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Frequently asked questions about cars and motorcycles

How to Change the Coolant on a KTM RC 390

Model: Ktm Rc 390
Part: Antifreeze coolant

Video tutorial

In this tutorial, we will see how to drain and replace the coolant on a KTM RC 390. First, remove the left side fairing to access the radiator cap; then unscrew the water pump screw to drain the old antifreeze, as shown in the video. At this point, unscrew the radiator cap and pour in the new coolant until it reaches the maximum level; start the engine to circulate the fluid, topping up if necessary!


Updated on 8 June 2026 by ScegliAuto


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How to Replace the Wing Mirror on a Harley Davidson Sportster

To replace the wing mirror on a Harley Davidson Sportster, loosen the nut located at the base of the mirror, at the bottom of the handlebars. Once this nut is fully loosened, you can slide out the pin that secures the mirror to the handlebars, completely removing the old mirror from its housing and replacing it with a new replacement part. The new mirror should be positioned, inserting the corresponding pin, and finally secured by tightening the nut at the bottom of the handlebars.

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by ScegliAuto

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