PRO TECHNICIAN

Engine Proper.

Crankshaft Offset
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Offsetting the crankshaft centre and the cylinder bore centre serves to raise engine efficiency.
The maximum amount of combustion pressure that the pistons receive can be efficiently transferred to the crankshaft.
By reducing the amount of force in the thrust direction of the piston, friction loss is reduced.
HINT:
Example: Amount of crankshaft offset
1NZ-FE and 2NZ-FE engines: 12 mm (0.472 in.)

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