| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Registration plate issues | 8 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Steering headbearing has excessive free play |2.2.2| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Exhaust excessively deteriorated |7.1.1a| | 5 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 5 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Nearside Steering lock stop ineffective |2.1.3| | 3 |
| Handlebar mounting clamp loose |2.1.1a| | 3 |
| Brake hose damaged | 3 |
| Brake hose excessively deteriorated | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 2 |
| Nearside Steering lock stop maladjusted |2.1.3| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear position lamp incorrect colour |1.1.2b| | 2 |
| Nearside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 2 |
| Rear Brake lever insecure (1.1.2 (e) (i)) | 2 |
| Fuel cap leaking (6.1.3 (b) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Horn not working |7.7 |a| |ii|| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Central Front Lower Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Position lamp switch faulty |Main and Dipped Beam Not Working| |1.1.4a| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Front Brake hose damaged and likely to fail |1.1.12 |a|| | 1 |
| Rear Upper Suspension rod ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Rear Brake lever has insufficient reserve travel brake |1.1.2 |a|| | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock |2.1.4 |b|| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Motorcycle structure excessively damaged airbox |6.1.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired too dim |1.2.3a| | 1 |
| Rear Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering lock stop maladjusted |2.1.3| | 1 |
| Steering headbearing has excessive wear or free play Notchy & stiff on full R & L lock |2.2.2 |f| |i|| | 1 |
| Headlamp incorrect colour |4.1.4 |a|| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Nearside Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Central Front Motorcycle structure is so deformed it is likely to adversely affect braking or steering |6.1.1 |a| |ii|| | 1 |
| Offside Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Shock absorber insecurely attached Top Bush |5.3.2 |a| |i|| | 1 |
| Rear Brake cable damaged |1.1.15 |a|| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Central Front Upper Handlebar mounting clamp loose |2.1.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Steering lock stop maladjusted near side steering is crushing brake hose against frame. |2.1.3| | 1 |
| Offside Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Headlamp switch faulty hi/low switch |1.2.4| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering Play side to side in steering stem |2.5.1| | 1 |
| Steering lock stop ineffective No lock stop when turned n/s |2.1.3| | 1 |
| Nearside Brake lever insecure |3.1.2a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Steering lock stop ineffective to the left |2.1.3| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Offside Steering linkage locking device ineffective |2.1.3 |d|| | 1 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Front Brake pipe likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking rear mudguard |6.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Throttle operating incorrectly loose on bars |6.2.1f| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected high revs on left lock |6.2.7 |a| |ii|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear suspension bush has excessive free play Upper shock bush. |2.4.A2a|i|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Brake lever has insufficient reserve travel rear brake |1.1.2 |a|| | 1 |
| Rear position lamp incorrect colour rear lense missing white light to the rear |1.1.2b| | 1 |
| Stop lamp emits other than a steady red light lense missing white light to the rear |1.3.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp emits other than a steady red light faded lens |1.3.1b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Stop lamp not working brake light switch |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp missing not working |1.3.3a| | 1 |
| Rear Stop lamp missing not working |1.3.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Rear Wheel spindle or securing nut|s| so insecure that wheel security or steering control is adversely affected |5.2.1 |c| |ii|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |
| Rear Wheel fixing loose |single fixing| |5.2.1 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Central Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Brake cable damaged (1.1.15 (a)) | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure mud guard (6.1.1 (b) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening so insecure that structural rigidity is seriously reduced pannle (6.1.1 (b) (ii)) | 1 |
| Stop lamp light intensity significantly reduced (4.3.3 (a) (ii)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Brake lever insecure rear brake lever perch broken (1.1.2 (e) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls does not illuminate when front brake is applied (4.3.2 (a) (iii)) | 1 |
| Rear brake binding | 1 |
| Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Front Brake excessively binding front brake binding slightly - PRS - brake cleaner calliper & free off (1.2.1 (f)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Fuel hose leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Brake lever so insecure that the brake cannot be readily applied (1.1.2 (e) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake performance not tested DUE TO FLAT REAR TRE AND BRAKE LEVER BROKEN (1.2.1 (g)) | 1 |
| Rear Position lamp likely to become detached (4.2.1 (c) (ii)) | 1 |
| Nearside Front Steering operation linkage fouling when handlebars turned from lock to lock handlebar fouling leg (2.1.4 (a)) | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim not tested no lights (4.1.2 (b)) | 1 |
| Rear Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering linkage insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 1 |
| Central Rear Brake grabbing severely (1.2.1 (c)) | 1 |
| Steering operation restricted in free movement from lock to lock cables catching rh lock (2.1.4 (c)) | 1 |
| Fuel cap ineffective (6.1.3 (b) (i)) | 1 |
| Rear Wheel spindle locking device ineffective (5.2.1 (d)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Nearside Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Front Steering operation fouling on the fuel tank or bodywork on full lock Front mudguard rubbing inside of front panel - on full R/H lock (2.1.4 (b)) | 1 |
| All direction indicators not working R & L indicators coming on - but not flashing (4.4.1 (a) (ii)) | 1 |
| Handlebar mounting so insecure that steering is adversely affected headset has play on steering shaft (2.2.1 (a) (ii)) | 1 |
| Handlebar mounting insecure trap front wheel and handle bars can be moved side to side (2.2.1 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |