Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
Follow these instructions to drain and replace the coolant in your Ktm RC 390 motorcycle. First, place your bike on a stand and begin unscrewing the bleed screw located on the water pump casing, allowing the fluid to drain into a container for about ten minutes; then unscrew the radiator filler cap as shown in the video. At this point, top up with the new antifreeze suitable for your radiator; pour in the correct amount while starting the engine!

Updated on 2 August 2026 by ScegliAuto

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