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GENERAL INFORMATION 1-9
Operation
at
low
Engine
Speed
At lower engine
speeds.
the
KIPS valves are positioned so Ihallhe sub-valves
[A]
are closed,
t
he resonator [8]
IS
open,
and
the
mam valves
[C]
afe down
.
Exhaust
port
area
IS
reduced and exhaust timing IS relatively conservative [D). These
conditions help
t
he engine
to
breathe
in
fresh
gas smoothly because the exhaust gas [E] is charged at the proper speed and
time to produce
a
useful
exhaust vacuum
pulse.
Some of
the
exhaust gas lIows Into the resonator The resonator generates a
delayed
pressure wave (Fjlhat suppresses
the
escape of fresh
gas,
lowenng fuel consumption
Under
these
conditions,
the exhaust system tuning Improves bottom -end
power, idling,
and fuel
economy.
Operation
at
Low Engine Speed
A
Main El(haust Port
Cylinder
Sub ·el(haust
Ports
Closed Sub-el(haust Ports
(Slide Valve)
@
©
(Flap Valve)
Main
El(haust
Opening
MaIn El(haust
Port
A.
Sub-valves
C.
Main Valves Down
E.
El(haust
Gas
B.
Resonator
Open
D.
Conservative El(haust
Timing
F.
Delayed Pressure
Wave

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   Also See for Kawasaki KDX200

This manual is also suitable for:

Kdx220 1995-2006

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