CYLINDER HEAD CONSTRUCTION [MZR-CD (RF Turbo)]
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• A lightweight aluminum alloy cylinder head with good thermal conductivity has been adopted.
• A plastic region bolt has been adopted as a cylinder head bolt providing constant high axial force (tightening force).
Double-Tangential Port
• Sufficient swirl can be generated even with low engine speed due to the bending of the port.
• Due to the adoption of 4 valves, the opening area has been increased and the charging efficiency improved.
• The smooth curved intake port reduces intake resistance.
• Locating the fuel injector on the center of the cylinder head provides consistent fuel injection in the combustion chamber, and in conjunction with the swirl generated in the double-tangential port, production of a balanced air-fuel mixture has been realized.
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Exhaust port
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2
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intake port
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3
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Fuel injector
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4
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Port layout
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Intake port cross-section
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Fuel injector installation
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