Do it yourself
Frequently asked questions about cars and motorcycles
To change the engine oil on the Harley Davidson Fat Boy, loosen the drain plug located at the bottom centre of the vehicle's oil sump. Once the plug is loosened, collect all the used oil in a container placed underneath. Next, remove the oil filter from its housing at the front of the bike, just behind the front wheel; then top up by adding new oil through the breather located on the right side of the bike.

Updated on 30 August 2026 by ScegliAuto

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