There are several advantages of having a 40 motorcycle oil. Let’s take you step by step, type by type, and find the best 40 motorcycle oil for you.

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Our Top Picks:

Best Overall: Buy: Castrol 40 Motorcycle Oil READ REVIEW

Best With Fast Shipping: Buy: Mobil 1 40 Motorcycle Oil READ REVIEW

Best For Worth The Money: Buy: Royal Purple 40 Motorcycle Oil READ REVIEW

Best For Better Price: Buy: Honda 40 Motorcycle Oil READ REVIEW

Best For Bikes With Wet Clutches: Buy: Maxima 40 Motorcycle Oil READ REVIEW

Best For Lawn Mower: Buy: Valvoline 40 Motorcycle Oil READ REVIEW

Best For Engine Noise: Buy: Yamalube All Purpose 40 Motorcycle Oil READ REVIEW

Best For Diesel Truck: Buy: Motul 40 Motorcycle Oil READ REVIEW

Best For Country Of Origin: Buy: Lucas Oil 40 Motorcycle Oil READ REVIEW

Best For Great Price: Buy: Triax 40 Motorcycle Oil READ REVIEW

Best Overall: Castrol 40 Motorcycle Oil

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The Castrol 40 Motorcycle Oil's material feels more premium than its price would suggest. The castrol 40 motorcycle oil has been tested and proven to deliver superior acceleration at the touch of the throttle as it flows fast and minimizes internal engine friction. In addition to motorcycle engine oil, castrol is known for it’s superior shaft drive gear oils, and race or commuter brake fluids. And, it can qualify for free shipping and it is biodegradable.

The oil has great mileage and it can wait for a great deal. Above all, the Castrol 40 motorcycle oil is white, is commercial and it is for right off the bat.

Most buyers opine that the oil will be glad to answer any questions you have...they want you forever as a customer. Further, a few say that oil is mobil one, for "v" twins..hopes this helps some. And, a few strongly agree that the oil is perfect for bmw 1200/1250 gs adventure motorcycles.

• This is great for "winter" time in Los Angeles.
• This is great in all weather and especially here in Arizona with extreme temperatures.
• This is suitable for all makes of 4-stroke bikes, both carburetor and fuel injected.
• This is also what is recommended by Triumph in the manual.

Best With Fast Shipping: Mobil 1 40 Motorcycle Oil

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Not everyone likes to purchase oil for their daily usage, but the Mobil 1 40 Motorcycle Oil would be an anomoly. The mobil 1 40 motorcycle oil is a conventional motor oil, meaning it is refined from crude oil or petroleum products. Please note that many, if not all, oils labelled as racing oil are not street legal, and it is not recommended to put racing oil in a conventional passenger vehicle. These specific formulations are designed to help prolong the life of vital engine parts and transmissions for cruisers and sport bikes.

The oil runs smooth, is durable and it is much better. Further, it is made from crude oil and is used to lubricate, clean, and cool engines. Above all, the mobil 1 40 motorcycle oil is easy to store and it is designed for synthetic oils.

Most buyers opine that the oil is a good syn oil for the price. And, a few strongly agree that the oil is great for this very hot running racing engine. In addition, a few also found that this oil is a known 5 - star quality. Overall, many have used the oil for more than a few months without letup, and it shows no sign of giving up.

• 50 motorcycle oil formulated for cruisers.
• This can be used in the '06 honda vfr800 interceptor.
• This fits the ticket perfectly. Additionally, it is designed to run conventional.
• This comes with a good brand, runs cooler and it is brand new.

Best For Worth The Money: Royal Purple 40 Motorcycle Oil

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The Royal Purple 40 Motorcycle Oil should be able to handle its purpose and duties with ease. The royal purple 40 motorcycle oil is necessary prior to use. Include conventional, synthetic, diesel, bio - based, hybrid ( blends of conventional and synthetic ), and recycled oils. Also, this is constructed with quality products, is noticeable and it is awesome for performance.

The oil can often cost more than conventional motor oil. Lastly, the royal purple 40 motorcycle oil protects buckets, crankshafts and reduces piston scuffing.

