| | 1 |
| Nearside Fork yoke in such a condition that steering control is adversely affected |2.2.2 |d| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear suspension bush has excessive free play offside rear shocker top bush |2.4.A2a|i|| | 1 |
| Rear suspension bush has excessive free play all rear engine pivot bushes |2.4.A2a|i|| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing pad pin missing |3.2.A1j| | 1 |
| Rear Brake component worn and seriously reduced in strength caliper rubber bushing missing |3.2.A1| | 1 |
| Nearside Upper Rear suspension bush has excessive free play shock |2.4.A2a|i|| | 1 |
| Offside Upper Rear suspension bush has excessive free play shock |2.4.A2a|i|| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Offside Front position lamp does not face the front |1.1.1d| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Offside Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |