Delivers up-to-the-minute AMSOIL product news, technical updates and product suggestions. We will also post articles and news that our readers may find helpful.
Can 75W-90 Replace 75W-85 API GL-5 Gear Oil? (Updated Guide)
Updated February 18, 2026 AMSOIL Now Offers A 75W-85 API GL-5 Gear Oil If your owner’s manual specifies 75W-85 API GL-5 gear oil, you’ve likely…
Is Diesel Engine Oil OK For Motorcycles Engines and Transmissions?
Update: May, 2024 A reader asks: A lot of motorcycle owners use Shell Rotella T6 diesel oil in their engines/transmissions. Is there any downside to…
Top Five Reasons To Use AMSOIL Diesel All-In-One Fuel Additive
New AMSOIL Diesel All-In-One Fuel Additive is one of those products that one could argue doesn’t cost, it actually pays. This multi-faceted diesel fuel additive…
Can Modern Synthetic 2-Stroke Oil Be Used In Older Engines?
Can running the latest synthetic 2-stroke oils cause problems in older outboards, snowmobiles, dirt bikes or lawn/garden engines? A reader asks: I’ve got a 1995…
Nissan Skyline GTR Motor Oil Options: 10W-40 Or 0W-40?
A reader asks: I own a Nissan Skyline GTR with the twin turbo RB26 engine. The previous owner used 0W-40 motor oil. I’ve read online…
Which 2-Stroke Oil For Mazda RX-8 Rotary Engine?
Updated- September 2025 A reader asks: I own a Mazda RX-8 rotary sports car. At present, some of the engine oil is injected directly into…
Free Shipping On AMSOIL Orders From June 14-20 2017
AMSOIL is offering free shipping on orders over $100 for Preferred Customers starting on Wednesday, June 14th at 9 am CST and ending on June…
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…
AMSOIL Discontinues Saber Outboard Synthetic 2-Stroke Premix Oil In Canada
Saber Outboard Premix can easily be replaced with other quality AMSOIL synthetic 2-cycle oils. AMSOIL has discontinued Saber Outboard Synthetic 2-Stroke Premix Oil in Canada…
New Special 15W-60 Motorcycle Oil For Indian Scout and Victory Engines
Here’s why a special oil is needed for Victory and Indian motorcycle engines. AMSOIL has released a new 100% synthetic 15W-60 motorcycle oil. The new…
Does AMSOIL Offer Free Shipping On Orders Over $100?
Yes and no. Let’s explore how you can get the best possible deal on AMSOIL products and the instances where free shipping is available. Over…
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…
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…
AMSOIL Inc. Founder Al Amatuzio Passes Away At 92
Albert “A.J.” Amatuzio, founder and former CEO of AMSOIL passed away late on March 31st at the age of 92. Mr. Amatuzio was born on…
New AMSOIL Small Engine Oils And Zero-Turn Hydrostatic Transmission Fluid
AMSOIL is about to release a new line of synthetic motor oils for small/utility 4-stroke engines and and transmission oil for zero-turn mowers. Here are…
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…
New AMSOIL API-CK-4 Diesel Engine Oils Now Available
AMSOIL has performed a major overhaul on their synthetic diesel engine oil line up with the introduction of seven brand new products. The motivation for…
Snowmobile Synthetic 2-Stroke Oil Cold Flow Test: AMSOIL vs. Ski-Doo, Polaris And Arctic Cat
The video below shows how quickly Ski-Doo XPS 2-Stroke Fully Synthetic Oil, Polaris VES Synthetic 2-Cycle Snowmobile Oil, Arctic Cat CTEC2 Synthetic 2-Cycle Oil and…
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…
Industry Spec List And More Info On New AMSOIL Diesel Engine Oil Series
AMSOIL has released more information on their brand new line of synthetic diesel engine oils. This extensive new line-up will be released in early 2017…
EcoDiesel Motor Oil: Confusion Still Reigns For Some Ram Owners
Update– EcoDiesel Motor Oil Information for 2014-2022 Models As many of you may know, Chrysler changed the motor oil recommendation for EcoDiesel engines back in…



