Best Oil for Harley Davidson Twin Cam Motorcycle

Best Oil for Harley Davidson Twin Cam

Harley Davidson is one of the most popular and expensive motorcycle forever. This brand is exceptional from any other brand and for that are you looking for the best oil for Harley Davidson? Well, then we must say that you are one of those users who value their vehicles as a treasure. Many people think that all the engines are same but actually it is a wrong idea. All the engines are not structurally same. So, they need different types of oil.

Manufacturers sometimes specify the oil to be used to optimize the performance. For example, old engines need mineral oil for the best performance while the new engines work best on synthetic oil. Check out reviews on the best oil for Harley Davidson twin cam to jump into your decision regarding the oil.

Best Oil for Harley Davidson Twin Cam Reviews

Do you really want to know which best oil to use in Harley Davidson motorcycles? Then we would love to request you to read the article below because we discuss about top oil brand for your Harley Davidson which you can use on your Harley Davidson twin cam. So let’s start-

1. Castrol 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil

Castrol Power1 V Twin 4T 20W-50 synthetic motorcycle oil is the first priority to many users because it belongs to reliable company. It is a premium-quality synthetic oil specially designed for 4-stroke and V-twin motorcycle.

Castrol’s signature technology, named trizone technology, protects engine, clutch and gearbox. The trizone technology also ensures presence of extended oil drain intervals and minimal chance of clutch slipping.

Another notable characteristic of this synthetic oil is its power release technology. When your vehicle suddenly accelerates, the power release technology ensures enough velocity. The technology also maintains the velocity in smooth transition phase.

If you search for online reviews, you will find that maximum users wrote positive experience. One of the common reasons is its low price. Many users prefer this oil over Mobil because who doesn’t want a premium-quality oil at the affordable price. So after describe all about we can say that it is the best oil for Harley Davidson twin cam.


  • Keeps the engine temperature stable over prolong use.
  • Exclusively designed to deliver ultimate performance in modern V-Twin engines, transmissions and primary chaincases.
  • Provides excellent shear stability to prevent viscosity breakdown
  • Ensures protection to engine, clutch and gearbox
  • Less costly


  • Advertising seems to be misleading
  • Some engines face noise problem with this oil.

2. Mobil 1 96936 20W-50 V-Twin Synthetic Motorcycle Motor Oil

Mobil 1 V-Twin synthetic motorcycle oil can be perfect for your vehicle as it ensures a trouble-free smooth performance. It is recommended for four-cycle motorcycles that use 20W-50 engine oil.

It exceeds the requirements of API service categories and also provides proper frictional characteristics necessary for wet-clutch engine/transmission system. Its base technology with balanced additives help engine run smoothly and quietly.

The engine of Harley is prone to heating up as it produces a lot of power. Mobil 1 engine oil can solve the problem by cooling it down. It reduces the problems arises from high temperature and for that it is the best Harley oil for hot weather.

Mobil 1 maintains its viscosity that helps the oil to flow smoothly even at the time of cold start. The life of your vehicle reduces due to the presence of acid. The engine oil eliminates the formulation of any acid and lengthen your engine life. It is the most ideal synthetic oil for hot running and air-cooled engines.


  • Scientifically engineered to withstand extreme heat
  • Provides optimum horsepower and acceleration
  • Ensures proper frictional characteristics and smooth function of engine
  • Highly durable
  • Increases energy conversion
  • Reduces engine noises


  • More expensive than conventional oil
  • Not ideal for low capacity engines.

3. Motul 7100 4T Synthetic Ester Motor Oil – 20W50

Motul is one of the hottest name for the Harley Davidson bikes. It is recommended for all 4-stroke motorcycles with catalytic converters. It is 100% synthetic based on ester technology which enhances engine response. It meets the requirements of API SL/SH/SG and JASO MA.

This synthetic oil ensures the protection of gearbox by using special Proprietary extreme pressure formula. It also ensures perfect gear protection and long engine life by providing Anti-wear additives. It is made based on low sulfur and phosphorus formula and is specially engineered to withstand extreme heat produced by the engine.

Some users complain that this synthetic oil is a bit pricey but for your Harley Davidson you must not consider the price only. Motul is on the top list of many Harley Davidson users.


  • Reduces noise and engine vibration
  • Optimizes friction control
  • Ester technology enhances engine response
  • Anti-wear additives and shear resistance ensures perfect gear protection and long engine life.
  • Increases mileage of the vehicle
  • Keeps the engine temperature stable over prolong use.
  • Lasts long before requiring the change of oil


  • Relative initial high cost
  • Issues may arise at the time of breakdown and cold start.
  • Not ideal for short interval.

4. AMSOIL Full Synthetic Motorcycle Oil 20W-50 1 Gallon

Some users rate AMSOIL synthetic oil as the best motorcycle oil regardless of its comparative high price. If you start using this oil, you are also expected to compromise price because of its supreme quality.

AMSOIL VTWIN synthetic oil, made of highly capable anti-wear additives, performs better than some conventional oils in wear-scar test. It can withstand extreme heat which helps the engine to run smoothly without any interruption. Its viscosity provides the engine with the lubrication at the start-up time and even in cold weather.

The oil is rust resistant that can keep your engine rust free. Additionally, this synthetic oil increases the durability of engine and extends the life-cycle of your vehicle by eliminating deposits to keep the engine clean.

AMSOIL VTWIN oil is compatible with conventional and synthetic motor oils. But if you mix this oil with other oil, the performance may reduce.


  • Withstands extreme pressure and heat
  • Delivers superior rust protection
  • Enhances the efficiency of your clutch and extends its life-cycle.
  • Extreme-Pressure Protection for Gears and Chains
  • Provides high-performance lubricant


  • Quite expensive
  • Doesn’t work well when mixed with other types of oil
  • Not suitable for the areas having temperature of 40- Fahrenheit or less

Things to Consider Before Buying the Best Oil for Harley Davidson Twin Cam

Initially you need to consider two parts of the engine oi before choosing the best oil for Harley Davidson motorcycle. The first and major part is base stock while the second and minor one is additives. You need to find the oil which have a balance between these two. Our recommended oils are ahead in this competition as they ensure optimum performance and resolve overheating problems.

You need to conduct a little more research as all the manufacturers demand to have these common features in their oil. So, you need to rely on the wear scar test to determine your final choice. The test is done based on some basic standards in a controlled lab.

Frequently Asked Questions About Harley Davidson Twin Cam Oils

Q: Is Asmoil better than Mobil 1?

A: Asmoil is said to be better than Mobil 1 as it exceeds the industry standards, withstands extreme heat and can fight viscosity 46% better than Mobil 1.

Q: Should I run synthetic oil in my Harley?

A: Compared to mineral oil, synthetic oil is preferable as it has higher heat tolerance.

Q: What oil does Harley Davidson recommend?

A: Harley Davidson suggests SAE 10W40 for low temperature and SAE 60 H-D for high temperature. For all weather conditions, Harley suggests SAE 20W50.

Q: Can I mix synthetic and regular oil?

A: Yes, if you don’t have a choice.

Final Verdict

You may have read a lot of reviews about best oil for Harley Davidson Twin Cam on online. Our review on this topic is based on online and personal users reviews, and practical experience. If you are thinking to use some oils for you Harley Davidson and select the best one later based on the personal experience then it may turn out to be a huge mistake.

We recommend you to go through some online reviews before practical experience. The best picks of oil may differ but still you can find out the common pick of all and then reach to the conclusion to select the best one.

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