Maxima Racing Fork Fluid - 5w 5gal

Maxima Racing Fork Fluid 5W is a mineral-based racing fork oil engineered for V-twin motorcycles, delivering consistent damping performance and reducing friction under high-performance riding. The 5-gallon bulk size is ideal for shops, fleets, or riders who service multiple bikes regularly.

Features

• Mineral-based racing formula
• Shear-stable, high viscosity index
• Reduces friction and prevents stiction
• Minimizes foaming and air entrainment
• Conditions seals and prevents corrosion
• 5-gallon bulk size

Specifications

• Brand: Maxima
• Manufacturer Part #: 59505-5
• UPC: 85121100621
• Viscosity: 5W
• Size: 5 gallons
• Type: Mineral-based racing fork fluid
• Weight: 40 lbs
• Dimensions: 12.4 in L x 12.6 in W x 15.6 in H

Fitment

For V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What bikes use this fork fluid?

Maxima 5W racing fork fluid is designed for V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models.

How often should I change my fork oil?

Fork oil should be serviced every 10,000–15,000 miles or annually, whichever comes first. Check your bike's service manual for exact intervals.

Can I use this in any fork application?

This is a racing-spec fluid. Always verify your fork manufacturer and your bike's service manual recommend a 5W weight before use.

Is 5 gallons enough for multiple bikes?

A typical fork service uses 5–10 oz per fork depending on the bike. One 5-gallon jug will service 50+ individual forks, making it economical for shops and multi-bike owners.

What's the difference between mineral and synthetic fork oil?

Mineral-based formula like this one is stable at high temperatures and offers excellent damping control. Synthetic alternatives may offer longer service intervals but cost more.