Toyota Car Parts - 3S-GE Engines

The crankshaft, located within the crankcase, rotates on five aluminium alloy bearings and is balanced by eight weights The Toyota 3S-GE is an in-line 4 cylinder engine manufactured by Toyota and tuned by Yamaha Motor Company Ltd. The cam journals are lubricated by an oiler port located in the middle of the camshaft The cam journal is supported on five points between the valve lifters of each cylinder and on the front of the cylinder head At the bottom of the cylinder block is an oil pan which stores the oil The spark plug is located in the center of the combustion chamber. All 3S-GE engines had a displacement of 2 The cast iron cylinder block holds four cylinders which are approximately two times the length of the piston stroke An indentation is incorporated into the piston head to prevent the pistons from hitting the valves, should the timing belt break (this is not true of the 3S-GE BEAMS motor) The intake manifold has four independent ports and benefits from inertia build up to improve engine torque at low and medium speeds. The pent-roof combustion chambers are complemented by a cross-flow intake and exhaust layout. The ignition order of the cylinders is in the 1-3-4-2 order. 0 L Built into the cylinder block are coolant channels, which cool the block which houses the pistons The 'Outer Shim Type System' allows for the replacement of the shims without the need to remove the camshaft. A single timing belt drives the intake and exhaust camshaft. The top of the cylinders are covered by the cylinder head This prevents oil from being shifted away from the oil pump suction pipe.

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