⚠️ Fitment note: The Make/Model filter is for guidance only. Please verify model / year / engine size in the product description before purchase. The product description is the definitive fitment reference. If you’re unsure, message us and we’ll confirm fitment. Liqui Moly Motorbike HD Synth 20W-50 Street is a fully synthetic engine oil formulated for air- and water-cooled four-stroke motorcycle engines. It is particularly suitable for Harley-Davidson V-twin engines requiring a 20W-50 viscosity grade. This oil ensures optimal lubrication, high engine cleanliness, and excellent wear protection under all operating conditions, including extreme temperatures. Product Features: Fully synthetic formulation for superior performance Stable viscosity and resistance to ageing Excellent wear resistance and corrosion protection High engine cleanliness and thermal stability Suitable for engines with or without wet clutches Meets API SN PLUS and JASO MA2 specifications Recommended for Harley-Davidson H-D 360 Motor Cycle Oil 62600042 Technical Specifications: SAE viscosity grade: 20W-50 Density at 15°C: 0.850?g/cm³ Viscosity at 40°C: 140.0?mm²/s Viscosity at 100°C: 20.0?mm²/s Viscosity index: 165 Pour point: –36°C Flash point: 250°C Evaporation loss (Noack): 4.0% Total base number: 7.0mg KOH/g Sulfate ash: 0.8g/100g Application Information: Designed for year-round use in road, off-road, and racing motorcycles operating under normal to extreme conditions. Particularly suitable for Harley-Davidson V-twin engines requiring a 20W-50 synthetic motor oil. Ensure the product is used undiluted for optimal effectiveness.