| Question
3: What does the clutch lever do and how do
I work it?
A motorcycle rider determines how much engine
power is delivered to the rear wheel by the clutch lever.
Fig
1
Fig 2
Fig 3
•
When the clutch lever is full out (Fig 1) the clutch is engaged,
and all the power the engine can deliver is available to the rear
wheel.
•
When
the clutch lever is full in (Fig 2), the clutch
is disengaged, so the engine and rear wheel are separated
-- with no engine power going to the rear wheel.
•
Somewhere between the full
in and full out position is the “friction zone” (Fig
3). Now there is a partial delivery of engine power
to the rear wheel. The friction zone is used to make smooth
launches, assist in tight cornering, and prevents rear-wheel lockups
when downshifting and engine braking (concepts we’ll examine later).
It is important to eeeeeease the clutch lever out
from the full in position when launching a motorcycle from a stop.
Eeeeeeesing through the friction zone will prevent
engine stall (called snubbing the engine) and allow for smooth launches
from a stop.
Next
we will look at the gearshift lever and operations in Question
4.
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