| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 31 |
| Registration plate lamp issues | 27 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 10 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 7 |
| Drive chain worn to excess |6.2.1e| | 7 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 5 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Registration plate issues | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Rear Brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working (7.7 (a)) | 3 |
| Front Brake excessively binding |1.2.1 |f|| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Nearside Front Upper Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Drive chain excessively tight (6.1.7 (k) (i)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Central Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |Brake Light Switch|? |1.3.1a| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear Footrest missing |6.2.12 |a|| | 1 |
| Offside Rear Footrest missing |6.2.12 |a|| | 1 |
| Front Suspension attachment bracket/mounting insecure HEADSTOCK SECURING BOLT LOOSE |5.3.3 |a| |i|| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake component inadequately mounted caliper bracket not fitted correctly (1.1.21 (c)) | 1 |
| Stop lamp not working Front brake switch. (4.3.1 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear suspension component loose sensor |2.4.A.1a| | 1 |
| Offside Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock plastic grip cover removed |2.1.4 |b|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Footrest missing Both rear footrests missing. (6.2.12 (a)) | 1 |
| Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Rear Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Nearside Front Position lamp missing (4.2.1 (a)) | 1 |
| Offside Front Position lamp missing (4.2.1 (a)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Brake lever insecure |1.1.2 |e| |i|| | 1 |
| Exhaust has part of the system missing Front lower clamp broken |7.1.1a| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Offside Front Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Central Rear Valve stem seriously damaged valve split and deteriorated (5.2.3 (j)) | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Nearside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Front position lamp incorrect colour Position lamp shows a light other than WHITE to the front. |1.1.2a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Exhaust system insecure Clamp missing from front pipe (6.1.2 (a)) | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Offside Front Steering operation linkage fouling when handlebars turned from lock to lock RADIATOR MOUNTING BOLT FOWLING O/S FORK LEG |2.1.4 |a|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Shock absorber has a serious fluid leak L/H (5.3.2 (b)) | 1 |
| Front Shock absorber has a serious fluid leak L/H (5.3.2 (b)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak Front offside fork stanchion pitted. (5.3.2 (b)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected not returning fully (6.2.7 (a) (ii)) | 1 |
| Nearside Front Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Brake locking device missing |3.2.A1e| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Throttle operating incorrectly Sticking |6.2.1f| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake |1.3.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil Chrome pitted. |2.3.3| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front shock absorber seal failed and leaking oil both fork legs |2.3.3| | 1 |
| Throttle operating incorrectly Throttle housing/switch gear loose (6.2.7 (a) (i)) | 1 |
| Drive chain sprocket worn to excess Front and rear sprockets worn (6.1.7 (c) (i)) | 1 |
| Drive chain worn to excess chain worn (6.1.7 (c) (i)) | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Central Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Brake disc contaminated both front (1.1.14 (b)) | 1 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 1 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Chain guard insecure (6.1.7 (i)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak Right hand fork seal is leaking badly. (5.3.2 (b)) | 1 |
| Offside Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |