Which viscosity do you use in a Honda rancher 350 2000 model?

For a 2000 Honda Rancher 350, it is generally recommended to use 10W-40 or 10W-30 motor oil, depending on the climate and operating conditions. In colder temperatures, 10W-30 may be preferred for easier starting, while 10W-40 can provide better protection in warmer conditions. Always check the owner's manual for the manufacturer's specific recommendations.