✓ VERIFIED
Dec 27, 2022
Works as advertised long life without breaking down is important in fork oil
MAXIMA
SKU: 78-99927
Maxima 20wt Fork Oil - Harley & Indian V-Twin
$47.000,00
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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.
Achieve superior front-end control for your V-twin with Maxima 20wt Fork Oil. This mineral-based hydraulic fluid is specifically engineered for Harley-Davidson and Indian Motorcycle fork systems, delivering robust performance. Fortified with Lubricinol, it significantly reduces friction and stiction, ensuring consistent damping and film strength under heavy loads.
Why riders pick this
- Mineral-based formula for V-twin fork systems
- Lubricinol-fortified to reduce friction and stiction
- Shear stable with high viscosity index for consistent damping
- Minimizes foaming and air entrainment
- Conditions seals and prevents corrosion
Maxima 20wt Fork Oil is designed for riders who demand precise handling and a firm, controlled ride from their V-twin. Its advanced mineral-based formula maintains critical film strength through extreme damping cycles, providing reliable performance when you push your bike. Beyond just damping, this fork oil actively works to minimize foaming and air entrainment, ensuring consistent suspension action and protecting your fork seals from premature wear and corrosion.
Enhanced Suspension Performance
- Mineral-based formula for reliable hydraulic performance
- Lubricinol-fortified to reduce friction and stiction
- Shear stable with a high viscosity index for consistent damping
- Minimizes foaming and air entrainment for predictable feel
- Conditions seals and prevents corrosion, extending component life
Dial in Your Front End
The 20wt viscosity of this Maxima Fork Oil is a common choice for V-twin fork systems, often preferred by riders seeking a firmer front end or those with heavier bikes. It's an excellent way to fine-tune your Harley-Davidson or Indian Motorcycle's suspension to match your riding style and road conditions. Always consult your bike's owner's manual or a qualified technician to confirm the correct fork oil weight for your specific application.
Specifications
- Brand: Maxima
- Manufacturer Part #: 50-03901
- UPC: 851211003393
- Viscosity: 20wt
- Size: 32 oz
- Weight: 2.01 lbs
- Dimensions: 2.65 in L x 5.75 in W x 9.15 in H
Common questions
What viscosity is this fork oil?
This Maxima Fork Oil is 20wt, a common weight for V-twin fork systems. Always check your owner's manual or fork specifications to ensure it's the correct viscosity for your bike.
Is this suitable for Harley-Davidson and Indian Motorcycle forks?
Yes, this mineral-based hydraulic fluid is engineered for V-twin fork systems, including Harley-Davidson and Indian models that require 20wt mineral fork oil.
Does this oil help with fork smoothness?
Yes, it is Lubricinol-fortified to reduce friction and stiction, which contributes to a smoother and more responsive front suspension feel.
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 | 78-99927 |
| WEIGHT | 2.01 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.89
35 RATINGS
5★
32
4★
2
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✓ VERIFIED
Jun 9, 2021
Great fork oil! This exact fork oil comes with Legends Aexo front end kits. If it’s good enough for Legends then it’s good enough for me! Thanks JPC!
✓ VERIFIED
Jul 18, 2019
less than 1/4 the cost of HD
✓ VERIFIED
Feb 17, 2017
Seems to be a good quality oil at a good price. If you need help on how to change your fork oil check out my video explaining how I do it with Maxima oil- https://www.youtube.com/watch?v=1u7w-Rb0HS4
✓ VERIFIED
Jun 1, 2025
Dogger sent me.
Great stuff<br />Fork oil worked perfectly
✓ VERIFIED
May 30, 2025
FORK OIL AND DRAIN SCREWS
REPLACED OLD OIL WITH THE NEW MAXIMA 20W FORK OIL, HAVE GREAT RESULTS ON THE RIDE. THE NEW DRAIN SCREWS WERE EASY TO INSTALL BEING ALLEN HEAD COMPAIRED TO PHILLIPS HEAD SCREWS.
