Top 10 Best Synthetic Motorcycle Oils of 2021 (Reviews and Guide)

They say that engine is the main determinant of the performance of a motorcycle. And that means if your engine is faulty, then the whole motorcycle is likely to have issues, especially with performance. So, to help maintain the efficiency of your engine, you need the best synthetic motorcycle oil. Unlike crude oil, conventional oil, hybrid oil, diesel or bio-based, full synthetic oil will keep the engine of your motorcycle as clean as ever.

They are mainly formulated to help extend the life of your motorcycle engine. For this reason, they reduce oil aging, protect against viscosity breakdown, as well as dramatically minimizing friction. Full synthetic motor oil also improves fuel economy. It is because of their performance that we have gathered the best ones and reviewed them to give you a clear picture of what’s trending out there.

1. Mobil 1 120758 Full Synthetic Motor Oil (4.73L)

Mobil 1 120758 Full Synthetic Motor Oil (4.73L) Check price on Amazon

Mobil 1 produces one of the best synthetic motor oils like the 127058 Full Synthetic Motor Oil (4.73L). Made to increase fuel efficiency and improve fuel economy up to 2%, this full synthetic motor oil is no doubt what you should feed the engine of your motorcycle. It boasts excellent thermal and oxidation stability, which help reduce oil aging, thereby, ensuring endless protection. The motor oil also promises to extend the life of your engine with its low-temperature capabilities and quick cold-weather starting. It provides ultimate lubrication that, in turn, helps protect against wear. We believe that this is the type of motor oil you need for your Toyota or Honda motorcycle.

2. Castrol 03060 GTX MAGNATEC Synthetic Motor Oil (5 Quart)

Castrol 03060 GTX MAGNATEC Synthetic Motor Oil (5 Quart) Check price on Amazon

The reason why we have included this full synthetic motor oil in this list is that it dramatically reduces engine wear. It has what it takes to leave engine parts four times smoother than they were. For this reason, it protects parts from wear, thereby, extending engine life. This motor oil also protects against viscosity breakdown, which tends to be a major problem to most motorists. Its full synthetic technology is unique and efficient enough to properly fight the harmful build-up of sledge. If efficiency is all you are looking for, the Castrol 03060 GTX MAGNATEC is for you. So, get Bosch oil filters and start using it immediately.

3. Mobil 1 120764 Synthetic Motor Oil (5 Quart)

Mobil 1 120764 Synthetic Motor Oil (5 Quart) Check price on Amazon

It is no surprise that our third product is the Mobil 1 120764 Synthetic Motor Oil. Manufactured in the USA, this motor oil is trustworthy. It has advanced full synthetic formula, which enables it to prevent sledge build-up and deposits. By so doing, this motor oil contributes immensely to extending the life of engines. The motor oil also helps improve fuel economy with its low-temperature capabilities. Plus it boasts quick cold weather starting that enables it to offer super fast protection. Since this motor oil is formulated to help extend engine life, we highly recommend it. And we are certain you will not go wrong with it.

4. Valvoline 813460 SynPower Synthetic Motor Oil (0W-20)

Valvoline 813460 SynPower Synthetic Motor Oil (0W-20) Check price on Amazon

Sledge buildup can easily be eliminated if you use the Valvoline 813460 SynPower Synthetic Motor Oil (0W-20). Made to give engines the cleanliness they deserve, this motor oil guarantees unrivaled engine protection. And it achieves that by getting rid of the three major causes of engine failure. Well, these causes are heat, deposits, and, of course, wear. The motor oil also helps maintain the efficiency of engines. It works smoothly and you will really be thrilled by this. Additionally, it comes in a 5-quart bottle, so it can give you notable results. Go for it if you want to give your motor engine ultimate protection.

5. Castrol EDGE 5W-30 Synthetic Motor Oil (03084)

Castrol EDGE 5W-30 Synthetic Motor Oil (03084) Check price on Amazon

We have ranked this synthetic motor oil as one of the best because it is the most advanced motor oil from Castrol. It is made for consumers who want the best for their cars. In fact, most leading car manufacturers trust and recommend it. The motor oil has fluid titanium technology, which literally changes the behavior of oil under pressure. As if that’s not enough, this motor oil is 3 times stronger against viscosity breakdown. It also reduces friction as well as increasing horsepower and fuel economy. In short, this motorcycle oil does all the good things associated with high performing motor oil.

6. Pennzoil Ultra Platinum Synthetic Motor Oil (550045201)

Pennzoil Ultra Platinum Synthetic Motor Oil (550045201) Check price on Amazon

It is the certification of this motor oil that has earned it a place in these reviews. Certified by SN/GF-5, this motor oil promises to give you confidence in using it knowing that you are using fully tested motor oil. It works great; hence, will make sure that the life of your motorcycle engine is not compromised. In fact, it even guarantees to protect your motorcycle engine from power loss. This motor oil also boasts pure plus technology, which gives it lower viscosity at low temperatures, thereby, allowing the motorcycle engine to use less effort to pump the oil regardless of the temperature.

