Choose the best for your ultimate Harley 

When it comes to Harley Davidson, you cannot choose anything less than the best. You ought to get the best engine oil that provides the most adequate lubrication and also stays stable throughout every drive. It is not easy to recognize the best engine oil from amongst so many contenders.

This is why we have brought you the best oil for Harley Davidson Twin Cam. Our selected engine oils are well known to avail the most remarkable performance and brave all sorts of weather conditions. 

The best oils for Harley Davidson Twin Cam

	Product	Oil type	Viscosity	Size	Check Today’s Price
1.	Amsoil Fully Synthetic Engine Oil	Fully synthetic	20W-50	1 Quart	Click Here
2.	Castrol 06116 Power V-Twin 4T Engine Oil	Fully synthetic	20W-50	1 Quart	Click Here
3.	Mobil 1 96936 V-Twin Engine Oil	Fully synthetic	20W-50	1 Quart	Click Here
4.	Motul 7100 4T Synthetic Ester Engine Oil	Fully synthetic	10W-60	4.2 Quart	Click Here
5.	Yamalube All Purpose 4 Stroke Engine Oil	Synthetic blend	10W-40	4 Quart	Click Here
6.	Castrol 55938 2240 7176 Power 1 Racing 2T Engine Oil	Fully synthetic	20W-50	1 Quart	Click Here

1. Amsoil Fully Synthetic Engine Oil 

This excellent engine oil is best known for its superb thermal stability. The viscosity of this engine oil remains unaltered even when the pressure is high. So you wouldn’t have to worry about the disintegration or oxidation of your engine oil at high temperatures. Furthermore, you’d never encounter the hassle known as a cold startup when the temperature is low.

This quality engine oil is essentially a high-performance lubricant and assures the best in class performance of your Harley. This oil provides superb wet-clutch performance and ensures the smooth functioning of the primary chaincase and the transmission. The overall functionality of the motorcycle is rendered smooth. 

Moreover, Amsoil engine oil also provides reliable protection against the formation of rust. The gears and chains of the motorcycle are most prone to damage. This oil serves to protect the gears and chains of your Harley from damage owing to very high pressure. 

The general wear and tear of the engine are also reduced. Also, the engine is protected from the deposition of harmful materials that could affect its performance. There are powerful additives in this oil that serve an anti-wear function. Besides, this oil is also capable of keeping the temperature of the engine cool even after it has been overworked. 

This incredible heat-control feature of Amsoil makes it the best of all contenders. This fully synthetic engine oil by Amsoil has maintained the top-class position in the wear-scar test. This one is recognized as the best engine oil for Harley Davidson Twin Cam. 

Pros 

• This fully synthetic engine oil provides the best protection from rust when the environment is humid 
• This oil has a heat-control feature that maintains the cool temperature of the engine even when the environment is very hot
• This engine oil has the best thermal stability 
• It can also tolerate extreme pressure with ease
• This oil provides the best quality lubrication for motorcycles 
• The functioning of the Harley is rendered smooth 
• There are unique anti-wear additives that protect the engine from wear and tear 
• The gears and chains are maintained in the best condition
• This oil also offers superb protection from rust 
• The smoothness of the clutch is also enhanced 

Cons 

• This oil is not suitable for use in areas with ambient temperature conditions 

Verdict 

This engine oil is excellent for the protection of your Harley engine against rust, overheating, and wear and tear. The overall performance of your Harley is rendered smooth.

2. Castrol 06116 Power V-Twin 4T Engine Oil

 

This incredible engine oil is equipped with advanced technologies to ensure the excellent performance of your Harley. At the same time, this engine oil is also very economical. Although, it still proves to be one of the best and most reliable engine oils for Harley Davidson Twin Cam.

Equipped with the unique Trizone technology, this engine oil offers superior protection to all the critical areas of your motorcycle. Moreover, this engine oil has excellent thermal and shear stability. So that it would not disintegrate when the temperature shoots up or falls extremely low. Also, this engine oil is meant to stay stable even when the pressure increases by a large measure. 

