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  1. J

    Install a #40 sprocket onto a MY-1020 motor

    Considering pitch gives me a headache. Especially now that I decided to go with the 420 chain. The only drive sprocket I could readily find at a doable price has 11teeth. This changes the ratio to 11:60. Not sure how much that charge will affect torque. I’m thinking not enough to matter with...
  2. J

    Install a #40 sprocket onto a MY-1020 motor

    Spot on for me. I had both problems. The whole build I had was cheesy. That’s the reason I’m re-building. Now I’m mounting both motors to a solid frame which is connected hard to the axles via a welded axle bearings. The only independent movement of the motors with redirect to their axle is...
  3. J

    Install a #40 sprocket onto a MY-1020 motor

    OK Im guilty of not providing enough data. There is more to the story. Firstly I’m building a utility of sorts kart, it will be used in the yard hauling yard tools, mulch sacks, loads of leaves in a yard trailer etc plus 130# of me. I have on hand two brushed my1020, 800watt 36 volt motors with...
  4. J

    Install a #40 sprocket onto a MY-1020 motor

    The MY-1020 e-motor utilizes a double D, 8.5mm X 10mm sprocket. I have seen #40 sprockets with that bore which I could install but….. the reason to change sprockets is to enable stronger chain. I’m just speculating that the standard #25 chain that came with the 800watt motor may be to weak...
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