Maxima Hypoid Synthetic Gear Oil - 75w90 1l

Maxima Hypoid Synthetic 75W-90 is a full synthetic, ester-based gear oil engineered for V-twin motorcycle transmissions and primary drives. Formulated to exceed API GL-5 specs with superior thermal stability, shear resistance, and corrosion protection across temperature extremes.

Features

• Full synthetic ester-based 75W-90 formulation
• Exceeds API GL-5 specifications
• Shear-stable formula maintains viscosity and smooth shifting
• Surface-active chemistry prevents corrosion and keeps gears clean
• Superior oxidative stability at high and low temperatures
• Designed for Harley-Davidson and BMW motorcycle applications

Specifications

• Brand: Maxima
• Manufacturer Part #: 44901
• UPC: 851211006417
• Viscosity: 75W-90
• Type: Full Synthetic Ester-Based
• Volume: 1 liter
• Weight: 2.02 lbs
• Dimensions: 5.75 in L × 2.65 in W × 9.15 in H

Fitment

Fits V-twin motorcycles, including Harley-Davidson and BMW applications.

Frequently Asked Questions

What weight oil should I use in my Harley transmission?

Check your owner's manual for the correct viscosity. Maxima 75W-90 is a popular choice for many V-twin transmissions and primary drives.

Is this synthetic oil compatible with my older Harley?

Maxima ester-based synthetics are formulated for both modern and classic V-twin engines. Verify your manual if your bike predates 1990.

Does this oil improve shift quality?

The shear-stable formula reduces friction and maintains consistent viscosity, which riders often report as smoother, more positive shifts.

How often should I change my gear oil?

Follow your motorcycle's service manual — typically every 20,000 to 50,000 miles depending on model and riding conditions.

Will this work in my primary drive?

Yes — Maxima 75W-90 is formulated for both transmission and primary drive applications in V-twin motorcycles.