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OnBuy.com£12.99Visit shop Tyre & Inner Tube 9 X 3.50-4 Block Knobbly Tread Petrol Scooter 5055583034763
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The PetrolScooter 9 x 3.50-4 tyre and inner tube set is designed for hobbyists and owners of petrol scooters, go-karts, and Chinese off-road vehicles who require a reliable, multi-terrain replacement component. Its primary strength lies in its versatile tread pattern that balances durability on tarmac with necessary grip for light off-road use, though users should note it is specifically sized for 4-inch rims and may not fit standard smaller scooter wheel setups.
| Model Part Number | 23889 |
|---|---|
| Brand | PetrolScooter |
Yes, this is a complete set containing one tyre and one matching inner tube.
Only if your scooter wheels are specifically designed for the 9 x 3.50-4 tyre size. Please check your current tyre sidewall markings.
The '4' refers to the diameter of the wheel rim in inches.
No, this tyre is intended for off-road machines, go-karts, and scooters; it is not rated for highway or high-speed automotive use.
Look for a directional arrow stamped on the sidewall of the tyre and ensure it points in the direction of forward rotation.
Apply a small amount of soapy water to the tyre bead to help it slip into position while inflating.
Check the interior of the tyre casing for debris and ensure the rim tape is covering the spoke heads properly.
Verify the tyre is seated evenly around the entire circumference of the rim and that the tyre pressure is uniform.
To install this set, ensure your vehicle is securely propped up and the wheel is removed. Deflate the old tube completely before using tyre levers to pry the bead off the rim. When installing the new inner tube, inflate it just enough to give it shape to prevent pinching during tyre seating. Check the tyre sidewall for the 'Rotation' arrow to ensure correct directional mounting. For care, keep the tyre pressure at the manufacturer's recommended level to prevent pinch flats and irregular wear. Regularly inspect the tread for embedded stones or sharp objects that could penetrate the rubber.