7. Castrol EDGE Extended Synthetic Motor Oil (03087)

Castrol EDGE Extended Synthetic Motor Oil (03087) Check price on Amazon

Another product that we personally love because of its performance is the Castrol 03087 EDGE Extended Synthetic Motor Oil. Recommended for severe applications like hauling and towing, this synthetic motor oil will be a lifesaver for your motorcycle’s engine. It is formulated with fluid titanium technology, which offers optimum strength under pressure to give you the results you want. The motor oil helps optimize engine response by decreasing engine deposit formation. We love Castrol because of its consistency. Therefore, we believe that this motor oil, which is manufactured by them, will not disappoint. It meets engine test requirements of various brands of motorcycle oil, so expect nothing but the best results.

8. Castrol EDGE 0W-20 Synthetic Motor Oil (03124)

Castrol EDGE 0W-20 Synthetic Motor Oil (03124) Check price on Amazon

The titanium in this synthetic motor oil enables it to give the engine of your motorcycle maximum performance. According to many customers, this synthetic motor oil works great, and that’s why they love it. It minimizes the formation of engine deposits as well as reducing the contact between metals across a variety of driving speeds. Despite its high performance, this synthetic motor oil is super affordable. For this reason, you will be able to get it easily and use it to protect the engine of your motorcycle. Castrol recommends that you use Bosch oil filters for convenience. Based on the number of positive reviews of this motor oil, we are certain that it will not disappoint.

9. Liqui Moly 2041 5W-40 Synthetic Motor Oil

Liqui Moly 2041 5W-40 Synthetic Motor Oil Check price on Amazon

Any product that Liqui Moly has designed or formulated has always turned out to be high performing. And one of these products is the 2041 5W-40 Synthetic Motor Oil. The fact that it is fully synthetic means it is capable of giving your motorcycle engine exceptional cleanliness. By so doing, the oil will help extend the life of your engine. It comes in a 5-liter jug, so you can use it for a long period of time. What’s more, this synthetic motor oil has high lubrication reliability, which enables it to lubricate engine parts whether at high or low temperature. Plus it works with both gas and diesel engines.

10. Valvoline VV179-6PK Full Synthetic Motor Oil (Case of 6)

 Valvoline VV179-6PK Full Synthetic Motor Oil (Case of 6) Check price on Amazon

Unlike crude oil, the Valvoline VV179-6PK Full Synthetic Motor Oil (Case of 6) will keep the engine of your motorcycle clean, thereby, extending its life. It has seal conditioners that rejuvenate aging seals of the engine in order to not only stop but also prevent oil leaks. It is also equipped with extra cleaning agents, which reduce sledge and deposit formation. Another reason that makes us think this motor oil will be a plus to your engine is its advanced thermal & oxidative stability. Well, all these help minimize the burn off of oil as well as optimizing power output. The motor oil is available in many different sizes including 1 quart, 1 quart (case of 6), and 5 quart (case of 3).

Buyer’s Guide: Choosing the Best Synthetic Motorcycle Oil

There are a lot of factors to consider if you want to end up with the best synthetic motorcycle oil. Some of these factors include the size of the jug, the versatility, and the brand.

The Size of the Jug

Buying full synthetic motorcycle oil in bulk is recommended because it helps save money in the long run. It also promotes convenience by eliminating the need to go to the shop every now and then. Similarly, you can buy a small-sized jug of motor oil if you are using it for the first time, and, therefore, do not know how it works.

The Versatility of the Oil

Full synthetic motorcycle oil should do more than one task. It should be able to protect against viscosity breakdown, provide ultimate lubrication, reduce oil aging, fight the buildup of sledge, and many more. This means if you get synthetic motorcycle oil with all these benefits, then be sure to have a high performing engine that is clean and promises to last longer.

The Brand

There are some manufacturers that will never let you take the wrong direction if you buy from them. Manufacturers like Mobil 1and Castrol have been there, and, therefore, they know what it takes to produce quality full synthetic motorcycle oil on a consistent basis. They work hard to please their customers. With this in mind, try to buy motorcycle oil from reputable manufacturers only.

Conclusion

Having an engine that works smoothly is core to maintaining the high performance of your motorcycle. And one way to achieve that is to use full synthetic oil every day. But, with several brands on the market, how will you know that the synthetic oil you are set to buy is the best? Well, we have an answer for you; simply check out the above reviews and then wrap it up with the buyer’s guide that follows it.

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