Basic Maintenance Procedures
Wheel Rims & Spokes
Maintenance of spoke tension and wheel trueness (roundness) is critical to safe motorcycle
operation. During the first 100 miles 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 Monster Moto your Monster Moto dealer.
Wheel Rim
Spoke
Wheel Rim Inspection Procedure
1. Inspect the wheel rims and spokes for damage.
Feel all of the spokes with your fingers to make sure
none are loose.
2. Tighten any loose spokes with a small adjustable
wrench or spoke wrench.
3. Elevate each wheel off the ground, one at a time,
and spin the wheel slowly. Look for a wobble in the
wheel. If a wobble is evident, the wheel is not
“true”. See your Monster Moto dealer or local
motorcycle shop for inspection.
Tire Air Pressure
Properly inflated tires will provide you with the best combination of handling, tread life, and riding
comfort. Generally speaking, underinflated tires will wear unevenly and adversely affect handling.
Underinflated 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.
Using tires that are excessively worn or improperly inflated can cause a crash in which
you can be seriously hurt or killed. Follow all instructions in this owners manual regarding tire inflation
and maintenance.
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, follow the tire
pressure marked on the sidewall of the tire.
Front Tire (Cold)
Rear Tire (Cold)
32 PSI (220 kPa, 2.2 kgf/cm²)
36 PSI (248 kPa, 2.5 kgf/cm²)
27 Maintaining Your Dirtbike
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