Klotz Synthetic Transmission Gear Lube - 80w90 32 FL OZ

Klotz Synthetic Transmission Gear Lube 80W90 is a full-synthetic formulation engineered specifically for Harley-Davidson Big Twin transmissions and V-twin drivetrains. It reduces friction and heat while delivering smoother shifts and extended component life.

Features

• Custom formulated for Harley Big Twin transmissions
• Smoother and quieter shifting
• Reduced driveline friction and gear temperatures
• Protection from shock loading and galling
• Extended bearing and gear life
• Warranty compliant with OEM specifications

Specifications

• Brand: Klotz
• Manufacturer Part #: KH-GL90
• Viscosity: 80W90
• Size: 32 fl oz
• UPC: 028175015902
• Weight: 1.95 lbs
• Dimensions: 11 in L × 3 in W × 3 in H

Fitment

Suitable for V-twin motorcycles, including Harley-Davidson Big Twin models and Indian Motorcycles.

Frequently Asked Questions

Is this lube warranty compliant with Harley?

Yes — Klotz Synthetic 80W90 is certified to meet OEM Harley-Davidson Big Twin transmission requirements.

Can I use this in my Indian Motorcycle transmission?

Yes, this full-synthetic 80W90 is formulated for V-twin drivetrains and works in both Harley and Indian applications.

How much fluid does my transmission need?

Check your owner's manual for the exact capacity — transmission sizes vary by year and model. A 32 oz bottle is typically one refill or partial top-up.

Will switching to synthetic improve my shifting feel?

Yes — the reduced friction in Klotz synthetic formulations generally results in smoother, quieter gear engagement compared to mineral lubes.