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How to Change the Transmission Oil in a Harley Davidson Fat Bob

Model: Harley Davidson Fat Bob
Part: Transmission fluid

Video tutorial
Detailed instructions - This guide provides instructions on how to change the transmission oil in a Harley Davidson Fat Bob. First, place the bike on the stand and start unscrewing the screws of the plastic cover located under the transmission; then unscrew the oil drain bolt, allowing it to drain into a container for about ten minutes, as shown in the video. At this point, unscrew the fill cap and top up with new transmission oil that meets the specifications indicated in the owner's manual; then start the engine!

Posted on 7 October 2026 by ScegliAuto


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by ScegliAuto

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