Yamaha YFM 90 2021 Owner's Manual page 18

This unit contains high-pressure nitrogen
gas.
Mishandling can cause an explosion. Do not
incinerate, puncture or open.
2
EN228 fuel identification mark.
Gasoline of ethanol 5% or less can be used.
E5
EN228 fuel identification mark.
Gasoline of ethanol 10% or less can be
used.
E10
Use unleaded gasoline only.
Measure the tire pressure when the tires are
cold.
Adjust the tire pressure.
Improper tire pressure can cause loss of
control.
Loss of control can result in severe injury or
death.
**.* kPa **.* kPa
*.** kgf/cm² *.** kgf/cm²
*.* psi *.* psi
2-5