On models with belt drives, the plug may be partially obstructed by the primary drive cover. Best Practices for Draining and Refilling.
Harley Oil Drain Plug Model Years: Locating by Model and Year
Locating the harley oil drain plug correctly is the foundational step in any routine maintenance procedure. Always replace the washer with a new one of the correct thickness and material to maintain the integrity of the drain system and prevent potential fire hazards from oil contacting hot exhaust components.
Identifying the Drain Plug on Sportster Models Sportster enthusiasts will find the drain plug positioned on the front lower side of the engine. Identifying the Drain Plug on Touring Models On Touring models, such as the Road King, Street Glide, and Electra, the oil drain plug is situated directly beneath the transmission.
Harley Oil Drain Plug Model Years and Typical Locations by Series
Model Series Typical Location Socket Size (mm) Torque Spec (Nm) Touring (2018+) Under transmission 19 45-50 Sportster (2020+) Front lower engine 17 30-35 Softail (Milwaukee-Eight) Bottom of transmission 19 40-45 The Importance of a Proper Seal The factory-installed crush washer or copper gasket on the harley oil drain plug is designed to create a tight seal against the aluminum drain port. Without this protective cover, riders risk damaging the plug or scraping their boots on the exhaust pipes during the draining process.
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