Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
As seen in this tutorial, replacing the air filter in the Harley-Davidson Softail Slim is an extremely simple and quick operation. For this, you will only need a set of hex keys. First, go to the right side of the bike, then locate the cover of the filter housing and unscrew the single central bolt. Next, unscrew the three additional bolts, remove the filter from the box, and clean it of any dirt residue. At this point, you can insert the replacement and follow the reverse procedure to reassemble everything.

Updated on 3 July 2026 by ScegliAuto

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This brief guide will illustrate the main steps to perform the routine maintenance service on the Piaggio Vespa GTS 300, replacing the engine oil and oil filter. First, place the scooter on the centre stand and start by unscrewing the oil drain bolt found under the engine, allowing it to drain into a container for about ten minutes; then unscrew the oil filter cartridge using the appropriate tool, and hand-tighten the new one. Finally, unscrew the filler cap and top up, filling to the maximum level mark!

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