Motocross tire fitting
Posted on May 14, 2008
Filed Under Maintenance |
Put your new tire in the sun to warm it. A cold tire will be much stiffer than a warm one and warming it makes the entire process far easier.
Place your wheel on the work stand or bucket and remove the valve core to release all the air.
Loosen the nut on the rim lock until it is at the very end of the threads. If it has one, remove the nut from the valve stem.
You need to “break the bead” from one side of the rim. Using your tire lever between the rim and the tire, push down on the tire and work your way around the entire wheel.
You can spray some soapy water between the tire and rim but be careful, it will make things slippery. You can also use a bead breaker tool
If you have rim protectors place them on now. With your tire lever work the bead off the rim starting at one side and working your way around the rim.
Flip the wheel over and repeat this process.
Push the rim into the center of the tire and pivot the rim out of the old tire.
Remove the inner tube from the old tire and inspect for damage - usually around the valve stem. If you find damage replace with a new one. If there is no damage, insert valve core and add a small amount of air to give it body.
Grab hold of your new warm tire and squirt some talcum powder inside. Roll it around to cover well. The talc allows the inner tube to rotate into its natural shape during inflation. Insert the semi inflated tube in the tire.
Once you have tube in the tire, push the valve stem through the hole in the rim and screw the lock nut on to hold it in place.
Place the wheel onto your stand and push the tire onto the rim. Using a tire lever, work the bead onto the rim so you have half the tire on.
Slide two tire levers under the bead to catch the corner of the tire, push the rim lock into place.
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