Jun 1, 2023 · In a 10w40 engine oil, the 10w bit means the highest viscosity the motor oil should have. They become thicker; hence, they offer more protection to the engine parts. For example, if you’re already using 10W-40 oil, 15W-40 will be super bad for you. I want to use an engine oil (HDEO) that only comes at 5w40 in it's synthetic form (Mobil Delvac 1). If you plan to replace the oil at every 8000 miles (12000km) according to the manufacturers recomendation, then I highly recommend using a synthetic (JASO MA) oil, if you plan to change it more regulary ie <2000 miles then any cheap JASO MA oil at the right viscosity will do the job. So, 10w40 can be used as a temporary type of oil for your lawnmower if unavailable of the lawnmower’s recommended. Jul 21, 2022 · In pumping temperatures, 0W oils can take the temperature down to -35 degree Celsius. Uses of 10W -40 engine oil . 10w50 is equivalent to 10w40 in viscosity at low temperatures. Both have the same viscosity but 15w Jul 31, 2023 · However, in a cold or freezing temperature, 10W40 engine oil is thicker than 5w40 oil. 1 liter of Maxima 10W40 was $9. The second number, 40, shows how thick the oil is when the temperature is high. Probably the most popular substitutes for Yamaha riders are the Shell Rotellas in either 5W-40 synthetic or 15W-40 non-synthetic. Though it doesn’t usually cause big issues. Jan 31, 2024 · No, it’s not the recommended practice. 5 and a maximum of 16. It means that 15W40 is better suited to handling cold weather temperatures than SAE 40. Apr 1, 2020 · This means that you can use it if you are staying in places that experience winter conditions. Oct 22, 2008 · 10w40 is fine for 0F and up. Nov 20, 2023 · In hot weather conditions, 10w-40 works significantly. 15w40 is perfect to use in an environment where the temperature range from -20 Celsius to 40 Celsius. 10w40 oils are best for cars with old engines, and for the ones that do not need to run in extreme weather. Additionally, it can lower emissions and safeguard your engine from deterioration. Aug 7, 2022 · conditions. For the Ford watch Rite Aid adds. autozone has 5w-40 Mobil 1 synthetic on sale for 12. Jun 24, 2023 · 10W-30 and 10W-40 oils are both among the most common grades used in many regular vehicles today. Jan 3, 2024 · The straight answer to the question is yes. I'm starting this thread to compare the two flavors of Rotella 15w40 in motorcycles. 88 per filter. I use 15W40 in my Caponord 1200 and after a few years of using 10W40 in my 750 Dorsoduro I have reverted to 15W50 and the engine seems to be quiter and smoother running on it. However, I can assure you that the HT/HS vis of virtually any 20w50 oil, be it conventional or synthetic, will be higher than that of the Rotella 15w40. Motorcycle Use. L. This means that it will clog up the engine and cause it to run less efficiently. My Ride. You can always use 15w40 instead of 5w20 if you do not have another option. Im using the 15/40 Rotella T5 semi synthetic in my Husqvarna GTH2248xpc which has the FH641V Kawasaki V twin. You can use SAE 40 instead of 15W40 motor oils for two-stroke and four-stroke engines like lawnmowers, generators, powerboats, and motorcycles. Clearly, there are more motorcycle-specific oil choices in the 10w-40 weight. Check: 20W40 Vs 10W40 Motorcycle Oil Dec 20, 2023 · A number format, such as 10W-30 or 15W-40, is used to indicate the SAE viscosity grade. 000 miles) or more. In my area, my temperatures range from 50 to 70F all year. This enables the oil to reach critical engine components quickly during startup, reducing wear and facilitating smoother cold starts. Feb 7, 2024 · Yes. ). Feb 11, 2010 · Full syn T6 15w40 would probably be better choice based on what I know (of synthetic vs syn blend/conventional in general in shared sump and shearing) if you really stretch the OCI out to longer mileage. The difference is that the 5w doesn't get as thick at low temperatures. The answer is no. 30" Outback Max on 14" C-Series Beadlocks. Aug 10, 2016. This means that during cold starts, the 10W40 oil will flow more easily, providing better lubrication to critical engine parts quickly. seeing as the second number is the same (weight at operating temperatures), would i run into any problems May 2, 2024 · Differences in motor oil weight, such as 15w-40 and 10w-40, impact their performance in varying climates and engine needs. 15w40 motor oil is suitable for diesel vehicles, farm tractors, passenger cars and other machinery. 10W40 oil is more viscous in hotter weather. Also I use the 10w40 in my Diesel TDI, so I can keep my lubricants consolidated to the 10w40 and the 10w30 for my F150. they wont have the friction modifiers in it. For hot weather, the two oils’ viscous values are 40. I think part of the reason is price. 10w30 has a high viscosity. Dec 31, 2023 · Not a good 15w40 alternative, but still, you can use it. Most cars use a separate gearbox oil and most cars have a dry clutch. The questions of whether you should use motorcycle vs. But by all means. 15W-40 will work, but your top end will have that nasty tick-tick noise we all dread. Jun 3, 2003 · Convert. Can I use 5w40 instead of 15w40? Can I use 5w40 engine oil on my motorcycle? So, instead of switching from 10W-30 to 10W-40 oil for your older engine, you may want to use a high mileage version of your 10W-30 motor oil. The wide viscosity range oils, in general, are more prone to if you live in africa like me take 10w40 if you have high performance engine 5w30 if you hve an old engine 2005 and less 15w40 for most of case 10w40 is enough for my piaggio it says 5w40 but i put 10w40 because in my country 5w40 is useless you can have 27 dergee early morning temp so As a result, at low temperatures, 15w40 motor oil will be thicker than 10w40 motor oil. It maintains the lubrication properties and viscosity at high temperatures. Therefore that is what I use in the bikes. Regardless, 10w40 engine oil is more costly than 15w40 engine oil. 40 in 10w40 means the motor oil should be within a certain viscosity range. Eventually, it contributes to the fuel economy too. Using an oil of a higher viscosity as you mention, 20W-50 instead of 10W-40 can actually cause a higher rate of fuel consumption due to the fact that there is a greater resistance to flow. Swepco offers other viscosity 306 products which I would not hesitate to recommend given the performance of their 15w40 oil and its reputation in the Porsche The "15W" rating of 15W-40 oil indicates that it has good flow characteristics at low temperatures. The 15w40 motor oil can be used in diesel trucks, farm tractors, passenger cars, and other equipment. Just like a passenger car, whether you use 10W-40 vs 10W-30 multi grade oil in your motorcycle depends on what temperatures you expect to be riding in. Since both 10W-30 and 10W-40 have the same cold weather grade, the main difference between the two is the high temperature viscosity. The viscosity grades before the “w” indicate the oil’s thickness at low temperatures and its ability to flow easily during cold starts. Jan 6, 2005 · You might also consider Rotella-T Synthetic 5W40 Walmart sells it for $6 a gallon!! Walmart SuperTech filter will work just fine for you and they are like $1. The 10 W 40 engine oil’s API is CI-4/SL. Their lone standout might be used with some 5w30, but there is no mention of using 10w40 vs. Nov 21, 2021 · According to Mazda, almost all their vehicles and SUVs will need 0w20 motor oil. The short answer is, yes, you can technically use 10W40 instead of 10W30. Any non synthetic 10w40 will work. Yes. I told them the manual specifies only 10w-30. However, the difference in viscosity between the two can impact engine performance, particularly in specific temperature conditions. Oct 17, 2019 · 1105 posts · Joined 2013. Engines running in hotter climates or under heavy load benefit from thicker oils as they offer better protection against wear and tear. Oct 26, 2010 · i used to use 10-40 synthetic mobil 1 motorsports oil but have switched to 5w-40 rotella t synthetic. I ran the regular white bottle / blue label Valvolene 10w40 motor oil in my CRF150F for 5 years without a problem. I was using the required 10/30 wt and it was leaking to much for me and consumption was 1/4 qt. A 20w40 motor oil can replace a 10w40 in the winter or cold weather or temperatures. So a 15w40 lighter weight engine provides better fuel efficiency in the cold season. The cheapest engine oil tends to be an own-brand, i. Dec 4, 2011. I use 5w-40 in my ATV that calls for 10w-40 in most applications. 10w30 motor engine is not suitable for low temperatures. Just pick up some Taveller's, Supertech or Chevron or whatever 5W-20 you can get cheap to make your own 10W-30. In 20w40 oil, 20w bit, and W winter, that is, the motor oil should have a certain viscosity. 0 cSt or similar to current API 5W-30 or 10W-30 oils. 15w-50 is a more suitable engine oil for your Royal Enfield than 15w-40. Jun 1, 2023 · Diesel fuel is heavier than gasoline and does not vaporize as easily. I went to a cycle dealer last night. Additionally, diesel fuel can damage the seals and gaskets in the engine. But neither the Helm or owner's manual even hints at using 10w-40 under any condition or climate. 20w50. In 10w motor oils, it has a minimum of 9. The 10w40 motor oil will also have a viscosity index of one hundred sixty, and the 10w50 Jan 2, 2014 · 20W-50 is the preferred oil for these engines. Jan 24, 2022 · 10w40 oils are a bit thicker than engine oils compared to 5w40 oils, with a lower viscosity of 10 and higher viscosity of 40. If you do put diesel fuel in a motorcycle, you should have the engine flushed as soon as possible to remove the diesel Nov 21, 2021 · The 10w40 motor oil and the 10w50 motor oil have the same viscosity at zero degrees. less prone to fouling Sep 1, 2017 · For example last summer I had some cheaper 10w40 mineral oil and my clutch loved it, really smooth shifting. The number before the W tells you how the oil will flow in cold conditions. So between 5w40 vs 10w40, 10w40 cannot work properly under freezing conditions. Although this oil is not recommended for modern-day passenger vehicles, it is still popular with heavy and heavy-duty gasoline engines on light trucks. 10W40 Motor Oil Characteristics. May 31, 2023 · The 10W40 engine oil API. Read the container and avoid the “energy conserving” oils. You can technically use 15W40 for a limited time; but remember, it depends on your engine type. Location. Apr 6, 2012 · 10w40/15w40. You can use 10w50 instead of 10w40. , vehicles that are typically recommended for multi-grade motor oil. The addition of Castrol TRIZONE Technology is said to deliver uncompromised performance protection by providing protection to the three critical zones of engine, clutch, and gears in your bike. Absolutely nothing wrong with running it. So a car oil could make your clutch slip or knacker your Mar 16, 2015 · Location. In some cases, the more viscous oil tends to lubricate the parts of the engine better than the engine fluid, which is thinner. 10w30 has thick motor engine oil. Jul 25, 2022 · 15w40 motor oil has lower viscosity at low temperatures than 20w50 oil does. Dec 25, 2008 · Yamaha is unusual in their 20W-40 recommendation. You can actually use a 20W40 oil to replace a 10W40 oil, they can perform even better in warm temperatures. Feb 23, 2024 · The '10W' in 10W40 signifies that the oil has a lower viscosity when cold compared to the 15W40 oil. The oil’s viscosity at low temperatures, or its capacity to flow under cold circumstances, is represented by the first number (10W, 15W, etc. Mar 16, 2015 · Have been using 10w-40 in so many bikes before this, street triples, DRZ400, DR650, WR250F, 2 stroke gearbox oils. This article is a must-read for those who want to fully comprehend the implications of switching between these two oil types. The extra thickness of the 15w wouldn't hurt anything, it might just draw a few extra amps from the battery on startup. #1. If it shifts good and the clutch doesn't slip, it's fine. Jun 14, 2012 · JASO-MA2 – This specification was introduced in 2006 for modern motorcycle engines. Posted April 3, 2013. The manual recommends 10w-40 for this car in temps up to 68F, but 15w-40 is the ideal oil for all temps, per the manual. 10w30 is thinner than 15w40, meaning it flows through the engine more easily but doesn’t have as high of a film strength as 15w40. The small size is good for topping up while the large size is good for a full oil change. Apparently the synthetic T6 was only available in 5w40 for many years, so if you wanted a Rotella 15w40, you were looking at the T4 "Dino" oil. Commonly, drivers prefer 10w40 oils for cars that need a high mileage. A 10w40 oil flows better at low temperatures compared to a 15w40 oil. In operating temperature at one hundred degrees Celsius, the 10w50 motor oil will have a higher viscosity than the 10w40 motor oil. It’s helpful to think of the “W” as standing for “winter. A good 40 wt synthetic has greater film strength and thickness than a 50 wt dino oil at the 210+ F temps the oil runs in the engine. Can You Use 15W-40 Oil in a Gas Engine? . This has caused problems in diesel engines, but fewer polymers are better for all engines. However, 15w40 oil maintains a thicker, more stable film of oil at high engine temperatures. As 15w-50 is the recommended viscosity grade for the Twin Spark engines that are used in their models. Even though you can and will find car oil with the same viscosity ratings (i. 5W40 oil is said to be better for high-performance engines as it has a lower viscosity, meaning it flows more easily and can better protect your engine Apr 2, 2013 · Positron007. But they differ in high-temperature viscosity (50 and 40, respectively). Got an aircooled, fuel injected motorcycle (Yamaha Bolt). When the temperature is hotter outside, 0w40 would be the best motor oil to go for. Two years ago I switched to Shell Rotella 15w40 on advice from most people here in Thumper Talk. So Viscosity will change more rapidly in the case of 20W50 than in 15W40. Bike is still running strong. So, 15W40 is the clear winner in terms of viscosity. Generally, mono-grade oils (like SAE 40) are Jan 27, 2023 · However, there are a few critical differences. 2016 Honda Pioneer 1000-5 Deluxe White. #11. Castrol Power 1 is a fully-synthetic motorcycle oil. The 5w40 also has a tremendous low-temperature thickness, though slightly below its companion. #4. Modern 2 stroke bike and scooter engines have much Never use the 15w40 diesel oil in an incompatible gas engine, as it can damage the fuel system or clog the oil filter. But, 10w40 is a balanced oil that stands in the middle of both the car and lawnmowers engine. 50 to $4. Sep 29, 2022 · This is why there are two numbers on engine oil grades. Posted June 15, 2009. It weighs 10 pounds per gallon at 40 °F. In theory, yes there would be a difference in viscosity when the engine is cold. Jul 20, 2006. The 5W40 is certainly a reliable motorcycle oil that you can use to start-up the engine in freezing temperatures. 3,220. The viscosity of the oil at elevated temperatures, or its performance in hot situations, is represented by the Dec 20, 2021 · Dec 20, 2021. You see, 15W40 is typically formulated for diesel engines, whereas engines like the Hemi with MDS and VVT specifically require the use of 5W20. Which one is used in your car could depend on many factors, though. There are pros and cons of the engine fluid becoming thicker and thinner. When compared to 20w50, 15w40 has a viscosity index of 143, while 20w50 has a viscosity index of 141. But it might not be as smooth. #7 · Dec 8, 2013. 10w40 grade oil is best used at lower Mar 5, 2010 · Rich did a good job of ignoring the different (film strength and thickness) characteristics of synthetic vs dino oil. FWIW, I use Rotella T 15W-40 in absolutely everything, 2 and 4 strokes alike. As well as being a higher standard of oil the JASO-MA2 approval means the oil is suitable for use in bikes with catalytic converts in the exhaust system. Though it is thicker when compared to 5w40, it is still considered a thin oil. 10w40) as for motorcycle engines, the additives in the oil will be different. Superatv Forward Arms. They are both a 40 weight at operating temp. Similarly, 5W40 will be an upgrade but 5W-30 won’t. Dec 31, 2023 · You can swap 15W40 for 10W30. The 10W40 will just work well with your motorbike. However, a 10w40 motor oil can offer better lubrication and performance over a wide temperature range than the 20w40 motor oil. And the number or viscosity grades say it all. 10W-40 engine oil is suitable for high temperatures. Castrol and Valvoline dino MC oil is around $3. However, it is important to understand the potential consequences before making the switch. The lower the oil’s “W” viscosity, the more readily it will flow when cold. 00 per liter. e. Jul 20, 2007 · Swepco 306 15w40 is also a CI-4 oil and will remain for the forseable future as such and is the 15w40 grade motor oil I most recommend to all my customers who do not use a Xw30 or 20w50. Check Price. Whereas, 5w40 is used in temperatures ranging from -30 to 40 Celsius. Jan 9, 2024 · But they contain the same viscosity at high temperatures. Usually, 10w40 Oil is better for a moderate engine, but 15w40 engine oil is best for a regular machine. Implications of using 10w-40 instead of 5w-30. 10w-40 engine oil is ideal for cold weather conditions due to its lower viscosity May 30, 2021 · Can I use 10W-40 instead of 20W50? Will start by assuming 10W-40 is the correct grade of oil for the equipment. 15w40 is supposed to be thicker compared to 10w30. Dec 7, 2013 · 1287 posts · Joined 2010. Resistance Of Flow. While there are benefits to using both, it ultimately comes down to personal preference and what works best for your car. Next oil change I went with a $90 jug of Motul Synthetic 10w30 and my clutch hated it and shifted somewhat rough between gears 1-3, particularly when downshifting. Otherwise, heck yes on T5 15w40. Jul 14, 2020 · That oil is about 14. 3 and 12. This is an extension of my earlier thread regarding oil for my E30 325. The rule of thumb is to use the recommended motor oil for your vehicle. 10w40 oils work as a great solution for lubricating the moving parts of the engine while startup. It has been determined that 15w40 has a specific gravity of Jun 12, 2023 · Both 5w40 and 10w40 oils perform well in different temperature conditions. This means that it will flow much worse on startup. The engine oils perform similarly in hot weather. 3 respectively. Jun 1, 2023 · The number “15” indicates the oil’s low-temperature viscosity rating, while “40” indicates the high-temperature viscosity rating. 10w40 is typically used in warmer conditions, while 10w60 is designed for use in colder conditions. may run a 5 or 10w-30 high mileage mobil 1 if it gets too cold. Feb 13, 2007 · It DOES NOT mean that a 15w40 oil has the same "film strength" as a 50 wt or 15w50. In 10w40, the cold-start temperature of the oil is 10 degrees Celsius. T6 and I know a lot of other people that swear by it. CA. a lot of honda bike guys are using the rotella synthetic now. Using 10w-40 has certain implications when used instead of 5w-30. In addition, 15w40 motor oil has a 40 rating for high-temperature viscosity, whereas 20w50 has a 50 rating. 20w50 BMW. 75. However, it is not recommended to use mono-grade oil for cars, light trucks, etc. 5 cSt at 100C and 5W-20 is roughly 8. 10w40 vs. We would like to show you a description here but the site won’t allow us. So, it is followed by the letter “W,” which stands for “winter. You don't want your oil to turn to molasses in the winter, that happened due to technology constraints decades ago. Rotella 15w40 is a great oil, IMO, and I use it in my Sportster. Out of which, some of the most influential implications are as follows: Aug 2, 2023 · Commonly, drivers prefer 10w40 oils for cars that need a high mileage. Has 650 hours. However, 10W40 oils offer better lubrication and improved performance over a wider temperature range compared to 20W40 motor oils. Jul 14, 2020 · I ran Rotella 5w40 and 15w40 in my Honda CRF250R and Kawasaki Ninja zx9r, never a problem. If it’s warmer than 50°F outside, 15W40 tends to use less oil. The lower the W number, the better it’s for cold temperatures. Michigan. Right now i've got Yamalube 20w40. Can I use car oil in a motorcycle engine? This can be risky. 000 km (60. Jan 29, 2010 · The polymers can shear and burn forming deposits that can cause ring sticking and other problems. As it remains thin and flows easily, 0w40 will act against engine problems like bearing failure. Jan 9, 2024 · Comparing 15W40 to 20W50, the viscosity index of 15W40 is 143, while the viscosity index of 20W50 is 141. Heavier viscosities such as 5W-40, 5W-50, 10W-40, 15W-40, 15W-50, and 20W-50 oils are not “energy conserving” and can be used for most four-stroke motorcycle engines. At low temperatures, 15W40 motor oil is less thick Aug 17, 2014 · And besides you can find Mobil 1 or other full synthetics easier on sale. Motorcycle engines require specific viscosity levels to function optimally and provide proper lubrication. But it’s important to consider your engine type and the manufacturer’s recommendations. JayC. As a result, it will have a considerably worse start-up flow. -a buddy of mine who had a couple of quads and was like “that’s a diesel oil!”. 10w30 motor engine oil is suitable for heavy-duty engines. The ATV manual allows all the way down to 0w-30 based on ambient temp, so a 5w can't cause an issue imho. Halfords or Tesco’s own. 5w40 Oil has better low-temperature flowability, making it more suitable for colder climates. If you live in a region with moderate or warm climates, using 15W40 instead of 10W40 may not have a noticeable impact on your motorcycle. Can I use car engine oil in my motorcycle? This can be risky. Your car’s fuel efficiency can be increased by using a 10W40 oil. Motorcycle Engine Oil FAQ. Next oil change going to the Full synthetic 15/40 Rotella. car oil is a debate that has raged on and on for decades now. In the cold, 15W40 moves slower. As the temp is lower, then a 10w will remain a little thinner than a 15w. Dec 6, 2010 · Posted December 7, 2010. Jun 23, 2018 · Generally, only lighter-viscosity oils such as 5W-20, 5W-30, and 10W-30 are labeled as “energy conserving. The cheapest 10w40 engine oils cost around £5 per litre, most motorcycle-specific engine oils cost around £8-10 per litre while the most expensive are around £15 per litre. 5 cSt so I would mix those two 50/50 which would give you roughly 11. per cutting. A lot has changed in oil technology since those recommendations Sep 26, 2022 · However, if you really want to use different oils, there are some rules to maintain. Use T5 syn blend 15w40 with confidence. Using 10w40 oil instead of 15w40 means the oil film may get slightly thinner at high temperatures. 10W-40 and 5W-30 require a lot of polymers (synthetics excluded) to achieve that range. 5w40 is simply better than 10w40, it is a more modern formulation with a more stable viscosity. There are plenty of diesel oil fans on here, so a 5w40 oil isn't that bad. I use motorcycle specific oil, but that is an interesting factoid that 5twins mentioned, using non-motorcycle specific oil. But if your engine runs fine with 10W30 and isn’t burning oil, it’s better to stick with that. Maybe I'll just mix 0w40 with my existing 10w40 to arrive at 5w40. Dec 11, 2004 · For me, I keep it simple becuase I sell the products and recommend them, it seems easier for me to explain to a customer to use the Motorcycle Specific stuff. The main difference between the two oils is their viscosity, with 10w40 being thinner than 10w60. I don't know how great this oil is, but most of the oils in the cycle shops is pricey. Sep 14, 2021 · You may become confused due to the many differences between the oil requirement of two of these engines. Dec 7, 2021 · Therefore, the 15w40 motor oil will be thicker at cold temperatures than the 10w40 motor oil. They are known to be in the same class. 10W-30 synthetic oil’s range is between -25°C/-13°F to 30°C/86°F (sometimes -30°C/-22°F to 35°C/95°F) while a 10W-40 is from -30°C/-22°F to 40°C/104°F. 99 gallon till dec 24. So unless your new bike runs on diesel fuel I would suggest getting some motorcycle 10w40 at any auto parts store Jul 19, 2022 · The debate between using 5w40 vs 15w40 motor oil is a long-standing one. As a result, the engine parts last longer and delivers more output. On the other hand, 10w40 Oil provides adequate performance in a wide range of temperatures Sep 19, 2022 · A 10W40 oil, on the other hand, typically has a viscosity of 10W at 0°F and 40 at 212°F. The mfr requires synthetic so Durablend is out. I’m like no, it’s a heavy duty engine oil that people associate with diesels. Simply put, going lower on operating viscosity will be objectively bad for your car. They said either 10w-30 or 10w-40 is OK. 5W-40 rotella syn runs great in the 14. 8. And just by glancing at the numbers, we can tell that 10w30 will perform Jun 19, 2022 · 10w40 and 10w60 motor oils are both multi-grade oils that are designed for use in a variety of conditions. While 15w50 is thicker, it has a higher film strength, offering better part protection. The oil’s weight is primarily used in smaller motorcycle motors or diesel engines. Apr 17, 2024 · While the difference between using 15W40 instead of 10W40 is not significant, extreme cold temperatures can have an impact on the oil’s performance, potentially causing increased wear at startup. However, 5w20 will perform better in cold temperatures compared to 15w40. Jump to Latest Follow 13K views 8 replies 8 participants last post by MarineCorpsFlorist Apr 6, 2012 The higher the number, the thicker the oil remains at these temperatures. This means that 10W40 oil is thicker at high temperatures compared to 10W30. You can use 10w40 motor oil and 20w50 motor oil in warmer climates or hotter regions. Using a 5w30 or 10w30 synthetic is not bad for the engine, but for a piece of mind, you can use Mobil 1 0w40, Mobil 1 High Mileage 5w30, 10w30, or 10w40. Again, the rule of thumb is to refer to your owner’s manual. If you are going to use 15w40 instead of 5w20 and vice versa, do not make it a habit. Apr 17, 2022 · 5w40 and 15w40 are two different types of engine oil that seem and sound similar. That is what I run in mine or rotella t6 synthetic. Switched to the 15/40 less leaks (has seal Dec 19, 2011 · The selling dealer told me they prepped the bike with GN4 10w-40. In general, both 10w40 and 15w40 oils are used for engines that have high mileage of 100. Many have used 10W40 oil and gone back to the standard grade of 15W50 as teh engine seems to run happier on it, even in the UK. Just did an oil change and used some iPone 10w30 synthetic. JASO also introduced a rating system for 2 stroke oils. ok well its diesel engine oil and i get it for free. The 5 in the 5W40 means that the oil keeps its viscosity rating at lower temperatures and will flow as it should when cold starting etc. In 15W-40, the first number, 15, shows how thick the oil is when it is cold. 2008 Honda Rancher 420 4x4. #15 · Feb 15, 2019. The lower viscosity of 10W40 in cold weather benefits the engine by reducing wear on components during startup. It really doesn't matter what kind of oil/atf you put into the transmission of a two-stroke. This is just one difference between 15w40 and 5w40, to know more differences and facts read Oct 13, 2020 · While both winter-grade oils perform similarly and reduce drag during cold startups, the 10W-40 motor oil is more viscous in hotter climates and has a better temperature spectrum. --irv the iridium plug is oem on a rubicon. Is Using 10w-30 Diesel Oil in a Gas Engine Safe? Using the 10w-30 diesel oil in a gas engine is only safe if the oil meets that particular engine’s appropriate specifications and viscosity. However, they have some differences in their low-temperature characteristics. 9. But if you want robust, go for a 15w40. Of the two, 10w40 is the more viscous oil. 99 a quart two or three times a year! Apr 4, 2004 · 2000 Golf TDI. Royal Enfield owners often ask people ask – Can I use 15w40 engine oil instead of using 15w50 in Royal Enfield?. Aug 23, 2021 · Castrol Power 1. They usualy have Havoline oil for $. When exposed to the calefaction of a Jul 6, 2020 · Neither of those will cause a problem, the 10W40 has a wider specification at the hotter end and the 5W40 exceeds the specification on both the hotter and colder performance. ”. Using 10W-30 instead of 5W-30, however, could make cold starts more difficult. Would there be any issues in using a 10w-40, or a 15w-50? 10w-50 oils are quite expensive, and if there is little gain (not fussed about power) more wanting longer engine life and better protection. Jul 26, 2022 · Comparison Table Between 10w30 and 10w40. My manual says 10w40 up to 20w50 to be used. Valvoline Durablend is the only passenger car 15w40 I know of, otherwise they are heavy duty engine oil. When I had motorcycles back in the 1970's and 1980's, I always used 20W-50. I've been very happy using T4 15w40 in my Nighthawk 750 (air cooled inline 4) and my Shadow 750 Jan 29, 2024 · For example, 10W40 means that it can be used at temperatures not lower than -20° С or -4° F, and 15W40 not lower than -15° С or 5° F, and both engine oils can be used at 40° С or 104° F. Sep 14, 2021 · It describes the oil’s resistance to flow at 212°F (100°C), or normal operating temperature. Nov 3, 2022 · 10w40 grade motorcycle oil will hold its performance right up to 40 degrees Celsius (104 degrees Fahrenheit), while the 15w50 grade motorcycle oil will hold its performance up to 50 degrees Celsius (122 degrees Fahrenheit). . Compared to 5W40, the 10W40 is thicker but a little bit thinner than average engine oils. You can tell the oil is thick by looking at the number “40” after W. Using 10W40 instead of 10W30 in your motorcycle may seem like a tempting option, especially if you already have some on hand. Diesel engines usually use oil with a viscosity of 15W40, while cars that run on gasoline use a thickness of 20W50. This oil is also thicker than all other oils, including 5W20. Nov 21, 2021 · A 10w40 motor oil has the viscosity of a ten-grade oil if cold and forty-grade oil if hot. Oct 18, 2015 · Rotella 15w40 is a Diesel engine oil and I'm pretty sure it says that right on the bottle. ” Use the suggested motor oil for your vehicle as a general guideline. Can I use 5w40 instead of 15w40? Can I use 5w40 engine oil on my motorcycle? If your motorcycle requires a 10W40 engine oil, there is no need to go for 5W40 oil. Now, here’s an important consideration. zl fd zc lt at kv ne dc zr af