Best 4 Stroke Dirt Bike Engine Oil in 2022 (Top 15 Picks)

Sometimes it might be quite difficult to find the best 4 stroke dirt bike engine oil. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this 4 stroke dirt bike engine oil buying guide.

Our 15 Favorites:

Our Favorite 4 Stroke Dirt Bike Engine Oil Reviews:

Bestseller No. 1
YamaLube All Purpose 4 Four Stroke Oil 10w-40 1 Gallon
  • Yamalube OEM Factory 4 Stroke All Purpose Oil
  • Performance-Blend is Suitable for use in Motorcycles, ATVs, Side-by-Side Vehicles, and Scooters
  • Mineral Oil Provides Stable Clutch Performance and Strength to Protect the Engine from Wear and Tear
  • Oil Meets or Exceeds the JASO MA Requirements
  • Genuine OEM Yamaha Product
Bestseller No. 2
WPHMOTO Lifan 150cc Engine Motor for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle | 1N234 Gear 4 Stroke Oil Cooled Racing Engine
  • High performance Lifan 150cc engine, 1-N-2-3-4 Gear, manual clutch, 4 stroke 4 speed, Shaft size: 17mm
  • Replacement / upgrade for XR50 CRF50, Kawasaki KX KLX and other most popular dirt bikes
  • This kit comes with engine, starter & gear lever, manifold kit, CDI Box, Ignition coil
  • Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in
  • See below Product Description for more specifications
SaleBestseller No. 3
125cc Engine 4 Stroke Motor Single cylinder with Air-Cooled Motor Engine Pit Dirt Bike For Honda CRF50 CRF70 XR50 XR70 Dirt Pit Bike Motorcycle Spark Plug A7TC
  • ★【Type】: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand.
  • ★【Power】: Max Power: 6.5 kW/7500r/min±375r/min, Max Torque: 8.0 Nm/5000r/min±250r/min;Idle Speed: 1500r/min, Min Fuel Consumption: ≤370g/kw.h, Ignition System: CDI.
  • ★【Gear Ratio】: Gear Ratio:2.833/1.706/1.238/0.958, Compression Ratio: 9.0:1, Primary Reduction;Ratio: 3.722, Carburetor Type:PZ16J,Transmission:4-speed, Manual clutch, 4 Up; Start Mode: Kick-starter.
  • ★【High performance】: A high performance engine, perfect for those comfortable with faster engines and have a desire to get up and go; Wide range of applications, can be applied for bicycles, models, skateboards and so on. Excellent quality, great bike engine motor accessories.
  • ★【Fits】: HOMDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50.
Bestseller No. 4
WPHMOTO Lifan 150cc 4 Stroke Oil Cooled Racing Engine Motor Carburetor Wiring Harness Kit for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle
  • Lifan 150cc engine, 1-N-2-3-4 gear, manual clutch, 4 stroke 4 speed, single cylinder
  • Max. Power & Corresponding Speed: 9kw(7500±375) / Max. Torque & Corresponding Speed: 11N.M(5000±250)
  • Bore x Stroke: 56.5mm x 59mm / Sprocket: 15T 428 Chain / Shaft size: 17mm
  • Replacement / upgrade for XR50 CRF50, Kawasaki KX KLX and other most popular dirt bikes
  • Package include: (1)Lifan 150cc Engine (1)Kick Starter Lever (1)Gear Shift Lever (1)Intake Manifold (1)Manifold hardware kit (1)Carburetor (1)Air Filter (1)CDI (1)Ignition coil (1)Wire harness (1)Clutch Cable (1)Exhaust Muffler (1)Pipe
Bestseller No. 5
WPHMOTO Lifan 150cc 4 Stroke Oil Cooled Racing Engine Motor With Carburetor Wiring Harness Kit for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle
  • Lifan 150cc engine, 1-N-2-3-4 gear, manual clutch, 4 stroke 4 speed, single cylinder, Speed
  • Max. Power & Corresponding Speed: 9kw(7500±375) / Max. Torque & Corresponding Speed: 11N.M(5000±250)
  • Bore x Stroke: 56.5mm x 59mm / Sprocket: 15T 428 Chain / Shaft size: 17mm
  • Replacement / upgrade for XR50 CRF50, Kawasaki KX KLX and other most popular dirt bikes
  • See below Product Description for more specifications
Bestseller No. 6
ZXTDR Lifan 150cc Engine Motor for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle | 1N234 Gear 4 Stroke Oil Cooled Racing Engine
  • High performance Lifan 150cc engine, 1-N-2-3-4 Gear, manual clutch, 4 stroke 4 speed
  • Replacement / upgrade for XR50 CRF50, Kawasaki and other most popular dirt bikes
  • This kit comes with engine, starter & gear lever, manifold kit, CDI Box, Ignition coil
  • Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in
  • See below product description for more specifications
SaleBestseller No. 7
Gdrasuya 125CC Air-Cooled 4-Stroke Motor Engine Pit Dirt Bike ATV Quad Kit Manual Clutch Gasoline Engine for Honda CRF50F 00-09 11-15 CRF70 / XR50 / XR70 / Z50 125CC 1P52FMI Engine
  • ✔Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand
  • ✔Max Power: 6.5 kW/7500r/min±375r/min,Rated Power: 5.6 kW/7500r/min±375r/min,Max Torque: 8.0 Nm/5000r/min±250r/min
  • ✔Gear Ratio:2.833/1.706/1.238/0.958
  • ✔Transmission:4-speed, Manual clutch
  • ✔If you have any questions, please contact us and we will respond to your information within 24 hours.
Bestseller No. 8
JCMOTO Lifan 150cc Engine Motor for XR50 CRF50 XR CRF 50 70 Dirt Pit Bike Motorcycle | 1N234 Gear 4 Stroke Oil Cooled Racing Engine
  • High performance Lifan 150cc engine, 1-N-2-3-4 Gear, manual clutch, 4 stroke 4 speed, Shaft size: 17mm
  • Replacement / upgrade for XR50 CRF50, Kawasaki KX KLX and other most popular dirt bikes
  • This kit comes with engine, starter & gear lever, manifold kit, CDI Box, Ignition coil
  • Easy to hook everything up: Just remove your existing engine and reverse the process to put the new one in
  • See below Product Description for more specifications
SaleBestseller No. 9
4-Stroke 125CC Motor Engine Pit Dirt Bike ATV Quad Kit Manual Clutch Single Cylinder CDI Air Cooled for CRF50 CRF70 XR50 XR70 Z50 Z50R
  • 【HIGH PERFORMANCE】A high performance engine, perfect for those comfortable with faster engines and have a desire to get up and go; Wide range of applications, can be applied for bicycles, models, skateboards and so on. Excellent quality, great bike engine motor accessories.
  • 【MAIN PARAMETER 1】Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand; Bore x Stroke: 52.4mm x 55.5mm (2.06'' x 2.2''); Displacement: 119.7ml; Compression Ratio: 9.0:1; Max Power: 6.5 kw/7500r/min ± 375r/min; Rated Power: 5.6 kw/7500r/min ± 375r/min; Max Torque: 8.0 Nm/5000r/min ± 250r/min; Idle Speed: 1500r/min ± 100r/min; Min Fuel Consumption: ≤367g/kw.h; Ignition System: CDI; Start Mode: Kick-starter.
  • 【MAIN PARAMETER 2】Spark Plug: A7TC; Clutch: Wet multi-plate; Transmission: 4-speed, Manual clutch, 1 down 3 up; Carburetor Type: PZ16J; Primary Reduction Ratio: 3.722; Gear Ratio: 2.833/ 1.706/ 1.238/ 0.958; Lubricant Capacity: 900ml; Lubricant: SAE15W/40-SE, 4-stroke gasoline engine oil; Package Size: 19.7'' x 14.6'' x 13''; Package Weight: 46lbs.
  • 【FITMENT】For CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50.
  • 【PACKAGE CONTENTS】1 x 125CC 1P52FMI ENGINE, 1 x Kick Starter Lever, 1 x Gear Shift Lever, 1 x Carburetor, 1 x Intake Manifold, 1 x CDI, 2 x Intake Gaskets.
Bestseller No. 10
Maxima 30-20901 Premium 1 L 4-Stroke Engine Oil Premium 10W30, 1 Pack
  • For all air and water-cooled 4-stroke gasoline engines
  • Superior protection at any temperature
  • Excellent clutch feel and clutch protection
  • Shear stable formula maintains oil viscosity and film thickness
  • Optimizes cleanliness while controlling oxidation and wear
Bestseller No. 11
Gas Oil Mix Calculator
  • High contrast colors and font
  • Easy to read in bright sunlight
  • Choose light or dark theme
  • Set default units: Metric, US or Imperial (UK)
  • Use any fuel/oil mix ratio
SaleBestseller No. 12
Valvoline 4-Stroke ATV/UTV SAE 10W-40 Motor Oil 1 QT
  • Superior engine protection in the extreme operating environments of ATVs and UTVs
  • Formulated to protect the wet clutch system and maximize power transfer
  • A blend of cleaning agents and dispersants help prevent formation and keep engines clean
  • Shear stable viscosity improvers help resist oil film breakdown
Bestseller No. 13
Lucas Oil 10720 Engine Oil - 1 Quart
  • Package Dimensions: 4.38 L x 2.13 H x 9.13 W (inches)
  • Package Weight : 2.08 pounds
  • Country of Origin : United States
  • Part number: 10720
Bestseller No. 14
Quicksilver 8M0166408 10W-40 Synthetic Blend ATV/UTV/Motorcycle Oil – 1 Quart
  • Meets the needs for 4-Stroke, high-performance ATV, UTV and motorcycle applications
  • Offers outstanding protection even in harsh conditions
  • Wet clutch compatible formula prevents clutch slippage
  • All season formula works across a broad range of temperatures
  • Meets warranty specifications for Yamaha, Honda, Kawasaki and Suzuki
Bestseller No. 15
STAR BRITE Super Premium Synthetic Blend 4 Stroke Oil 10W 40-1 GAL (028200)
  • Shear-stable polymer additives plus synthetic base stocks maintain proper viscosity under extremely harsh marine conditions Synthetic/organic blend assures excellent low-temperature properties for quicker starts
  • This product exceeds the new NMMA specifications FCW desgined especially for 4 stoke Outboard Motors.
  • Exceeds OEM requirements-will not void engine warranty
  • Surpasses API requirements for SJ, CF-4 and CH-4. Provides maximum protection in severe, high RPM applications.
  • Additive package optimizes engine cleanliness, prevents sludge build up.

Last update on 2022-12-09 / Affiliate links / Images from Amazon Product Advertising API

How to find the best 4 stroke dirt bike engine oil?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best 4 stroke dirt bike engine oil for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good 4 stroke dirt bike engine oil recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the 4 stroke dirt bike engine oil need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for 4 stroke dirt bike engine oil to find what you’re looking for:

Brand

In some cases, the brand of 4 stroke dirt bike engine oil is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given 4 stroke dirt bike engine oil are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about 4 stroke dirt bike engine oil are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare 4 stroke dirt bike engine oil quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best 4 stroke dirt bike engine oil can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.