| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Drive chain excessively loose |6.2.1d| | 9 |
| Registration plate lamp issues | 9 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Front Brake excessively binding |1.2.1 |f|| | 4 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 3 |
| Front Brake excessively binding (1.2.1 (f)) | 3 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Registration plate issues | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake caliper|s| insecure |3.2.A1j| | 1 |
| Rear Brake caliper has no reserve travel and braking performance affected |1.1.16 |e| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded brakes not releasing completely allowing free movement of front wheel with wheel raised. |3.2.A1h| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp not working on foot control |4.3.1 |a| |ii|| | 1 |
| Position lamp not working rear |4.2.1 |a|| | 1 |
| Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected notchy |2.2.2 |f| |ii|| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Stop lamp does not illuminate immediately a brake applies front |1.3.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies Right hand front brake does not operate stop light |1.3.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front Brake component is excessively corroded |3.1.5| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Handlebar deformed *** need replacing *** |2.1.1b| | 1 |
| Front Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Rear Decelerometer brake test indicates a sticking brake |3.3.E1d| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake caliper excessively corroded and likely to crack binding brakes due to excessive corrosion on piston caliper (1.1.16 (d) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak front forks seals leaks (5.3.2 (b)) | 1 |
| Nearside Rear Footrest missing one of passanger footrest is missing (6.2.12 (a)) | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Position lamp not working Rear light (4.2.1 (a)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Offside Front Upper Handlebar restricted in free movement from lock to lock Throttle impeded by heated grip cable, moved to correct (2.1.4 (c)) | 1 |
| Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Steering headbearing excessively stiff or notchy Central notch (2.2.2 (f) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Brake caliper inadequately mounted (1.1.16 (c) (i)) | 1 |
| Nearside Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Central Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Brake performance not tested CABLE TOO LONG (1.2.1 (g)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake pedal pivot excessively tight (1.1.1 (a)) | 1 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Upper Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Brake lever insecure front brake lever mounting loose (1.1.2 (e) (i)) | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |