AMSOIL Synthetic Motorcycle Oils
AND Absolute Efficiency Oil and Air Filters
Download the Motorcycle Oil Study - (1MB PDF File)
Now updated July 2009! More oils compared - new tests.
NEW - AMSOIL Introduces MCT 10W30 Motorcycle oil
Note this link for AMSOIL Ordering the correct filters and oil. (But call me for the special price to beat)
Here's an informative Service Bulletin regarding Wet Clutch life and oil lubrication matters. Save this and pass it along.
Amsoil's Product recommendation service bulletin
*NEW* - EaAM Motorcycle Air Filters (For Harley-Davidson/ S&S and Barons; Honda and others)
 Replaces 95% of Harley Davidson OEM, upgrades and S&S filters - featuring nanofiber technology for superior efficiency, air flow and capacity for extended equipment and filter life and enhanced performance. Cleanable with low pressure shop air or vacuum. Clean once per year for 4-years. No messy oil! Also replacements for K&N. Ask for the updated spreadsheet cross-reference list or see photos on Filter page.
*NEW* - EaOM Motorcycle Oil Filters - 15 Micron/100% efficient. All makes. (ask about our Filter Cap Wrench with your purchase if you need one)
AMSOIL & NGK - Max Efficiency Test
 Open this link to view a test of AMSOIL Synthetic Motorcycle Oils and
NGK Spark Plugs (partner of AMSOIL) to increase motorcycle horsepower and torque.
AMSOIL INC. submitted AMSOIL 20W-50 Synthetic
Motorcycle Oil (MCV) and NGK Iridium IX Spark Plugs to
Cycle Solutions Inc., one of the top motorcycle dyno tuners
in the U.S., for a pair of motorcycle dynamometer tests on
late model V-Twin Harley-Davidson motorcycles.
As an AMSOIL preferred Customer you have access (and the price sheet) for all NGK plugs and wiresets @ substantial less cost. You can include them on your AMSOIL order.
If your oil says "Fully Synthetic" stay away. That is legal language only in the US for a Group III base oil allowed to be categorized as synthetic when there is actually ZERO man made synthetic in the oil.
You can verify this by reading reports in Lubes & Greases or searching the definition of Group III base oils which are highly refined petroleum oils to have high viscosity indexes. They do not perform anywhere as well as AMSOIL products, provide adequate transmission protection nor are they MA2 rated for motorcycle clutch life. In other words - It's foreign oil and ought to be $2 per quart.
These other lubricant companies actually know more about lobbying congress to bend laws in their favor than actually making the best oil but some of the big players admit - "we aren't here to make the best but we serve to make income for stock holders."
AMSOIL motorcycle oils the bar in the industry as these now offer the best in transmission protection and long term storage. Use a oil that really makes a difference. We get plenty of feedback on the incredible improvement in shifting, throttle response and temperature decrease.
View the AMSOIL 10W40 MCF Motorcycle Oil -OR-
View the AMSOIL 20W50 MCV Motorcycle Oil
ALL Motorcycle oils now in Gallons.
Heard using any non "Harley Oil" would cause issues with your warranty?
Well take a look at this! I think you will be happy to read this and based on what was written in a recent Enthusiast magazine, if they go with the statement that you are tied into using their oil, they must provide it to you FREE of Charge! - That's the law.
Call me at 800-579-0580 to save
 
NEW - Motorcycle Oil whitepaper study. Tests performed by Southwest Research show 15 top rated 40W and 50W motorcycle oils head to head in 12 critical tests including Viscosity Sheer Stability, Foam Control, Gear Performance, Price and High Temperature/High Sheer Viscosity. Sever top brands fail out of grade even before the end of a typical testing cycle.
They certainly didn't think anyone would spend the $200,000 it takes to run these tests so you could see where they rank in quality. AMSOIL says "You can clearly see we are not the best in every test but when you consider our performance across the board conclusively and where it counts, we offer the consumer unmatched quality."
Download the Motorcycle Oil Study - (1MB PDF File)
Note from Ches Cain: And according to the thousands of motorcycle customers of mine there is not one bike out there operating to their full potential until the operator consummates the use of AMSOIL.
