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Harley Davidson motorcycle oils – Buyer Guide

All engines require oil to lubricate moving parts for their performance and to maintain structural integrity. The oil also contributes greatly to contaminants of exhaust gas, so the oil you choose for your Harley Davidson motorcycle should be optimized for the specific application.

You might think that an engine is an engine and what the hell, but wrong, each motor is designed for a different type of oil, in fact some engines are very particular for motor oil you use, older engines will not work so well with synthetic oils as minerals, and the same applies to modern engines not to touch mineral oils, and only use specific synthetic designed for them.

There are three types of oil to choose, and change the oil frequently is a mandatory exercise to maintain the integrity of the engine and overall driving performance.

Here are the three types of oil:

  • Mineral oil
  • Semisintético
  • full synthetic

Mineral oil. Mineral oils are the original crude oil refined for use in engines. They are the cheapest oils and are mainly used in vintage motorcycles.

Semisintético. The semisynthetic oils are a mixture of chemicals with synthetic crude oil refined. They are intermediate oils that combine the best of both compounds in a formula. They offer superior performance synthetic oil at a similar price to that of the mineral oil.

full synthetic. The full synthetic oils are made of chemicals blended to produce a specific degree of performance. As such, synthetic oils can be made to meet very specific requirements, and it is produced for a range of applications focused. Son, as such, oils most expensive in the market.

Synthetic oils are the best performing, since they are tailored to meet specific requirements, There are a wide range of synthetic to choose, and in this article, I present the five best engine oils for Harley Davidson motorcycle applications.

Comparison Chart oils for Harley Davidson motorcycles:

Product imageProduct nameScribeAction
Harley Davidson Amsoil Oil.AMSOIL VTWIN KIT oil change20W50Check Now
Spectro Harley motorcycle oil.Spectro Heavy Duty Platinum Sintético20W50Check Now
Silkolene Aceite Harley DavidsonSilkolene 600868413 V-Twin Aceite20W50Check Now

Oils for Harley Davidson motorcycles and Reviews Buyer Guide

  1. AMSOIL VTWIN KIT oil change 20W50 full synthetic oil motorcycle 4QTS + Filter

AMSOIL was the first company to produce a synthetic motor oil qualified for API 1972. This unique pedigree in innovation and research continues to improve performance, it's no wonder that AMSOIL has one of the best ranges of synthetic oil on the market today.

AMSOIL VTWIN KIT oil change 20W50 full synthetic oil
AMSOIL VTWIN KIT oil change 20W50 full synthetic oil

This oil is designed to reduce wear, and to minimize deposits. The content comes with a heavy treatment antiwear, and is thermally stable, containing maximum levels of oxidation inhibitor additives.

This oil reduces wear of the engine after 250 hours, To over 13.647 miles. Another effect of this oil are its thermal properties. The V-twin engines operate at extreme temperatures in summer, the oil is a natural AMSOIL synthetic base oil resistant heat that resists oxidation under extreme heat.

Other properties of this synthetic oil include transmission and protection of the primary chain box with shear stable characteristics. This is because performance as gear lubricant does not produce the negative effects of extreme pressure additives. Also it contains antioxidant additives that prevent the oxidation of the ferrous components.

This oil is used for Harley-Davidson engines requiring oils 15W-50 or 20W-50.


  • Helps prevent wear
  • Supports extreme heat
  • Retains the viscosity for excellent wear protection
  • The suitability of a lubricant for the three sumps
  • It provides excellent wet clutch performance
  • Extreme pressure protection for gears and chains
  • It offers superior protection against rust


This is a synthetic oil high a company that introduced the first true synthetic oil product market.

2. Spectro Heavy Duty Platinum Synthetic Full 20W50 If 12x1qt

Spectro Heavy Duty oil was developed primarily for applications Harley Davidson, so this synthetic oil offers a superior degree of activity exceptional performance specifically adapted to heat output and the mechanical movements of Harleys.

Spectro Heavy Duty Platinum Sintético completo 20w50
Spectro Heavy Duty Platinum Sintético completo 20w50

This mark is advanced antiwear and anticarbono mixed in a formulation that prolongs the life of the components, It reduces wear and eliminates the adhesion of the valves.

This brand model meets all security requirements of OEMs known.


  • An antiwear additive exceptionally high
  • Multigrado 20W50 to temperatures above 30 ° F
  • SAE grade 50 to temperatures above 60 ° F
  • Eliminates the adhesion valve carbon deposits
  • Meets all requirements of the OEM warranty


Spectro is a complete generic synthetic oil specifically designed for certain applications, This variant is for use in most Harley Davidson motorcycles.

3. Silkolene 600868413 V-Twin Aceite de motor – 20W50 – 4L

Silkolene V-TWIN 20W-50 High-Performance Motorcycle Oil is a classic mineral oil designed for all formats Harley Davidson engine, old and new.

Silkolene 600868413 V-Twin Engine Oil
Silkolene 600868413 V-Twin Engine Oil

As is mineral oil, no synthetic additives, so it is a refined basic oil.

It protects a wide range of operating conditions.

specs: API CF, API SG / SH / SJ and JASO MA2 Approved.


  • Excellent against wear, corrosion and oxidation
  • It protects a wide range of operating conditions
  • It maintains a high standard of cleanliness of the engine


A very cheap oil for most older models of Harley Davidson.

Motorcycle Harley Davidson synthetic oil comparison chart.
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4 thoughts on “Harley Davidson motorcycle oils – Buyer Guide”

      1. Thanks. It is that in Costa Riva it is difficult or it is not possible to find those oils and I had heard that Spectro is the one that makes DRAG oil and well, if you don't continue using bel ray

  1. Pas de problème les 2 huiles “Amsoil” 20w50 et “Spectro” 20w50 sont meilleur pour moteur Harley,c’est vous !
    C’est tout…
    Je suis Alsacien (France) prés Allemagne et Suisse non loin…

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