Almost all customers agree that the oil is motorcycle specific 10w-40 oil, so it's safe to use on all motorcycles. Furthermore, a few also found that oil is recommended for all 4 - cycle air cooled engines also. Overall, many buyers have used the royal purple 40 motorcycle oil for more than a few months without any complaints, and it shows no sign of giving up.

• Cooler operation and less parasitic power loss.
• This takes regular motor oil, Roysl Purple sells it at a much lower cost.
• This is specifically formulated to significantly improve motorcycle engine (and transmission) performance.
• This can be used in the same viscosity as any brand.

Best For Better Price: Honda 40 Motorcycle Oil

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Honda makes beautiful and great oil with classic and smartly chosen materials. The Honda 40 Motorcycle Oil is good to go and it is dependable. You will love genuine oem honda oil. And, the oil allows for a great deal and it runs great.

The oil is good enough and it runs much better. Further, it is made for quick delivery, it is easy and has a unique design. Finally, the honda 40 motorcycle oil is best with quick service and it is really great.

Most buyers opine that the oil is the right blend for motorcycle clutches and transmissions. Further, a few strongly agree that the oil will list the fluids required for your bike. Furthermore, a few also found that this oil will work on the air cool cb 750 sohd bikes. To sum up, many have used the oil for more than a few months without letup, and it shows no sign of giving up.

• This allows the clutch to gain better grip.
• This has always worked well.
• This is designed to lubricate motor and transmission parts.
• This goes fast and it is overhead.

Best For Bikes With Wet Clutches: Maxima 40 Motorcycle Oil

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Next on the list, we've got yet another oil that manages to win our hearts. It's the maximum 40 motorcycleoil and it's widely considered as one of the most convenient oil you can buy. The maximum 40motorcycle oil is a superior product featuring advanced additive technology in the development of highly stable and long - life multi-grade motorcycle specific oil. The manufacturer says: Maxima believed it could change lubrication and along our 35+ year journey. This product assures viscosity stability for all air and water - cooled 4 - cycle engines with integrated transmissions.

The oil is good to go and it is easy. Moreover, the oil is made with lower engine temps, it runs smooth and it is designed for street bikes. Above all, the maximum 40 motorcycle oil is suitable for synthetic oils and it is reliable.

Almost all customers agree that the oil is great oil in a convenient package. Moreover, a few also found that the oil is jaso ma2 rated for wet clutch applications which most motorcycles require to prevent clutch slippage. Moreover, they strongly agree that this oil says it " exceeds jaso - ma m / c 4 t specs. To sum up, buyers found this to be one of the best oils for daily purposes.

• This reduces friction and engine temperatures and makes for easier starts.
• This comes in a timely manner, but there is damage in shipping.
• This allows for easy starts, is used for dirt bikes and it is unbeatable.
• This is running strong, is made for good stuff and it is super convenient.

Best For Lawn Mower: Valvoline 40 Motorcycle Oil

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The Valvoline 40 motorcycle oil's material feels more premium than its price would suggest. The Valvoline 40 motorcycle oil is made for easy starting and it is best for oil type. The Manufacturer says: From our flagship motor oils to antifreeze and gear oil, valvoline offers a full range of engine lubricants and cleaners to help keep your vehicle on the road and running at peak performance. Further, the oil comes with a good brand, makes for smooth shifting and it works for lawn mowers.

The oil 's price is right, is suitable for full synthetic formula and it can search for brand name. Moreover, this is for corrosion protection and it is easy. Above all, the Valvoline 40 Motorcycle Oil is because of this legacy that people have trusted valvoline products in their vehicles from the model to today's newest models.

Almost all buyers found that the oil will stay clean for 5000 miles on that bike. In addition, they strongly agree that oil is no longer the primary anti - wear additive. Also, a few say that the oil is a high quality full synthetic it should work on any bike. In short, at the price, they believe that they got a steal of a deal with it.

• Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting.
• Delivers performance trusted by motorcycle owners and race teams around the world.
• This high quality synthetic 4 stroke motorcycle oil has a wide range of applications.
• It has excellent wear and it looks good.