July 2007 quote from Al Amatuzio Founder:
"I guess the real point of the motorcycle oil white paper and our continuous pursuit of quality is summed up in the final sentence of the editor’s note:
In any case, as motorcycle oils continue to improve, consumers will benefit. "
How can a 20W50 protect my transmission when it calls for a 90WT, 85W90 or 75W90?
The answer is simple. The viscosity for engine oils and gear oils are not part of the same scale. In fact a SAE 90 gear oil may actually have less viscosity than a SAE50 (20W50). The illustration clearly explains why. Now you know something most mechanics don't know.
Note on the above chart - We will soon be publishing a whitepaper study showing that most 90 WT gear oils use the cheapest base stocks thus at the bottom of the scale before early shear. This means they dip into the 40WT (engine oil) realm long before they are replaced, thus the inefficient operation.
NEW PRODUCTS!
Ea Air and Oil Filters for Motorcycles
 The introduction of AMSOIL Ea Air Filters represents a major breakthrough in filtration technology. For the first time, revolutionary nanofiber technology is available to the Motorcycle market. It is another first for AMSOIL!
Nanofiber technology has been used exclusively in heavy duty applications, including the US ARMY Abrams M1 tank. These filters simply do not degrade or hamper air-flow within their life span - guaranteed! AMSOIL has brought this technology to the auto/light truck market and now to motorcycles. AMSOIL Ea Air Filters provide the absolute best filtration and with an unmatched 4-year/100,000-mile guarantee, AMSOIL Ea Air Filters save money!
NEW!
If you have the teardrop shaped Baron's Big Air Kit that fits any of the following models of bikes, Amsoil now makes a replacement filter for your ride. Amsoil part no. EaAM24 has the same dimensions as the K&N no. E-3333 but with all the benefits of our Nanofiber Technology.
- Harley Davidson: All models
- Honda: Magna, Shadow, VLX, VTX
- Kawasaki: Vulcan, Intruder
- Suzuki: Marauder, Boulevard, Volusia
- Yamaha: Road Star, V Star 1100, V Star 650
Applications for the EaAM24 Teardrop: Harley Davidson, Honda, Suzuki, Kawasaki, and Yamaha.
Models are as follows: Magna, Shadow Ace, Shadow Aero, Shadow Sabre, Shadow Spirit VLX,VTX ,1300VTX, 1300 Retro, VTX 180CVTX 1800FVTX 1800NVTX 1800RVTX 1800S1500 Classic1500 Drifter1500 Nomad1500/1600 Mean Streak Vulcan 1600 Classic Vulcan VN 2000Vulcan VN800 A/Classic/ Drifter Intruder 1400, Intruder 800, Marauder VL800, Boulevard C50/C50, Road Star ('04-'05), Road Star ('99-'03), V Star 1100, Classic V Star 1100, Custom V Star 650, Classic V Star 650 Custom.
See how AMSOIL MCF 10W40 and MCV 20W50 provides maximum performance and cost effectiveness when looking beyond the marketing.
This document attempts to dismisses myths, rumors and mistruths common to motorcycle oils.
Motul 300V Competition was the most expensive but scored ninth in the SAE 50 group. Yamalube scored so bad that we don't believe even Yamaha knows how lacking in quality their top selling oil is. (Until this study reaches them) but their customers have already told me the difference noticed immediately when switched out to AMSOIL.
You came to the right place. We have been selling more synthetic motorcycle oils and filters than most of our other products so I will pass more savings to you. Call 1-800-579-0580 to see if we have your filter too.
WARNING: Ethanol blends are not only inefficient, but can cause severe problems in your bike.
We recommend the AMSOIL Performance Improver (AMSOIL PI or API-CN) to offset these problems while adding a significant boost to total combustion and reduction of added carbon deposits. AMSOIL PI works so well together with the benefits of the above engine oils you will never switch to anything else. Find out more about the severe mess ethanol has caused to motorcycles on our AMSOIL PI page.
