Maxima Sportster Gear & Chain Case Oil - Gear&chain Case OIL 32oz V-Twin

Maxima Sportster Gear & Chain Case Oil is a mineral-based motorcycle gear oil formulated for Harley-Davidson Sportster transmissions and primary chain cases. The shear-stable formula minimizes chain and gear wear while ensuring smooth clutch engagement and extended chain life.

Features

• Mineral-based motorcycle gear oil
• Formulated for Sportster transmissions and primary chain cases
• Shear-stable formula minimizes chain and gear wear
• Optimizes clutch engagement for smooth shifts
• Extends chain life by reducing stretch and wear

Specifications

• Brand: Maxima
• Manufacturer Part #: 40-03901
• UPC: 851211003270
• Volume: 32 oz
• Weight: 2.02 lbs

Fitment

Fits Harley-Davidson Sportster transmissions and primary chain cases, 1971 and newer. Compatible with V-twin motorcycles using similar transmission and chain case designs.

Frequently Asked Questions

What's the difference between this and regular engine oil?

Gear oil is thicker and contains additives to protect high-pressure gear teeth and chain drives, whereas engine oil is lighter and designed for engine bearings.

Can I use this in my 1968 or older Sportster?

This oil is formulated for 1971 and newer Sportster transmissions and chain cases. Older models may require different specifications.

How often should I change it?

Follow your motorcycle's service manual — typically every 20,000 miles or annually, whichever comes first.

Will this work in an Indian motorcycle transmission?

This product is designed for Harley Sportster applications. Check your Indian's owner manual or consult a dealer to confirm compatibility with your specific model.

What's included?

One 32 oz bottle of Maxima Sportster Gear & Chain Case Oil, ready to pour.