| Most common failures | No# failures |
|---|
| Rear reflector missing |4.8.2 |a| |ii|| | 8 |
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Rear Brake excessively binding (1.2.1 (f)) | 6 |
| Headlamp aim out of alignment | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Drive chain sprocket carrier worn to excess Bearing worn! |6.2.1e| | 1 |
| Offside Rear Direction indicator light intensity significantly reduced |4.4.3 |a|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Lower Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Front Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Throttle operating incorrectly Throttle sticks open. |6.2.1f| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies switch |1.3.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Drive chain so loose it is likely to fail adjust |6.1.7 |c| |ii|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected master cylinder not returning |1.1.2 |b| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working Front brake switch faulty |4.3.1 |a| |ii|| | 1 |
| Front Steering operation restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure front mud guard missing a bolt (6.1.1 (b) (i)) | 1 |
| Front Brake component insecure caliper pin retaining clip missing (1.1.21 (c)) | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Pillion seat insecure (6.2.6 (a) (ii)) | 1 |
| Position lamp adversely affected by the operation of another lamp Intermittently Flashing (4.2.3 (b)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Stop lamp not working not working on hand control (4.3.1 (a) (ii)) | 1 |
| All direction indicators light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear All position lamps not working (4.2.1 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Headlamp incorrect colour RED LIGHT ON FRONT (4.1.4 (a)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Engine mounting/bracket missing Securing nut missing (6.1.8 (a) (ii)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Footrest missing pillion |6.2.1a| | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Engine mounting/bracket bracket missing (6.1.8 (a) (ii)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak chrome tube corroded (5.3.2 (b)) | 1 |
| Rear Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Brake caliper operating mechanism has excessive travel (1.1.16 (e) (i)) | 1 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |