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How to Change the Gear Oil on a KTM SX 125

Model: Ktm Sx 125
Part: Transmission fluid

Video tutorial

In today's video, learn how to change the gear oil on the KTM SX 125 enduro bike, as well as the 50 model. First, place your bike on a stand and start loosening the oil drain bolt located under the engine using a socket spanner; allow the oil to drain into a container for about ten minutes.

Next, remove and clean the small oil filter; now open the fill hole and pour in the new transmission oil of the correct type (as indicated in the owner's manual).


Updated on 5 May 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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