Rear clutch spring tuning for 4T scooters
General description
- assuming you can increase the rpm with the blue one by 1000 rpm and the yellow one by 1500 rpm
- yellow height: 108 mm
- outer diameter of yellow: 57 mm
- wire thickness of yellow: 4.5 mm
- height of blue: 100 mm
- outer diameter of blue: 57 mm
- wire thickness of blue: 4 mm
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