The 20W-50 viscosity of this engine oil stays unaltered. Moreover, the critical areas of your Harley like the engine, gearbox, and clutch are kept protected from damage. This engine oil is also equipped with the special Race derived technology that helps in boosting the acceleration of your Harley.

The balanced formula of this fully synthetic oil serves to protect your engine from damage caused by friction, rust and overheating. This is a very reliable engine oil and is highly recommended as a budget option to keep your Harley at its best.

Pros 

• This unique engine oil has been specially formulated for use in V-Twin engines
• This oil is also capable of protecting your engine from overheating
• The overall performance of the engine is rendered smooth 
• This oil offers reliable protection to the critical areas of the motorcycle 
• Your Harley will also stay protected from damage by excessive friction and rust 
• This is a very affordable engine oil 
• It is also known to improve the acceleration of your Harley

Cons 

• This engine oil can breakdown in extremely cold environments 

Verdict 

This unique formulation is available at a very affordable price. This engine oil will adequately protect all the critical areas of your Harley through the years.

3. Mobil 1 96936 V-Twin Engine Oil 

This fully synthetic engine oil by Mobil 1 is best recommended to keep the engine of your Harley safe from wear and tear. This oil ensures an improvement in mileage and also smoothens the functionality of your engine. This is owed to the presence of unique additives in this oil that maintain the Harley in the best condition. 

This engine oil also provides extensive lubrication for your Harley. The deposition of deteriorating debris is prevented and the engine is also protected from the formation of rust. The durability of your engine is definitely enhanced. 

Pros 

• This oil is known to enhance the durability of your engine 
• The formation of damaging build-ups is prevented 
• This oil also prevents the formation of rust 
• The mileage of your Harley is also improved 
• There are many advanced additives that keep the engine clean 
• This oil also minimizes the noise produced by the engine 

Cons 

• You may encounter the problem of cold startup 

Verdict 

This engine oil serves satisfactorily in improving the overall performance of the engine and availing adequate protection to the engine.

4. Motul 7100 4T Synthetic Ester Engine Oil 

This excellent synthetic engine oil has a unique low sulfur and phosphorus formula that especially enhances the performance of motorcycles with catalytic converters. The viscosity of this engine oil remains stable under extreme temperature and pressure changes. This factor aids in the protection of the gearbox from damage. 

The overall performance of the engine is boosted by the ester technology. The quality of lubrication is excellent. This engine oil is much recommended for Harley Davidson Twin Cam because of its unique attributes. 

Pros 

• This synthetic engine oil utmost suitable for Harley Davidson Twin Cam
• It has excellent results in the scar test
• The low sulfur and phosphorus formula is very beneficial for the environment
• The lubrication provided by this engine oil is extensive 
• The performance of the motorcycle is boosted
• The gearbox is adequately protected

Cons 

• There are no negative reviews 

Verdict 

This engine oil has a unique low sulfur and phosphorus formula that is considered environment-friendly.

5. Yamalube All Purpose 4 Stroke Engine Oil 

This high-quality engine oil is best made for Harley Davidson Twin Cam. Versatile inability, this engine oil is known to boost the performance of your engine and smoothen the functionality. The unique formulation serves best to reduce wear and tear and increase the durability of the engine. 

The performance of the clutch is also rendered smooth. Moreover, there are many special additives in this engine oil that improve the driveability of your motorcycle. The lubrication is extensive and the friction between the moving parts of the engine is considerably reduced. 

Pros 

• This engine oil can be utilized for a variety of motorcycles and scooters
• It ensures the smooth functioning of the engine 
• The general wear and tear is reduced 
• The wet-clutch performance is enhanced 
• The durability of the engine is increased 
• There are special ultra-clean additives for the protection of the engine

Cons 

• There are no negative reviews 

Verdict 

This special engine oil is suitable for a variety of vehicles and is much recommended for its ultra-clean additives that protect the engine.

6. Castrol 55938 2240 7176 Power 1 Racing 2T Engine Oil

This synthetic engine oil is known to enhance the performance of your engine owing to its unique Trizone technology. The critical parts of the V-twin motorcycle are kept clean. The primary chaincases are kept free of damaging agents. The cleanliness of the transmission is also maintained. 

