|

AMSOIL Dirt Bike And Metric Motorcycle Oil- JASO MA vs. JASO MA2

A reader asks: Why does AMSOIL Dirt Bike 10W-40 have the JASO MA rating and not the JASO MA2 rating like the AMSOIL Metric Motorcycle 10W-40? How important is this? Our answer: Before we get into the finer details of JASO MA versus JASO MA2, let’s talk about the real-world difference between AMSOIL Dirt Bike 10W-40 (JASO…

|

When To Switch To Synthetic Oil In Harley-Davidson Milwaukee-Eight Engine?

A reader asks: I have a 2017 Harley-Davidson Street Glide Special with the new 107 Milwaukee-Eight engine. When is it safe to switch to AMSOIL synthetic oil in this engine? How often should I change the oil after the break-in period? Our answer: Harley-Davidson suggests changing the oil in Milwaukee-Eight engine after the first 1000…

|

Motor Oil Or A Specific Hydrostatic Transmission Fluid In Zero-Turn Mower?

Many mower manufacturers will allow the use of 20W-50 motor oil in their transmissions. While motor oil will work in many hydrostatic transmissions, there is a better option. There’s no question that motor oil will capably work in mower hydrostatic transmissions. The mower will steer and it will be propelled forward and backward. But there are vital…

New EcoDiesel Engine Oil Options For 2017

Update– EcoDiesel Motor Oil Information For 2014-2022 Models The advent of the brand-new API CK-4 diesel engine oil specification has prompted a deluge of new diesel engine oil products from AMSOIL. This is great news for Ram/Jeep EcoDiesel owners as there are now two 5W-40 motor oil options that meet the spec for their engine….

|

Oil And Filter Options For Kawasaki Mule Pro DXT Diesel UTV?

A reader asks: I’ve got a 2016 Kawasaki Mule Pro DXT UTV (with the 993 cc diesel engine). I’m having trouble sourcing an oil filter. Do you sell engine oil and oil filters for this model? I would also like to change the front diff and transmission oil. If you have any product suggestions, that…

|

Which AMSOIL Oil And Filter For New Harley-Davidson Milwaukee-Eight?

Harley Davidson is offering a brand new V-Twin engine for the 2017 model year. The “Milwaukee-Eight” is just the eighth big twin engine design in Harley’s 114 years of existence. This new engine replaces the “Twin-Cam” engine that has been in service since 1999. Related: See All Of Our Articles About Harley-Davidson Motorcycles And Synthetic…

|

Customer Wants “Straight Grade” SAE 50 Diesel Engine Oil

A reader asks: Do you have an SAE 50 heavy duty Diesel Engine Oil for trucks that meets the API CF-2 specification? Our answer: We do not have a “straight” SAE 50 diesel engine oil. But we do have a heavy-duty 20W-50 that would be ideal for any application requiring SAE 50. AMSOIL SAE 20W-50…

|

Does AMSOIL Offer A DEXRON HP Automatic Transmission Fluid?

A reader asks: Do you carry an ATF that meets the DEXRON HP spec? I’m having trouble finding a transmission fluid that meets that specification. Our answer: Yes we sure do. AMSOIL Signature Series Fuel Efficient Synthetic ATF is a high-quality upgrade over AC Delco DEXRON HP. This product also covers the DEXRON VI spec….

|

Is 5W-40 Motor Oil Now Suggested For EcoDiesel Engines?

Update March 2024: EcoDiesel engines have been required to use variations of 5W-40 engine oil since 2016. This applies all the way back to the original 2014 model. The article below discusses the switch from 5W-30 to 5W-40 engine oil that took place in 2016. See our application guide to find the correct motor oil…

|

AMSOIL Replacement For Evinrude HPF Pro Gearcase Oil?

Updated- January 2025 A reader asks: Do you have a replacement for Evinrude/Johnson HPF Pro High Performance Gearcase Lubricant? The label doesn’t show the viscosity of the product, so I’m not sure what to use. Our answer: Yes we have a direct alternative for Evinrude HPF Gearcase Oil. AMSOIL Synthetic 75W-90 Marine Gear Lube is…