Engine Performance

Engine Performance

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  • Boyesen Replacement Reeds PSR-131A

    Replacement RAD Reeds for Boyesen Extreme Velocity Intake Manifold. Fits Boyesen Full Spectrum Yamaha and Kawasaki Intake Manifolds. Kit Includes replacement reed petals for 1 cage.

    Part Number: 01-02-332

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    $74.95

  • Boyesen Power Reeds - Yamaha 62T / 64X

    Boyesen Power Reeds #026 for Yamaha 701 62T/64X engines. Dual-stage reeds work in unison to perform efficiently throughout the entire powerband. The difference in stiffness between the top reed and the bottom reed allow the reeds to respond quickly and accurately to changes in engine pressure. This translates into quicker acceleration, crisper throttle response and increased horsepower throughout the powerband.

    Part Number: 01-02-330

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    $89.95

  • Boyesen Intake Manifold Kit - Yamaha 62T

    Boyesen Extreme Velocity Intake Manifold Kit for Yamaha 701 62T Engines. High quality Cast Aluminum Dual Intake Manifold allows optimized installation of aftermarket performance carbs. Kit includes (1) precision cast aluminum intake manifold, (2) "EV" RAD Valves, (1) carb adapter plate and all necessary installation hardware.

    Part Number: IM-001AKIT

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    $649.95

3 Item(s)

per page