| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Registration plate issues | 14 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 13 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 6 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 5 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 3 |
| Offside Steering lock stop ineffective |2.1.3| | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride trailing arm |6.2.1h| | 1 |
| Rear Brake pedal is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Riders seat missing |6.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Fuel hose leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock Speedo cable (2.1.4 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted was missing (6.1.7 (j) (i)) | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Lower Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear wheel spindle securing nut locking device missing offside and nearside |2.4.A.2b| | 1 |
| Rear suspension component loose talk arm to caliper at rear split pin missing |2.4.A.1a| | 1 |
| Offside Front Steering lock stop maladjusted |2.1.3| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Horn control defective works when steering left |1.7.2a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Front Handlebar deformed |2.1.1b| | 1 |
| Front Brake lever insecure |3.1.2a| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Fairing insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Outer Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear Lower Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Nearside Front Brake caliper leaking and braking performance affected |1.1.16 |b| |ii|| | 1 |
| Nearside Front Brake caliper has no reserve travel and braking performance affected |1.1.16 |e| |ii|| | 1 |
| Nearside Front Brake caliper leaking |1.1.16 |b| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake cylinder severely corroded |3.2.B1b| | 1 |
| Wheel alignment incorrect which adversely affects the steering chain adjustment (2.4 (a)) | 1 |
| Rear Brake component insecure torque arm bolt (1.1.21 (c)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Throttle operating incorrectly |6.2.1f| | 1 |
| An item not tested |Manual| | 1 |