| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 37 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 19 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 9 |
| Nearside Front Footrest insecure |6.2.1a| | 9 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 8 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 7 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Offside Front Footrest insecure |6.2.1a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 5 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Horn not working |1.7.3a| | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Registration plate issues | 3 |
| Rear Brake disc|s| cracked |3.2.A1g| | 3 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 3 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 3 |
| Throttle operating incorrectly |6.2.1f| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Offside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Nearside Footrest insecure |6.2.1a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Nearside Front Direction indicator insecure |1.5.3b| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Footrest insecure |6.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Footrest insecure rider nearside footrest insecure |6.2.1a| | 1 |
| Front Steering control handlebar movement restricted by taut cables engine revs on left lock |2.1.2c| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake hose fouling |3.2.B3b| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Nearside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Offside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Front suspension assembly component excessively corroded. fork stansion |2.3.1| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Footrest insecure |6.2.12 |a|| | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Brake hose damaged | 1 |
| Nearside Front Brake hose leaking fluid |3.2.B4| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bearing excessively deteriorated |2.4A.2a|i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Motorcycle structure cracked |6.1.1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Front Horn is not a constant note |1.7.3c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Brake component is severely distorted front disc excessively distorted and bobbins worn |3.1.5| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Nearside Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies Brake light switch front |1.3.1a| | 1 |
| Nearside Headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Centre Front Upper Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Shock absorber has negligible damping effect both sides |5.3.2 |b|| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Centre Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected engine revs increase on full lock (6.2.7 (a) (ii)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Footrest insecure Mounting bracket. (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Position lamp light intensity significantly reduced Only one of two bulbs working. (4.2.3 (a) (ii)) | 1 |