How to Inflate an MX Tire on Your Motocross Bike

There are three ways to fix a flat MX tire on a motocross bike. You can replace the tube, patch the puncture hole or squirt foam into the tire tube. Patching is the cheapest. Bike tires lose pressure with use just like a car—-sometimes all they need is a little bit of air.

Difficulty: Moderately Easy

Instructions

Things You'll Need:

• Tire gauge
• Air compressor
• Owner's manual

1. Check to see if the tire has a puncture hole. If so, repair it and then add air.

2. Determine if the tire has a slow leak that may require constant observation. A tire with a slow leak cannot be trusted.

3. Learn about high-pressured tires like the MX tires on the motocross. It is important to check the pressure every week.

4. Install the tire completely on the rim. Take the time to look at the tire and see if it is "seated." If a tire seats properly, it sits at the same depth all away around the rim.

5. Make sure the tire is off the ground when you begin to inflate. If the tire is off the ground, the tire seats itself naturally.

6. Pump air into the MX tire slowly. Get the correct shape before you inflate all the way. Once the tire is circular, you can finish the inflation.

7. Read the owner's manual to determine the lbs. of pressure the tire can withstand and don't fill over the limit.

Tips & Warnings

• It is important to always read the owner's manual before making repairs.
• Never over-inflate a tire—-they can and do explode.

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