✓ VERIFIED
Apr 30, 2026
Perfect for the track
Quality product.
MAXIMA
SKU: 78-9920
Maxima Racing 7W Fork Fluid 5-Gallon - Harley & Indian V-Twin
$299.99
Free shipping on orders $99+ · Best value guarantee
affirm
From $24.99/mo with Affirm.
See if you prequalify
IN STOCK
— Ships within 24 hours
Free Shipping on orders $99+
Best Value Guarantee
30-Day Returns — see policy
Authorized Dealer — sourced direct
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.
Maxima Racing Fork Fluid 7W is a mineral-based racing fork oil for V-twin motorcycles, specifically formulated to reduce friction and prevent stiction in high-performance applications. This 5-gallon container delivers consistent damping performance by minimizing foaming, conditioning seals, and protecting against corrosion and wear.
Why riders pick this
- Mineral-based racing 7W fork fluid
- Reduces friction and prevents stiction
- Shear-stable, high viscosity index
- Minimizes foaming for consistent damping
- Conditions seals and resists corrosion
- 5-gallon bulk size for shops and multiple bikes
For riders who demand more from their V-twin's front end, Maxima Racing Fork Fluid 7W provides a crucial upgrade. Its advanced mineral-based formula ensures that your forks operate smoothly and predictably, even under aggressive riding. This fluid is designed to maintain consistent damping characteristics, giving you better control and a more confident feel through corners and over rough terrain.
Enhanced Fork Performance
- Mineral-based racing fork fluid for V-twin applications
- Shear-stable, high viscosity index formula
- Reduces friction and prevents stiction for smoother action
- Minimizes foaming and air entrainment for consistent damping
- Conditions seals and eliminates corrosion for longevity
- Convenient 5-gallon bulk container for shops or frequent use
Optimized for Aggressive Riding
A properly tuned suspension is key to unlocking your V-twin's full potential. Maxima Racing Fork Fluid 7W helps achieve that by providing stable, predictable damping that resists fade. This 5-gallon size is perfect for shops servicing multiple Harley-Davidson and Indian Motorcycle models, or for dedicated riders who perform their own frequent suspension maintenance.
Specifications
- Brand: Maxima
- Manufacturer Part #: 59505-7
- UPC: 851211006240
- Viscosity: 7W
- Size: 5 gallons
- Weight: 41.07 lbs
- Package Dimensions: 12 in L × 12 in W × 15 in H
Common questions
What viscosity is this Maxima Racing Fork Fluid?
This is 7W racing-grade fork fluid, which is a light oil suitable for performance-tuned fork applications and can be beneficial in cooler operating conditions. Always check your bike's manual.
Is this fork fluid compatible with Harley-Davidson and Indian Motorcycle models?
Yes, Maxima Racing Fork Fluid 7W is designed to fit fork damper systems in V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models. Always confirm fitment with your specific model.
Why choose a 5-gallon container of fork fluid?
A 5-gallon container is ideal for motorcycle shops, racing teams, or riders who frequently service multiple V-twin motorcycles, providing a cost-effective and convenient supply.
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.
| BRAND | Maxima |
| TYPE | Chemicals |
| SKU | 78-9920 |
| WEIGHT | 41.07 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.88
8 RATINGS
5★
7
4★
1
3★
0
2★
0
1★
0
✓ VERIFIED
Nov 6, 2025
Fork Oil
Great product for the price, that works as it should.
✓ VERIFIED
Mar 14, 2025
Fork oil
Fork oil. It goes in the forks. Easy to use.
✓ VERIFIED
May 16, 2022
A good quality fluid and I like the convenience of the container.
✓ VERIFIED
May 4, 2019
Just the right amount of fluid to fill both forks.
✓ VERIFIED
Mar 5, 2015
Put in my KYB fork
Bled my damper with this stuff, and it worked just as it should.
