MAXIMA SKU: 78-99919

Maxima Synthetic Blend 20W50 V-Twin Engine Oil - Harley & Indian V-Twin

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About Maxima

Maxima Racing Oils has blended lubricants in California since 1979 and supplies factory race teams across powersports. Its V-twin oils are formulated for the shared-sump and air-cooled realities of American engines.

Maxima Synthetic Blend 20W50 engine oil is an advanced, ester-fortified formulation developed specifically for both air-cooled and liquid-cooled V-twin motorcycle engines. This semi-synthetic blend offers enhanced protection over conventional oils, making it ideal for modern Harley-Davidson and Indian Motorcycle platforms.

Why riders pick this

  • Semi-synthetic, ester-fortified V-twin formula
  • For air-cooled and liquid-cooled Harley & Indian engines
  • Superior protection across all temperature ranges
  • Maintains reliable clutch feel and film strength
  • Exceeds API SL and JASO MA2 specifications

This high-performance synthetic blend delivers superior protection across a wide range of operating temperatures, ensuring consistent performance whether you're cruising or pushing your V-twin hard. Its shear-stable viscosity maintains optimal film thickness, crucial for high-stress engine components, while preserving reliable clutch feel and reducing oxidation and wear. Maxima Synthetic Blend 20W50 exceeds API SL and JASO MA2 specifications, providing peace of mind for demanding riders.

Enhanced Protection for Modern V-Twins

  • Semi-synthetic, ester-fortified four-stroke formula
  • Engineered for both air-cooled and liquid-cooled V-twin engines
  • Superior protection across diverse temperature ranges
  • Maintains reliable clutch feel and film strength
  • Reduces oxidation and wear for extended engine life

Performance You Can Trust

Choosing Maxima Synthetic Blend 20W50 means opting for a higher level of engine protection for your V-twin. Its advanced chemistry is designed to combat the challenges of modern V-twin powerplants, ensuring smoother operation, reduced heat buildup, and prolonged component life. It's the smart choice for riders looking to maximize the performance and durability of their Harley-Davidson or Indian Motorcycle.

Specifications

  • Brand: Maxima
  • Manufacturer Part #: 30-14901
  • UPC: 851211003157
  • Viscosity: 20W50
  • Size: 32 oz
  • Weight: 2.03 lbs
  • Dimensions: 5.75 in L x 2.6 in W x 9.15 in H

Common questions

Is this oil compatible with my Harley-Davidson or Indian Motorcycle?

Yes, Maxima Synthetic Blend 20W50 is specifically formulated for V-twin air-cooled and liquid-cooled engines, making it suitable for both Harley-Davidson and Indian Motorcycle models.

Is this a full synthetic oil?

This is a synthetic blend, combining synthetic and mineral base oils with ester fortification to provide superior protection and viscosity stability over conventional mineral oils.

Will this oil maintain good clutch feel?

Yes, this oil is engineered to provide excellent clutch protection and maintain reliable clutch feel, ensuring smooth and consistent engagement.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDMaxima
TYPEChemicals
SKU78-99919
WEIGHT2.03 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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