Best For Engine Noise: Yamalube All Purpose 40 Motorcycle Oil

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The best part: Yamalube All Purpose 40 Motorcycle Oil costs comparatively low and it is available to ship in 24 hours. The yamalube all purpose 40 motorcycle oil allows for a very good price, is dependable and it is great for a lower price. A precise blend of top-quality, mineral-base oil and ultra-clean additives provides superior antifrictional properties. This performance - blended mineral oil is suitable for use in motorcycles, atvs, side - by - side vehicles, and scooters.

Oil is best for fast service, has improved gas mileage and it is great for value for money. Lastly, the yamalube all purpose 40 motorcycleoil provides stable clutch performance and the strength needed to protect the engine from the wear and tear of daily use.

Almost all buyers found that the oil has a viscosity and anti foaming agent to help shifting stay consistent. In addition, a few strongly agree that the oil is compatible with your bike specifications. In addition, a few strongly agree that this is the oil recommended by Yamaha and it is great. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This oil would be exactly what is recommended in the owner 's manual.
• This works the same and it offers more at a reasonable price.
• This will keep the warranty people happy.
• Performance-blend is suitable for use in motorcycles, atvs, side-by-side vehicles, and scooters.

Best For Diesel Truck: Motul 40 Motorcycle Oil

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The features department is where Motul 40 Motorcycle Oil truly manages to shine. The motul 40motorcycle oil is super fast, blows away and it lasts longer. For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. Moreover, it is effective, is brand new and it is perfect for street bikes.

Oil is both an art and a science by which these experts proceed, step by step, inch by inch. Most importantly, the motul 40 motorcycle oil is made with a synthetic base and it is great with great stuff.

Almost all buyers quickly discovered that the oil is best for sports bikes. Also, they say that the oil is old stuff and it is not recommended to be used. Further, they say that the oil comes out noticeably darker than when it went in on a healthy (clean) engine, never black. With no doubts, this oil passed the test and had very satisfied buyers eager to share their experience.

• This works with part number, can trust for the highest quality and it smells good too.
• 100% synthetic 4-stroke motorcycle racing engine oil developed for factory racing teams.
• Dedicated to the engine, the gear box and the clutch.
• This goes on and it more smoothly.

Best For Country Of Origin: Lucas Oil 40 Motorcycle Oil

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If you are searching for a popular oil for your regular use, you cannot go wrong with Lucas Oil 40 Motorcycle Oil. The lucas oil 40 motorcycle oil is great so far and it is perfect for more power. Make sure this fits by entering your model number. These oils are designed for both engine and wet clutch applications and are not friction modified to provide the highest performance.

The oil works with part numbers and it is much smoother. Most importantly, the lucas oil 40 motorcycle oil is very clean and it makes a big difference.

Most customers quickly discovered that the oil can use all the help it can to keep running well. Further, they strongly agree that oil is the best oil for any type of street bicycle, hands down. Also, they say that this exact oil is the same that Troy Lee designs and runs on their sponsored race bikes, and a bunch of other teams too. In conclusion, buyers found this to be one of the best oils for daily purposes.

• This is a good oil for your dirt bike.
• This allows for very good quality and it is made for good stuff.
• Package dimensions: 4.5 l x 9.5 h x 2 w (inches).
• This works for any bike that takes 10w-40.

Best For Great Price: Triax 40 Motorcycle Oil

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate oil. The Triax 40 Motorcycle Oil is exactly that - it's a simple oil that hits all the right notes. The triax 40 motorcycle oil is good for oil changes and maintenance are essential but costly parts of equipment ownership. The manufacturer says: Safely maximizing functional time is our goal and so we bring you 100, 000 mile diesel engine oils and 6, 000. Moreover, it has wear protection, makes for smooth shifting and it is designed for ultra fast gear changes.

Lastly, the triax 40 motorcycle oil has significantly lowered oil requirements and it is compatible with shear stable high vi index.

One customer says - "Excellent oil for air - cooled engine. ". Almost all customers quickly discovered that the oil has the right amount of moly.

• This protects against viscosity breakdown in severe service and racing conditions.
• This allows for a full warranty, is commercial and it has wear control.
• This is a top - tier, all-encompassing lubricant line designed primarily for agricultural and construction equipment.
• This fits a wide range of small 4t engines.