| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Stop lamp remains on when the brakes are released | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Headlamp at least one does not illuminate on dipped beam low beam nort working |1.2.2a|i|| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Front Brake cylinder has no reserve travel and braking performance affected rear brake lever comes back to handlebar completely (very little brake force) (1.1.16 (e) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Front Upper Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Front Brake hose is likely to be fouled or trapped by moving parts for rear brake |3.2.B2c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Registration plate issues | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Lower Brake pipe connection leaking (1.1.11 (b)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component fork pin |2.3.4| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake component insecure front brake hose needs securing (1.1.21 (c)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Upper Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Front Brake caliper cracked and braking performance affected (1.1.16 (a) (ii)) | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Engine mounting/bracket damaged or deteriorated resulting in excessive movement (6.1.8 (a) (i)) | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Central Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Central Front Steering linkage component insecure handlebar clamp loose so play in steering (2.1.3 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Brake lever has inadequate reserve travel rear brake lever comes back to handlebar and has no stopping effect |3.1.3b| | 1 |
| Nearside Front Brake master cylinder leaking rear brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected |1.1.2 |b| |ii|| | 1 |
| Rear Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Central Front Motorcycle structure joining/attachment plate or fastening insecure |6.1.1 |b| |i|| | 1 |
| Offside Front Brake cylinder has no reserve travel and braking performance affected no reserve travel (lever reaching handlebar) (1.1.16 (e) (ii)) | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Rear Brake fluid not visible |1.1.10 |d| |iii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Roller brake test indicates a severely grabbing brake 22 kgf jumps to lock |3.3.A1b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on number plate |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |