Yamaha Mountain Max 800 STAGE1
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nThe Stage1 adds 8hp to your Yamaha Mountain Max without changing any parts! We have almost doubled the throttle response, you’ll be a lot faster than a stock one! Engine runs smoother and has more power & torque through all powerband. See the dyno chart on the left!
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nFor best performance with Stage1 we recommend DRT clutch kit!
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nThe Stage1 is available to be installed by any of our dealer, just bring your snowmobile or ecu and they will upgrade it
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nFind your Precision EFI dealer here