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2018 Harley-Davidson FLFBS Softail Fat Boy 114

Engine: 1868
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Engine

Complete Oil Change Kit

  • AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit - 5 Quarts with Black Filter

    5.0  (47 Reviews)
    • Combines everything needed to perform an AMSOIL oil change on most 2016-present Harley-Davidson* motorcycles in one convenient package
    • Includes five quarts of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil, one black AMSOIL Motorcycle Oil Filter and one drain-plug O-Ring

    *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

    $97.30

    Retail Price (USD)

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  • AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit - 5 Quarts with Chrome Filter

    5.0  (26 Reviews)
    • Combines everything needed to perform an AMSOIL oil change on most 2016-present Harley-Davidson* motorcycles in one convenient package
    • Includes five quarts of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil, one chrome AMSOIL Motorcycle Oil Filter and one drain-plug O-Ring

    *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

    $102.25

    Retail Price (USD)

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Engine

  • AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil

    5.0  (402 Reviews)
    • Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.1
    • Resists extreme heat to help keep engines clean and efficient.
    • Reduces wear and deposits for maximum engine compression and power.
    • Convenience of one lubricant for all three sumps.

      *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
      1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.

    $15.99

    Retail Price (USD)

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  • AMSOIL SAE 60 100% Synthetic V-Twin Motorcycle Oil

    5.0  (20 Reviews)
    • Resists extreme heat to help keep engines clean and efficient
    • Reduces wear and deposits for maximum engine compression and power
    • Convenience of one lubricant for all three sumps
    • Outstanding wet-clutch performance
    $15.39

    Retail Price (USD)

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Oil Filter

Transmission

Transmission

  • AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil

    5.0  (402 Reviews)
    • Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.1
    • Resists extreme heat to help keep engines clean and efficient.
    • Reduces wear and deposits for maximum engine compression and power.
    • Convenience of one lubricant for all three sumps.

      *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
      1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.

    $15.99

    Retail Price (USD)

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  • AMSOIL 100% Synthetic V-Twin Transmission Fluid

    5.0  (153 Reviews)
    • Protects against gear and bearing wear
    • Delivers smooth shifts
    • Helps eliminate loud thunks and gear noise
    $20.09

    Retail Price (USD)

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Differential/Transfer Case

Primary

  • AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil

    5.0  (402 Reviews)
    • Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.1
    • Resists extreme heat to help keep engines clean and efficient.
    • Reduces wear and deposits for maximum engine compression and power.
    • Convenience of one lubricant for all three sumps.

      *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
      1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.

    $15.99

    Retail Price (USD)

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  • AMSOIL 100% Synthetic V-Twin Primary Fluid

    4.9  (241 Reviews)
    • Delivers consistent clutch feel for confident takeoffs
    • Helps prevent clutch slip
    • Provides smooth acceleration
    • Helps riders easily find neutral
    • Protects compensator bearing, chain and gears against wear
    $17.09

    Retail Price (USD)

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Other Fluids

Front fork

Hydraulic brake system

Seasonal Storage

Products

  • AMSOIL Gasoline Stabilizer

    • Helps keep fuel fresh up to 12 months
    • Protects against varnish and gum buildup
    • Fights ethanol corrosion
    • Ideal for stored seasonal equipment such as snowmobiles, lawnmowers, motorcycles and boats
    $15.09

    Retail Price (USD)

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  • AMSOIL Engine Fogging Oil

    • Highly-effective rust preventive designed to protect internal engine components during storage or long periods of inactivity
    • Ideal for outboard motors, lawn and garden equipment, motorcycles, snowmobiles, ATVs, motor homes and generators or any equipment with a two- or four-stroke engine
    **NOT AVAILABLE IN CANADA
    $12.29

    Retail Price (USD)

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ADDITIONAL PRODUCTS

Your 2018 Harley-Davidson FLFBS Softail Fat Boy 114 Motor Oil

AMSOIL synthetic lubricants are the solution for drivers who want the most from their 2018 Harley-Davidson FLFBS Softail Fat Boy 114. How good are they? Our synthetic motor oils blow the doors off the highest industry standards.

Protect your Harley-Davidson FLFBS Softail Fat Boy 114 in any driving condition with our specially formulated motor oils. Whether it’s extreme temperatures, long commutes, towing, hauling, the added stress of a turbocharger or you’re simply extending the time between oil changes, our motor oils will keep your 2018 Harley-Davidson FLFBS Softail Fat Boy 114 protected.

We produce the synthetic motor oil, oil filter, transmission fluid, gear lube and grease for a complete fluid change – everything to keep your Harley-Davidson FLFBS Softail Fat Boy 114 running smoothly for the long haul.

Industry-Tested, Driver Approved

AMSOIL products are subjected to rigorous third-party, industry-standard testing so you can rest assured you’re getting maximum protection. Also, check out our customer reviews on amsoil.com to make the best choice for your Harley-Davidson FLFBS Softail Fat Boy 114. Hear from more than 6,000 customers who have experienced AMSOIL lubricants.

2018 Harley-Davidson FLFBS Softail Fat Boy 114 Transmission Fluid

Using a properly formulated transmission fluid for your Harley-Davidson FLFBS Softail Fat Boy 114 can protect your vehicle from costly problems down the road. AMSOIL transmission fluids offer the best protection for your Harley-Davidson FLFBS Softail Fat Boy 114, even in the most severe driving conditions. Protect your vehicle’s transmission from wear, sludge and temperature-related problems and drive with confidence.

Shop Online and Get Fast, Free Delivery

Shop online and get your products in 3 business days or less. With free shipping on orders over $100, and an average 25% savings for Preferred Customers, shopping online is the fastest way to get AMSOIL products to your doorstep. Becoming a Preferred Customer earns you savings, points on purchases and more. Simply shop amsoil.com and add a P.C. membership to your cart before checking out. You will receive an immediate savings on products for your 2018 Harley-Davidson FLFBS Softail Fat Boy 114.

Find an AMSOIL Dealer or Retailer Near You

Getting products for your 2018 Harley-Davidson FLFBS Softail Fat Boy 114 couldn’t be easier. Find a nearby Independent AMSOIL Dealer or retailer using the AMSOIL Locator.

AMSOIL Disclaimer and Technical Concerns

Specifications contained on this website are based on manufacturers' information and were believed accurate at the time of publication. Our recommendations apply to AMSOIL products only, as we cannot be responsible for products from other manufacturers. Always compare fluids and lubricants that were installed in the vehicle with those replacing them during service. Never install more fluid or lubricant than what is considered adequate according to gradients on dipstick or level of filler hole. Fill and drain locations are for reference only. Failure to perform adequate inspections or obtain proper resolution will limit or negate any liability toward AMSOIL INC. Models introduced midyear may not have the same specifications as those produced earlier.

If any discrepancies are noted, they can be simply reported to AMSOIL by clicking on the "Problem?" link docked to the left. We review all reported problems, if you would like a personal response to the issue you are reporting please enter your email address in the space provided on the form.