Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
In this brief and simple guide, follow these steps to bleed and replace the coolant in a KTM Duke 390. First, place your bike on a stand and unscrew the bleed screw located on the water pump casing, allowing the old fluid to drain into a container for about ten minutes. Then, unscrew the radiator cap as shown in the video. Now, top up with new fluid suitable for your radiator, filling until you reach the maximum mark!

Updated on 17 July 2026 by ScegliAuto

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