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Yamaha Motorcycle Mikuni BS34 38 CV Carb Slide Needles, Needle Jets and Mixture Screws

Mikuni BS34 38 CV Carb Slide Needles, Needle Jets and Mixture Screws

The air/fuel mixture is the most critical aspect of proper carburetor tuning — Nothing effects motorcycle performance more. Start your Yamaha carb restoration off the right way with a new carburetor mixture screw kit. It includes everything you need to smooth out your mixture. Or, you can get only the parts from the kit that you need. We sell Mikuni VM and CV air adjusting screws, slide needles and preload springs. And you can drastically improve your XS café racer performance with a Dyno Tune needle and jet kit from Heiden. For small mixture adjustments due to elevation and temperature fluctuations, we offer the handy Mikuni Pocket Tuner.

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  1. Jet Needle - 4M1 - XS650 1976-1977
    Part #
    48-0657
    • Out of stock
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