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Belt drives on motorcycles typically are a little over one inch wide and carry considerably more torque than an Etek motor. A conservative estimate of a 3/4 inch wide belt for our final drive fits well within the working range shown on belt drive design tables.
If we allow for 1/8" to 1/4" clearance between belt and tire as do the motorcycle applications, we need to find 1" of space for our final drive. By tightening up the clearance between the fender well and our drive as compared to existing tire clearance on the inside and by adding a wheel spacer adapter, we can gain some additional space outside from existing tire/fender skirt clearance. A one inch wide space may be obtainable to shoe horn in our final drive without the need to modify the existing sheet metal and plastic.
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