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This replacement part designed for the intake of Yamaha 660 cm3 engines, this PROX steel valve is aimed at quad riders looking for a robust component for the repair or restoration of their engine. Its design follows the essential function of precisely opening and closing the intake, adhering to the expected tolerances for an original fit.
Material: steel (intake valve)
Usage: replacement / quad engine maintenance
Compatibility: see models below
Compatibility confirmed with the listed Yamaha YFM 660 models:
This product is intended for mechanics and professionals who wish to maintain the reliability of the powertrain. For a clean intervention, ensure to check the seats and valve guides during replacement. Always verify the manufacturer reference before installation.
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30 days returns
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