INTAKE-AIR SYSTEM
01–13–15
01–13
CHECK VALVE CONSTRUCTION/OPERATION
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• Composed of the main body and valve.
• Air can only flow from the vacuum chamber to the intake manifold.
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JET AIR FUEL MIXING SYSTEM OUTLINE
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• This system flows jet air (high-velocity air) into the primary port.
• Jet air is injected from the nozzle installed to the intake manifold, to blow off fuel adhering to the surface of the
intake port.
• A projection (anti-wet port) is provided on the bottom edge of the intake port. With this projection, air current is
formed so that the air-fuel mixture blown off by jet air flows to the intake port efficiently, and ideal air-fuel
mixture is obtained.
• The air/fuel ratio is lean due to the facilitation of a slow air intake velocity and low load fuel mixture. As a result,
fuel economy is improved.
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JET AIR FUEL MIXING SYSTEM CONSTRUCTION
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VALVE
WHITE
GREEN
INTAKE
MANIFOLD
SIDE
VACUUM
CHAMBER SIDE
AIR FLOW
DIRECTION
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NOZZLE
HOSE
AIR HOSE
INTAKE MANIFOLD
*: ILLUSTRATION SHOWS 13B-MSP (HIGH POWER)
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