Motorcycle Maintenance and Oil Information for 2001 KTM Duke 640
Planning maintenance for the 2001 KTM Duke 640 begins with matching the lubricant to the exact engine application. Use the product listing as a reference and the manufacturer’s instructions for the correct oil-change procedure.
What kind of oil does a 2001 KTM Duke 640 take?
The listed engine-oil viscosities for this application are 15W-50, 10W-50. Catalog-matched oil products include 15W-50 Synthetic Metric Motorcycle Oil, 10W-50 Synthetic Dirt Bike Oil. Check the owner’s manual for any additional oil requirements beyond the listed viscosity.

