| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Drive chain excessively loose |6.2.1d| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Drive chain worn to excess |6.2.1e| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Registration plate issues | 4 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 3 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 3 |
| Registration plate lamp issues | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Fuel cap sealing washer missing |7.2.2c| | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Nearside Direction indicators not working |1.5.1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Offside Rear Direction indicator damaged and function impaired |1.5.3a| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Fuel system component leaking (6.1.3 (b) (i)) | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Centre Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Rear Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake caliper leaking Leaking from damaged piston (1.1.16 (b) (i)) | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension bush has excessive free play lower rear suspension link |2.4.A2a|i|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies wire broken on front lever |1.3.1a| | 1 |
| Central Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on number plate light |1.1.3a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Clutch lever positioned so it cannot be readily operated. missing locking nut |6.2.1g| | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Indicator tell tale not functioning not working |1.5.2| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Lower Rear mono-shock pivot excessively worn links worne |2.4.B.4| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling wheel out of adjustment |2.5.1| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Rear All position lamps light intensity significantly reduced |4.2.3 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Drive chain worn to excess |6.2.1e| | 1 |
| Exhaust system insecure |6.1.2 |a|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure side panels loose |6.1.1 |b| |i|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Footrest missing R & L rear passenger (6.2.12 (a)) | 1 |
| Brake pedal so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Brake pedal insecure |3.1.2a| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Exhaust has a major leak of exhaust gases bracket missing exhaust insecure |6.1.2 |a|| | 1 |
| Fuel tank insecure |6.1.3 |a| |i|| | 1 |
| Fuel tank leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| All direction indicators not working non working as engine not able to keep ticking over |4.4.1 |a| |ii|| | 1 |
| Brake performance not tested due to petrol leak |1.2.1 |g|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake pedal attachment screws missing. |3.1.2b| | 1 |
| Brake pedal is inoperative not present |3.1.3c| | 1 |
| Rear Braking system does not have an approriate system/s fitted according to its age |3.1.1| | 1 |
| Front Brake pipe inadequately supported plastic retainer cracked |3.2.B2b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected cable has snapped |6.2.7 |a| |ii|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Handlebar deformed to the extent that steering is affected (2.2.1 (c) (ii)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Horse shoe clip fitted incorrectly |6.2.1h| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Offside Rear Engine mounting/bracket bracket missing Rear right engine mount broken from frame (6.1.8 (a) (ii)) | 1 |
| Engine mounting/bracket bracket missing Front lower engine mounting bolt missing (6.1.8 (a) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel spoke missing Broken!! Not missing! (5.2.2 (d)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Central Lower Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Footrest missing BOTH (6.2.12 (a)) | 1 |
| Front Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |