| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 41 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Brake hose damaged | 18 |
| Registration plate lamp issues | 16 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 14 |
| Front Brake excessively binding (1.2.1 (f)) | 13 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 13 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Stop lamp remains on when the brakes are released | 10 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 9 |
| Registration plate issues | 8 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 8 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 7 |
| Front Position lamp not working (4.2.1 (a)) | 7 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 7 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 6 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Steering headbearing excessively stiff or notchy |2.2.2 |f| |i|| | 5 |
| Riders seat insecure |6.2.5 |a| |ii|| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 5 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 4 |
| Nearside Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 4 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 3 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Indicator switch insecure |1.5.4| | 2 |
| Nearside Steering lock stop ineffective |2.1.3| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Steering headbearing in such a condition that steering control is adversely affected (2.2.2 (f) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Steering linkage locking device ineffective (2.1.3 (d)) | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Front Position lamp not working Dip Beam Not Working. |4.2.1 |a|| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Front Brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Horn not working (7.7 (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 |
| Riders seat insecure (6.2.5 (a) (ii)) | 2 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 2 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 2 |
| Front Brake excessively binding front brake binding (1.2.1 (f)) | 2 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected Tight and notchy (2.2.2 (f) (ii)) | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Brake lever has inadequate reserve travel rear brake |3.1.3b| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake lever has insufficient reserve travel control (1.1.2 (a)) | 1 |
| Front Position lamp not working Both |4.2.1 |a|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Throttle operating incorrectly Throttle twist grip not returning freely (6.2.7 (a) (i)) | 1 |
| Indicator switch inoperative Not able to select and cancel indicators in a precise manner (4.4.2 (a) (ii)) | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Brake lever mounting insecure |3.1.2a| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Headlamp not working on dipped beam No dipped beam on headlight, dipped beam blown (4.1.1 (a) (ii)) | 1 |
| Position lamp not working Front position lamps not working , blown bulbs (4.2.1 (a)) | 1 |
| Rear Brake has no recorded effort at a wheel Rear brake adjusted at time of test |1.2.1 |a| |ii|| | 1 |
| Riders seat insecure wont fasten down (6.2.5 (a) (ii)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering linkage component deformed Lock stops missing (2.1.3 (c) (i)) | 1 |
| Rear Footrest missing |6.2.12 |a|| | 1 |
| Position lamp switch faulty |1.1.4a| | 1 |
| Front Brake hose damaged and likely to fail (1.1.12 (a)) | 1 |
| Front Suspension insecurely attached Excessive play in headset bearings |5.3.3 |a| |i|| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Front Brake pipe excessively damaged |1.1.11 |c|| | 1 |
| Rear Brake grabbing severely |1.2.1 |c|| | 1 |
| Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Brake grabbing severely (1.2.1 (c)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake hose excessively twisted |3.2.B3a| | 1 |
| Nearside Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Exhaust system insecure broken (6.1.2 (a)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride Centre stand pin not secured and moves out as used |6.2.1h| | 1 |
| Nearside Front Stop lamp not working for rear braking (4.3.1 (a) (ii)) | 1 |
| Central Front Steering headbearing has excessive free play Headrace brgs excessively notchy and centres badly |2.2.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp light intensity severely reduced dip beam (4.1.4 (a)) | 1 |
| Headlamp light intensity severely reduced high beam (4.1.4 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Steering linkage locking device missing |2.1.3 |d|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Front Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Brake lever has insufficient reserve travel control |1.1.2 |a|| | 1 |
| Front Brake lever not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Front Suspension arm pin or bush excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Stop lamp not working from rear brake lever |4.3.1 |a| |ii|| | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Upper Handlebar grip insecure to handlebar |2.2.1 |d| |ii|| | 1 |
| Motorcycle structure excessively damaged centre stand |6.1.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure Mudguard (6.1.1 (b) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Throttle assembly completely detached. (6.2.7 (a) (ii)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure splash guard (6.1.1 (b) (i)) | 1 |
| Offside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Exhaust cracked (8.1.1 (a)) | 1 |
| Steering headbearing has excessive wear or free play Loose! (2.2.2 (f) (i)) | 1 |
| Motorcycle structure has a fracture which is likely to adversely affect braking or steering Handlebar Cowling insecure.
