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Xmotos XB21A 2018 Operating Instructions Manual page 39

Dirt bike, pitbike

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Maintenance of spoke tension and wheel trueness (roundness) is critical to safe motorcycle operation.
During the first 100miles of riding, spokes will loosen faster due to the initial seating of the parts.
Excessively loose spokes will cause the motorcycle to become unstable at high speed and could cause you to
lose control. Loose spokes can also cause rim and spoke damage (not covered in the warranty).
It is not necessary to remove the wheels for regular maintenance. However, information on wheel removal is
available from Xmotos.
Properly inflated tires will provide you with the best combination of handling, tread life, and riding comfort.
Generally speaking, under inflated tires will wear unevenly and adversely affect handling. Under inflated
tires are also more likely to fail from being overheated and can cause wheel damage on rocky terrain.
Overinflated tires will cause the motorcycle to ride harshly, are prone to failure from surface hazards and
wear unevenly.
Make sure the valve stem caps are secure, if needed, install a new cap. Always check air pressure when your
tires are cold. If you check the air pressure when the tires are warm, you will get higher readings. If you let
air out of warm tires to match the recommended cold tire pressure, the tires will be underinflated. The
correct cold tire pressures are listed below. If you replace the tire, inflate the tire to the following tire
pressure amount marked below.
TIRE PRESSURE
Front Tire
70/100-14
Rear Tire
80/100-12
1. Inspect the wheel rims
2. Tighten any loose spokes with a small adjustable wrench
3. Elevate each wheel off the ground, one at a time, and
(off-road)
15-18Psi (104-124 kPa)
32-36Psi (220-250 kPa)
Feel all of the spokes with your fingers to make sure
none are loose.
or spoke wrench from the spoke nut
spin the wheel slowly. Look for a wobble in the wheel. If
a wobble is evident, the wheel is not"true". See your
Xmotos dealer or local motorcycle shop for inspection.
TIRE PRESSURE
Front Tire
70/100-17
Rear Tire
90/110-14
USING TIRES THAT ARE EXCESSIVELY WORN OR
IMPROPERLY INFLATED CAN CAUSE A CRASH IN
WHICH YOU CAN BE SERIOUSLY INJURED OR
KILLED. FOLLOW ALL INSTRUCTIONS IN THIS
OWNER'S MANUAL REGARDING TIRE INFLATION
AND MAINTENANCE.
39
and spokes
for damage.
(off-road)
15-18Psi (104-124 kPa)
15-18Psi (104-124 kPa)
WARNING

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