This oil has exceptional thermal stability such that it does not break down in extreme temperature conditions. The viscosity of this engine oil remains stable. The performance of the wet clutch is also improved. 

Pros 

• This engine oil is equipped with the unique Trizone technology
• It keeps the transmission free of damaging agents 
• The primary chaincase is also kept clean 
• The wet clutch performance is improved 
• The viscosity remains stable even when the temperature increases

Cons 

• Users report quality defects 

Verdict 

This engine oil is very suitable for V-twin motorcycle engines. It smoothens the functioning of the engine and protects the critical parts from damage.

FAQs

How much oil does a Harley Davidson Twin Cam take?

The engine oil capacity of the Harley Davidson Twin Cam is about 3 quarts.

How often does a Harley Davidson Twin Cam require service? 

It is recommended that you take your Harley Davidson for service every 5000 miles. The engine oils should essentially be changed after every 5000 miles. The transmission fluid may be changed after every 10,000 miles. 

How to change the oil in a Harley Davidson Twin Cam?

It is totally possible to change your Harley Davidson twin cam’s engine oil on your own. 

Collect the required equipment: 

• 6 quarts of engine oil 
• Oil filter
• Oil funnel 
• Shallow oil drain pan 
• ⅝” socket
• ⅜” ratchet
• ¼” ratchet 
• Oil filter wrench

Follow these essential steps: 

Step 1: heat up your bike 

You can heat up your bike by taking it out for a ride. This will make it best for the oil to drain out. The engine oil will become thin because of the heat and flow out with ease. 

Step 2: position the oil drain pan

You must position the oil drain pan correctly because this is where the engine oil will be drained. 

Step 3: remove the oil fill cap

The oil fill cap can be easily removed by hand. This is where your engine oil is drained out. It’s recommended that you drain the oil from the right side of the bike. It only takes a few minutes for all the oil to drain. You’ll require your ⅝” socket.

Step 4: Remove the transmission oil fill plug

With the help of a ⅜” Allen wrench, remove the transmission oil fill plug and drain the engine oil in the transmission. The same oil drain pan can be utilized for both plugs. While the oil is draining out of these points, it is essential that you keep your Harley upright. This would ensure that all of the old engine oil is drained out quickly.

Step 5: replace the rubber-o-rings 

It is important for the rubber-o-rings in the drain plugs to be snugly fit. Otherwise, further, wear and tear can make them looser. 

Step 6: reattach both the drain plugs 

You can easily reattach both the engine and the transmission drain plugs by hand and then tighten them with the help of a torque wrench. 

Step 7: remove the oil filter 

Position your drain pan at the correct place underneath the front of the engine. It is suggested that you use the oil filter funnel to prevent any spillage.

Step 8: set up the new oil filter 

Properly lubricate the new oil filter before you install it. You can screw in the new oil filter just by hand.

Step 9: drain oil from the primary chaincase 

There is a drain plug at the bottom of the drained case. After positioning your drain pan under the plug, you can let all the oil drain from this area. Also, remove the derby cover and look for any flaws in the cover gasket.

Step 10: fill oil in the primary chaincase

Utilize a primary chaincase funnel to fill the engine oil into the primary chaincase. Once this is done, utilize a torque wrench to reinstall the derby cover. 

Step 11: fill the oil tank of your engine 

You must fill 3 quarts of engine oil into the oil tank. You can keep monitoring the level of oil with the help of a dipstick. Once the oil has been filled, reattach the fuel cap. 

Step 12: fill oil in the transmission

After this, you must fill about 680-gram engine oil in the transmission. You can then take your bike for a ride and see if there are any leaks. 

Year by year, what oil type is suitable for Harley Davidson Twin Cam? 

20w-50 fully synthetic and synthetic blend engine oils are recommended for Harley Davidson twin cam motorcycles through the years 1998 to 2016/

What oil type should you choose by mileage? 

20W-50 fully synthetic engine oils are recommended for high mileage Harley Davidson twin cam. 

Conclusion 

We have brought you the best oils for Harley Davidson Twin Cam. Our best quality engine oils are meant to give you the most superb possible performance and bring ecstasy to your rides. Get one of these amazing engine oils for your Harley and prolong its happy lifespan.