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Rev Box RPM Increase - 04-08 Yamaha Raptor 50


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  • Model: 40-R21
  • Manufactured by: Big Gun


04-08 Yamaha Raptor 50

    Big Gun Rev Boxes are designed to increase your RPM limit by approximately 1,000 RPM depending on the model of your machine. In addition, our Rev Boxes are remapped with a built in timing curve which provides noticeable horse power & torque gains. Big Gun Rev Boxes are an easy plug-n-play installation.

    This part fits the following

    ATV / SxSYamahaYFM50 Raptor2004501
    ATV / SxSYamahaYFM50 Raptor2005501
    ATV / SxSYamahaYFM50 Raptor2006501
    ATV / SxSYamahaYFM50 Raptor2007501
    ATV / SxSYamahaYFM50 Raptor2008501

    This product was added to our catalog on Tuesday 27 September, 2016.

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