Motorcycle Maintenance and Oil Information for 2008 KTM Duke 640
Servicing the 2008 KTM Duke 640 starts with the motorcycle’s oil specification rather than a generic product recommendation. Check the model-specific guidance for choosing the lubricant and completing the refill correctly.
What type of engine oil does a 2008 KTM Duke 640 need?
In the product lookup for this model, 10W-50, 10W-60 are the engine-oil grades shown. The matching oil selection includes 10W-50 Synthetic Dirt Bike Oil, 10W-60 Synthetic Dirt Bike Oil. Confirm the manufacturer’s complete oil specification before using a listed product.

