Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Model: Ktm Duke 390
Part: Spark plugs

In this brief and simple guide, you will find instructions to remove and replace the engine spark plug on the KTM Duke 390 motorcycle. First, place your motorcycle on a stand and start by disconnecting the spark plug connector, located at the top of the cylinder head; then use a socket spanner with an extension to unscrew and remove the spark plug, as shown in the video. At this point, install the new spark plug of the correct type and with the same thread pitch; screw it in by hand and then tighten with a spanner, following the instructions in the user and maintenance manual!

Updated on 19 August 2026 by ScegliAuto

Video tutorial

Related tutorials

How to change the spark plug of the KTM Duke 390
How to change the spark plug of the KTM Duke 390
Duke 390 Today's main instructions will show us how to disassemble and replace the spark plug of the KTM Duke 390 motorcycle, in simple steps. First, we put t…
How to replace the spark plug in the KTM Duke 390?
How to replace the spark plug in the KTM Duke 390?
Duke 390 In this tutorial we can see how to replace the spark plug in the KTM Duke 390, an extremely simple and quick operation. First of all, make sure that …
How to disassemble and replace the spark plug of the KTM Duke 390
How to disassemble and replace the spark plug of the KTM Duke 390
Duke 390 Today we will see the process of disassembling and replacing the spark plug of the engine of the KTM Duke 390, in simple and quick steps. First, we p…

How to Replace the Battery in a Yamaha Vino 125 Scooter?

In this tutorial, you will see how to replace the battery in a Yamaha Vino 125 scooter, a very simple and quick operation. First, ensure that the key is not inserted for safety. Then, lift the rubber mat and, using a simple cross-head screwdriver, unscrew the two screws securing the plastic cover. Once opened, disconnect both terminals, starting with the negative, and remove the battery from its housing. To fit the replacement, simply follow the reverse procedure.

Watch the video!


by ScegliAuto

More videos