MAXIMA SKU: 78-99922

Maxima 80w90 Transmission Oil - Harley & Indian V-Twin (No Wet Clutch)

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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.

Experience smoother shifts and enhanced protection for your V-twin transmission with Maxima 80w90 Transmission Oil. This mineral-based gear oil is specifically formulated for Harley-Davidson and Indian Motorcycle models running 4-, 5-, or 6-speed transmissions without wet clutches. It provides superior wear protection and maintains a stable viscosity for consistent performance.

Why riders pick this

  • Mineral-based gear oil for V-twin transmissions
  • Formulated for Harley and Indian 4-, 5-, and 6-speed gearboxes (no wet clutch)
  • Superior protection from wear, pitting, and spalling
  • Shear-stable formula maintains viscosity for smooth shifting
  • Surface-active chemistry prevents corrosion and deposits

Maxima 80w90 Transmission Oil is engineered to meet the specific demands of V-twin motorcycles, offering robust protection against wear, pitting, and spalling. Its shear-stable formula ensures that viscosity is maintained across various operating temperatures, leading to consistently smooth gear changes. Riders looking for reliable, long-lasting performance from their gearbox will appreciate the benefits of this high-quality mineral-based fluid.

Optimized Gearbox Performance

  • Mineral-based gear oil offers reliable protection
  • Formulated for 4-, 5-, and 6-speed V-twin transmissions (non-wet clutch)
  • Superior protection against wear, pitting, and spalling
  • Shear-stable formula maintains viscosity for smooth shifting
  • Surface-active chemistry prevents corrosion and deposit buildup

Designed for Specific V-Twin Setups

This Maxima 80w90 transmission oil is an excellent choice for Harley-Davidson and Indian Motorcycle owners whose bikes utilize a transmission system separate from a wet clutch. Its specialized formulation ensures that your gears are well-lubricated and protected, contributing to a longer transmission life and a more enjoyable riding experience. Always confirm your specific model's requirements to ensure proper application.

Specifications

  • Brand: Maxima
  • Manufacturer Part #: 40-02901
  • UPC: 851211003249
  • Viscosity: 80w90
  • Size: 32 oz
  • Weight: 2.04 lbs
  • Dimensions: 2.6 in L × 5.7 in W × 9.15 in H

Common questions

Which V-twin transmissions is this oil compatible with?

This Maxima 80w90 Transmission Oil is formulated for 4-, 5-, and 6-speed Harley-Davidson and Indian Motorcycle V-twin transmissions that do not have wet clutches.

Can I use this oil if my bike has a wet clutch?

No, this specific formulation is for V-twin transmissions without wet clutches. Using it in a wet clutch system could lead to clutch slippage.

Does this oil meet industry specifications?

Yes, this Maxima 80w90 Transmission Oil exceeds API GL-5 specifications, ensuring high standards of performance and protection for your V-twin gearbox.

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
SKU78-99922
WEIGHT2.04 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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