""The ethanol is very detergent and causes dirt that's built up over years to come loose." All gas stations in Connecticut have been selling an ethanol blend since late last fall, although Mobil stations made the switch nearly a year ago and Getty outlets five years ago. MTBE (or methyl tertiary butyl ether), which has been known to contaminate drinking water, was phased out over a five-year period.""
- As written in the Republican-American on Saturday April, 15th 2006
Review AMSOIL PI
AMSOIL Synthetic Motorcycle oils are not only priced better, but are guaranteed to last twice as long. As stated in AMSOIL Data Sheets, the 20W50 (datasheet) and 10W40 (datasheet) oils have a service life twice as long as the manufacturers suggested interval or one year. AMSOIL resists sheer, adds rust protection and lowers engine temps significantly.
AMSOIL 10W40 Synthetic Motorcycle Oil (MCF) is recommended for Honda, Kawasaki, Yamaha, Suzuki, BMW, Husqvarna and KTM calling for a 10W-40 or 20W-40 viscosity, providing superior protection in engines and transmissions.
AMSOIL 20W-50 Synthetic Motorcycle Oil (MCV) is recommended for Harley-Davidson, Buell, Victory, Ducati, BMW, Aprilla and Triumph calling for a 15W-50 or 20W-50 viscosity, providing superior protection in engines, transmissions and primary chaincases.
When it comes to motor oil, what are the primary differences between motorcycle and automotive applications?
- Operational Speed - Motorcycles tend to operate at engine speeds significantly higher than automobiles. This places additional stress on engine components, increasing the need for wear protection. It also subjects lubricating oils to higher loading and shear forces. Elevated operating RPMs also promote foaming, which can reduce an oil’s load-carrying ability and accelerate oxidation.
- Compression Ratios - Motorcycles tend to operate with higher engine compression ratios than automobiles.
Higher compression ratios place additional stress on engine components and increase engine operating temperatures. Higher demands are placed on the oil to reduce wear. Elevated operating temperatures also promote thermal
degradation of the oil, reducing its life expectancy and increasing the formation of internal engine deposits.
- Horsepower/ Displacement Density - Motorcycle engines produce nearly twice the horsepower per cubic inch of displacement of automobile engines. This exposes the lubricating oil to higher temperatures and stress.
- Variable Engine Cooling - In general, automotive applications use a sophisticated water-cooling system to control engine operating temperature. Similar systems can be found in motorcycle applications, but other designs also exist. Many motorcycles are air-cooled or use a combination air/oil design. Though effective, they result in greater fluctuations in operating temperatures, particularly when motorcycles are operated in stop-and-go traffic. Elevated operating temperature promotes oxidation and causes oils to thin, reducing their load carrying ability.
- Multiple Lubrication Functionality - In automotive applications, engine oils are required to lubricate only the engine. Other automotive assemblies, such as transmissions, have separate fluid reservoirs that contain a lubricant designed specifically for that component. The requirements of that fluid differ significantly from those of automotive engine oil. Many motorcycles have a common sump supplying oil to both the engine and transmission. In such cases, the oil is required to meet the needs of both the engine and the transmission gears. Many motorcycles also incorporate a frictional clutch within the transmission that uses the same oil.
- Inactivity - Motorcycles are typically used less frequently than automobiles. Whereas automobiles are used on a daily basis, motorcycle use is usually periodic and in many cases seasonal. These extended periods of inactivity place additional stress on motorcycle oils. In these circumstances, rust and acid corrosion protection are of critical concern.
Harley Davidson customers require the best 20W50 available designed for your bikes. When you buy AMSOIL you are buying the original synthetic from the manufactures that started the industry back in 1972.
Recently I had a customer call who had switched to AMSOIL and rode along with his father with the exact same bike using Screamin' Eagle (Harley Synthetic). They both drove the same route, made the same stops and rode at the same speed.
Using the dipstick thermometers, the customer running AMSOIL AMV 20W50 observed a 18*F lower oil temp than the bike running the Harley brand! We hear this daily from our customers.
The New MCV which replaces the AMV enhances protection even more.
