Q. Sp 125 milegae shows 1.5, instead of actual number either 60 or 65, pls help

The wheel diameter is measured from lip to lip of a tyre, and coincides with the wheel rim size. The wheel radius is half the wheel diameter, the distance from the centre of the wheel, the axle, to the outer edge

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Keep the interiors of your car dry as it can be very tricky, painful and expensive to clean up damp interiors.