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Frequently asked questions about cars and motorcycles

How to Reset the Service Light on a KTM Duke

Model: Ktm Duke 390
Part: Service warning light

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In this video, see how to reset the service light on a KTM Duke 125. Turn on the ignition, and navigate using the arrows found on the instruments to the menu on the left knob. Scroll down to 'Preferences', and press the right and left arrows simultaneously.

This will bring up the service menu, allowing you to choose which service to reset, either by mileage or time interval. Use the arrow keys to select your preference.


Posted on 22 February 2026 by ScegliAuto


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How to Replace the Piston on a Derbi GPR 125

To replace the piston on a Derbi GPR 125, loosen the bolts securing the cylinder head to its housing, allowing it to be removed along with the valve cover. This will enable you to access the bolts securing the cylinder at the top of the engine, allowing for its complete removal and revealing the underlying piston. The piston can now be freed from its securing bolts, enabling you to position the new piston onto the corresponding conrod. After installation, refit the engine components.

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by ScegliAuto

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