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  1. 2017 TRX420FA6 w/ 2013 FM motor. Needs custom propeller shaft

    Performance Modifications
    I have been running this mismatched spline setup for over a year now. I have made several propeller shafts by taking a 2017 420 FA6 and a 2013 420 FM shaft, cutting them in half and welding them together. Eventually they break, whether it be at the weld or somewhere on the shaft. Does anyone...
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