Primary drive definitions

primary drive

The system of transferring power from the engine to the gearbox. Usually achieved by chain or gear.
Found on http://www.encyclo.co.uk/visitor-contributions.php

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primary drive

use of chain, gear, or belt drive to connect crankshaft to clutch and gearbox into shaft.
Found on http://www.horizonsunlimited.com/gear-up/motorcycle-terms-and-glossary

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Primary Drive

The system of transferring power from the motorcycle engine to the gearbox. Usually achieved by chai
Found on https://www.encyclo.co.uk/local/22370

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