Knowledge Centre

Harley-Davidson Carburettor Problems: What to Check Before Changing Jets
A running problem does not automatically require different jets. Start with the symptoms, fuel supply and intake sealing before changing carburettor settings.

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Choosing Petrol for Your Harley-Davidson: E5, Ethanol and Fuel-System Care
Why favour E5, and what else needs checking? A practical guide to ethanol, older fuel-system components, octane requirements and storage care.

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Harley-Davidson Carburettor Problems: What to Check Before Changing Jets