| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 9 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate issues | 6 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Registration plate lamp issues | 4 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 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 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| 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 |
| Front mudguard insecure |2.3.7| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Offside Front Footrest insecure |6.2.1a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 2 |
| Offside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Inner Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front Lower Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Nearside Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected |6.2.7 |a| |ii|| | 1 |
| Rear Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Rear Brake fluid reservoir insecurely mounted |3.2.B1a| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Lower Rear suspension bush excessively deteriorated link bush |2.4.A2a|i|| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Direction indicators affected by the operation of another lamp rear |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Rear Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Rear Exhaust excessively deteriorated both |7.1.1a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Nearside Rear Wheel fixing missing (single fixing) nut split pin missing (5.2.1 (a) (ii)) | 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 |
| Central Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Front Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Rear Brake clevis joint excessively worn (1.1.15 (b)) | 1 |
| Offside Rear Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls replaced front brake light switch as didnt illuminate brake light (4.3.2 (a) (iii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 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 |