Motorcycling Basics – How to Ride a Motorcyle
Before you set out on the road, you need to know a little bit about how a motorcycle operates. First, some super simple physics.
Staying Upright
Did you ever wonder how a motorcycle can stay upright
when it's moving? Everyone knows that, sitting still, a bike
(and its rider) will fall over unless they have support. But
a moving motorcycle somehow stays up without a lot of
effort. Weird.
The technical answer involves some complicated physics about
angular momentum and torque. But let's skip all that and
take an everyday example. Hold a bat, heavy end up, in your
palm. It will tend to fall over. It's statically unstable.
But wiggle your palm to keep it continually right under the
heavy end and the bat will stay upright. It's dynamically
stable. Something similar works with motorcycles.
When you drive forward the center of gravity of the bike and
rider is constantly adjusted by friction and your small
balancing movements. The result is similar to the upright
bat. The bike and rider stay upright.
Moving forward
Over the decades there have been several different
designs, but today most motorcycles have standard operating
configurations. The steering mechanism is a simple lever.
Other types, like steering wheels, joysticks, and others
have been tried.
The right handle grip contains the throttle. The original
meaning of 'to throttle' is 'to slow down or hinder'. Here,
it has the opposite meaning. Twist it back toward you and
the engine gets more gas. With the brakes off, you'll go
faster. Common knowledge.
On the left handle grip of the handlebar is the clutch. Pull
it in to change gears, then release - not too fast, not too
slowly. Also fairly well known. Not too many motorcycles
have automatic gear changing mechanisms, but they exist.
Beneath your left foot is the gear shift. Squeeze the clutch
lever, ease off the gas, and move the gear shift up or down.
Then release your left hand, move the throttle and go.
Slowing Down
The front brake lever is attached to the right handle
grip. The front brake supplies most of the friction needed
to slow down the bike. In some cases, as much as 80%.
Pulling it too hard and too fast can flip the bike (and you)
over, especially on down hill angles.
Near the foot peg on the right side is the rear brake lever.
Push it down with your right foot and the rear brake
mechanism is engaged. Usually, the front and rear brakes are
used simultaneously. Feathering the front and rear can cause
undue wear on one or the other.
Some bikes have linked braking systems. Pressing the rear
brake engages part of the front brake. Synchronization is
key to smooth, safe stops. Most rear brakes today are disc
type - one or a pair of pads squeezes against a metal disc
in the center of the wheel and friction slows the bike to a
stop.
Turning off
Most bikes today have a 'kill switch'. Sometimes reaching
for the key to turn off the motor can cause the bike to
become unbalanced. Sometimes you fall off and have to shut
off the engine in a hurry. In either case, using the kill
switch to kill the motor fast provides a safety backup.
There are lots of variation beyond the basics. Some bikes
have an old-fashioned, but still frequently used, kick
starter. Others have a push button starter. Some have
sidecars, custom suspension, electronic de-fogging mirrors,
mileage and GPS computers... the list is endless. But they
all have the basic components discussed above. If they
don't, your bike is busted.
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