The Rider's Handbook
coming from the left or right, across your path.
getting closer to, from any direction.
blood alcohol concentration given as grams of alcohol per 100 millilitres of blood.
Blind spot (see also head check)
area beside and behind that is not seen in mirrors.
positioning the motorcycle to create maximum space around you, away from hazards.
Certificate of competency
certificate issued on successful completion of the Advanced level of the Rider Safe course.
Crash avoidance space
the space a rider needs in order to prevent a potential crash.
Combination (motorcycle and sidecar)
a motorcycle with a sidecar attached (also known as an outfit).
necessary, required, must do.
Contact patch (tyre)
the part of the tyre that is in contact with the road.
Covering the brakes
where the rider's fingers are over the front brake lever and their toes over the rear brake pedal without activating the brakes. See also setting up the brakes.
The action of applying slight pressure on the handlebar in the opposite direction of the turn to cause the motorcycle to lean into the turn.
the action of turning the handlebars in the direction you want the motorcycle to turn.
Department for Infrastructure and Transport.
Dual purpose motorcycle
motorcycle made to ride on sealed or unsealed roads (see trail motorcycles).
bodywork designed to deflect wind.
the experience of feeling sleepy, tired or exhausted. Fatigue affects your body and your ability to ride safely.
pegs attached to the motorcycle to support your feet.
where the clutch begins to transmit drive to the rear wheel.
Full face helmet
a helmet fitted with a visor that has inbuilt chin protection and so covers all of the rider's face.
eye protection that covers and forms a seal around the eyes.
any object or feature, fixed or moving, that contains an element of actual or potential danger.
looking over the shoulder to the left or right to make sure that nothing is in the blind spot. Also known as a shoulder check.
includes drag racing, burnouts, doughnuts, wheelies, burning rubber, excessive noise.
where two or more roads meet or join.
an area of road marked by continuous or broken lines, designed for use by a signal line of traffic.
Lane filtering is when a motor bike rider travels at low speed between two lines of stationary or slow moving traffic travelling in the same direction.
how far the motorcycle leans in a corner or turn.
the physical movement of the riders upper body into the turn and slightly forward so that the motorcycle lean angle is reduced.
the physical movement of the riders upper body away from the turn to allow the motorcycle lean angle to increase and tighten a turning circle.
where the rider leans at approximately the same angle as the motorcycle.
Learner Approved Motorcycle (LAM)
a motorcycle of a kind included in a list published by DIT from time to time on its Internet website and also available from Customer Service Centres, and has an engine capacity that is not greater than 660 ml and a power to weight ratio that is not greater than 150 kilowatts per tonne.
Multi laned road
a road with more than one lane in the same direction.
a mandatory requirement.
a vehicle approaching, and travelling in the opposite direction.
to pass a vehicle travelling in the same direction as you.
luggage boxes fitted to the sides of the motorcycles.
a seat or space for a motorcycle passenger.
holes in the road surface.
Power to weight ratio
engine power (in kilowatts) to weight of motorcycle (in tonnes), including the rider.
the measure of how hard a tyre is inflated.
clothing designed to reduce rider injury and fatigue.
to increase engine speed.
engine speed measured in RPM (Revolutions Per Minute).
a compulsory rider training course for learner riders in South Australia.
an area that is opened to or used by the public and is developed for, or has as one of its main uses the driving or riding of motor vehicles.
Road related area
includes an area that divides a road, a footpath, nature strip, cycleway and parking areas.
motorcycle made primarily to ride on sealed roads.
moving the eyes to different areas to build up a picture of events.
Setting up the brakes
the action of taking the freeplay out of the front and rear brake levers (see two stage braking).
a recommendation, advice.
a wheeled attachment fitted to the left side of a motorcycle (see combination).
usually measured in millilitres or cubic centimetres.
when a tyre loses grip on the road surface.
Special purpose motorcycle
motorcycle designed for racing and other specific purposes, often unable to be registered.
the legal maximum speed for any particular stretch of road, licence or vehicle.
excessive or inappropriate speed, including not adjusting your speed to suit the conditions or speed limit.
the legal speed for any particular stretch of road, licence or vehicle.
progressively applying more pressure to the brake levers (see two stage braking).
front forks, rear shock absorbers, springs.
quickly turning in one direction.
someone who follows other vehicles too closely to be safe.
a space between vehicles big enough for three seconds of time to pass between them.
a control used to vary the motorcycle's engine speed.
grip between a tyre and the ground.
motorcycles built primarily for riding on unsealed roads.
the pattern of rubber on the surface of a tyre that grips the road.
Two stage braking
a braking technique consisting of setting up and squeezing the brake levers.
a complete change of direction, approximately a 180 degree turn.
clear, plastic shield on the front of a helmet designed to protect your face.
the mark on the road made by other vehicles' tyres.