How To Test Psi - Yamaha YZ250 2001 Repair Manual

Chapter IV

How to Test PSI

Testing the PSI of you dirt bike tire is very simple.
 Step1: Remove valve cap from valve stem.
 Step2: Firmly press your PSI gauge into the valve stem until the stick
comes to a complete stop.
 Step3: Interpret your results:
o If your PSI gauge reads below 20psi, then add air to your tire and
test again.
o If your gauge reads above 20psi, then remove some air and test
again.
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