Failure could lock steering! (6.1.1 (a) (ii)) | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies brake lever |1.3.1a| | 1 |
| Offside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Offside Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Exhaust has a major leak of exhaust gases egr pipe split |6.1.2 |a|| | 1 |
| Nearside Front Brake caliper damaged slide rubber missing (1.1.16 (a) (i)) | 1 |
| Offside Throttle control functioning such that safe operation of the motorcycle is adversely affected control insecure and cable tight engine revs when steering turned (6.2.7 (a) (ii)) | 1 |
| Central Motorcycle structure joining/attachment plate or fastening insecure stand locking device missing |split pin | |6.1.1 |b| |i|| | 1 |
| Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure right hand side throttle asembly unsecure (6.1.1 (b) (i)) | 1 |
| Offside Front Stop lamp not working front brake light not working (4.3.1 (a) (ii)) | 1 |
| Front Steering linkage insecure to the extent there is excessive movement at the mountings |2.1.3 |a| |ii|| | 1 |
| Steering linkage component deformed to the extent that steering is affected (2.1.3 (c) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working Rear brake lever (4.3.1 (a) (ii)) | 1 |
| Exhaust is leaking and excessively noisey Recirculation pipe split |7.1.1b| | 1 |
| Fuel cap ineffective sealing washer missing. (6.1.3 (b) (i)) | 1 |
| Rear Brake excessively binding rear brake sticks on. (1.2.1 (f)) | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear brake lever operation |1.3.1a| | 1 |
| Central Front Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Offside Front Position lamp switch insecure switch insecure |4.2.2 |b|| | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering lock stop ineffective when turning handlebars to the left , forks are hitting lower fairing |2.1.3| | 1 |
| Position lamp not working both front position lamps (4.2.1 (a)) | 1 |
| Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls does not work with front brake (4.3.2 (a) (iii)) | 1 |
| Brake fluid reservoir fluid not visible |1.1.10 |d| |iii|| | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Bike revs erratically without any throttle movement (6.2.7 (a) (ii)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy Steering stop ineffective (2.2.2 (f) (i)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front Shock absorber likely to become detached |5.3.2 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Stop lamp missing all (4.3.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Handlebar mounting so insecure that steering is adversely affected |2.2.1 |a| |ii|| | 1 |
| Nearside Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Inner Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Dipswitch does not operate immediately when selected on main beam bracket covering switch stopping operation |4.1.3 |b|| | 1 |
| Rear Brake component modification unsafe (1.1.21 (d) (i)) | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases egr pipe perished (6.1.2 (a)) | 1 |
| Riders seat missing |6.2.1a| | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front mudguard insecure |2.3.7| | 1 |
| Nearside Front All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Front All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Lower Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock throttle cable catching - increases revs when turned (2.1.4 (c)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment rear brake adjusted |1.1.15 |f|| | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Nearside Steering operation fouling on the fuel tank or bodywork on full lock Nearside lock stop inoperable (2.1.4 (b)) | 1 |
| Front Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Riders seat with a defective supporting structure not locking down |6.2.5 |a| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Brake hose excessively damaged |1.1.12 |b| |ii|| | 1 |
| Rear Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake cable has restricted free movement (1.1.15 (e)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Brake cable insecure | 1 |
| Nearside Rear Motorcycle structure joining/attachment plate or fastening insecure panel (6.1.1 (b) (i)) | 1 |
| Nearside Brake lever mounting insecure |3.1.2a| | 1 |
| Fork yoke excessively deformed O/S FORK STOP DAMAGED |2.2.2 |d| |i|| | 1 |
| Nearside Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Central Motorcycle structure joining/attachment plate or fastening insecure (6.1.1 (b) (i)) | 1 |
| Front Motorcycle structure joining/attachment plate or fastening insecure front mudguard insecure (6.1.1 (b) (i)) | 1 |
| Nearside Rear Lower Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Front Horn not working horn (7.7 (a)) | 1 |
| Rear Exhaust system insecure exhaust loose (6.1.2 (a)) | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.4 |a|| | 1 |