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COMPLETE ENGINE : Engine  Honda K24W

In 2013, Honda began production of the updated K24W. It was an all-new 2.4L direct injection i-VTEC gasoline engine developed as part of Honda’s Earth Dreams next-generation engine series.

    PRODUCT INTRODUCTION

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    K24 5pok

    In 2013, Honda began production of the updated K24W. It was an all-new 2.4L direct injection i-VTEC gasoline engine developed as part of Honda’s Earth Dreams next-generation engine series.

    The K24W shares only the bore and stroke with previous K24 engines. The engine has a new die-cast aluminum cylinder block. Inside the cylinder block is a new forged steel crankshaft and lightweight pistons with cupped heads. On top, the 2.4L Earth Dreams engine has a new lightweight die-cast aluminum cylinder head with 4 valves per cylinder, a high pressure injector with intake valve ports, DOHC, i-VTEC and an integrated exhaust manifold. The intake ports and combustion chambers have been optimized to improve the air-fuel mixture and combustion process. The intake and exhaust valves have a narrower angle of 35 degrees. The most noticeable external change is the reorientation of intake and exhaust. Now the air intake is facing back, and the exhaust is facing forward.

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    K24 22gt

    The intake and exhaust camshafts have an improved journal surface to reduce friction. They are driven by a silent chain with a friction-reducing double-lever tensioner. At the end of the exhaust camshaft is a direct injection high pressure fuel pump. This high pressure pump provides fuel pressure up to 20MPa for 6-stage injectors. To comply with the latest emissions regulations (California ULEV-2 and Federal Tier 2 Bin 5 certifications), the engine has been fitted with two high performance catalytic converters. The first converter is mounted directly on the cylinder head outlet, while the second is mounted slightly downstream of the engine.



    Specifications

    Production years

    since 2013

    Displacement, cc

    2356

    Fuel system

    direct injection

    Power output, hp

    185 (K24W)
    206 (K24W7)

    Torque output, Nm

    225-245

    Cylinder block

    aluminum R4

    Block head

    aluminum 16v

    Cylinder bore, mm

    87

    Piston stroke, mm

    99.1

    Compression ratio

    10.1 – 11.1

    Features

    DOHC, i-VTEC

    Turbocharging

    no

    Fuel type

    petrol



    Modifications

    K24W – 185 hp (138 kW) at 6400 rpm, 245 Nm at 3900 rpm. Application: Honda CR-V, Honda Accord.
    K24W7 – 206 hp (138 kW) at 6800 rpm, 247 Nm at 3900 rpm. Application: Acura TLX.