AMSOIL also recommends several times yearly the use of the AMSOIL PI Performance Improver (API). This product is a concentrated fuel system cleaner but mostly improves and restores efficient motorcycle and automobile engine operation.
Recent Noted From AMSOIL Founder Al Amatuzio:
(May 2005)
The other day I was reviewing the April Action News and the new G-100 product catalog included in it. The products featured in this issue were our two new motorcycle oils. Anyone reading about these outstanding new oils couldn’t help be impressed by how they totally blew the competition away in head-to-head performance tests.
Once again, AMSOIL outperforms the competition and puts test results that prove it right there for everyone to see. It’s also interesting that the very bike manufacturer that said not to use synthetic motor oils in their engines now sells and recommends a synthetic with their label on it.
They don’t make it, but they profit from it so now it’s OK to use. That’s very similar to how the other oil companies and automakers badmouthed synthetic motor oils until they began marketing their own.
Are their oils as good as AMSOIL? Not when you look at the tests! AMSOIL has a long history of making lubricants that are the very best. And the way we have shown they are the best is by testing them against the competition and publishing the results in our sales literature or right on the product labels.
I don’t know of any other oil company that does this like we do. But then, I don’t know of any other oil company that makes products as good as we do, so they don’t really have as much to toot their horn about as we do.
We recommend you review Mr. Amatuzio's other columns on these new Motorcycle oils and other products.
The new Ea Motorcycle Air and Oil Filters Available NOW
If you need help with a filter call us and we can match the right motorcycle or ATV one or use this handy guide: AMSOIL Application Guide (be sure to choose the "Power Sports Lookup" on the next screen in the right column.)
I am an Amsoil preferred customer and have been using Amsoil for about a
year now and I can honestly say that Amsoil has made a difference in the
performance, Mileage and quietness of my Honda VTX and all of my other
engines. I had been using Mobil One and not to say that it is a bad product but it does not compare to the quality of Amsoil. I now tell anybody thinking of doing an oil change, to just give Amsoil a try, as I know they will be happy with the results.
Motorcycle owners in Houston can find AMSOIL locally and save on shipping. See the AMSOIL site by Dealer and motorcycle expert Mark Godfrey, Houston, TX.
Amsoil and Land Speed Records - This applies more to Diesel owners but we want to show the quality that is put into AMSOIL over competitors products. Amsoil Motorcycle oils are and have always been priority one as the majority of our passenger car users learned about AMSIL through use in recreational vehicles.
In 2001 Hayes Diversified Technologies (HDT), located in Hesperia, California, began to produce diesel powered tactical military motorcycles for the U.S. armed services as well as the UK and EU NATO countries. Founded in 1961, the company originally manufactured electro-mechanical switches and relays to the military & aerospace industries.
 The new HDT motorcycles are diesel machines combining both power and environmentally friendly performance efficiency. We’re talking about a bike that gets 100 miles to the gallon AND can do 100 mph.
The HDT team was out on the Bonneville Salt Flats earlier this month striving to establish new national and world records. Displaying the AMSOIL colors while going through the paces at Bonneville, they offered up quite a number of very strong endorsements with virtually no prompting. “We noticed an increase in horsepower right away when compared to Delvac 1,” said Fred Hayes, founder/CEO of HDT. “What was quite surprising was the condition of the engine after a 50-mile run-in and over 120 full-throttle dyno runs. The camshaft bearings, the small and large end rod bearings, didn’t even look like they had been run. During that series of dyno runs, we registered the highest horse-power and torque readings ever.”
Dave Anderson, AMSOIL Technical Product Manager, had flown to Bonneville to witness and participate in the pursuit of new land speed records. (See 4 and Sept. 6 Updates) Hayes said to Anderson, “Our testing proved that AMSOIL Series 3000 5W-30 Heavy Duty Diesel Oil provided better cam bearing lubrication, better transmission operation and less blow-by than our previous oil. We picked up just over one horse power at the rear well.” This is a 3.7% increase and worth a 1 tooth higher gear ratio. “In addition, it appears that overall coolant temperature was down about five degrees.” That is roughly a 2.5% decrease in operating temperatures.
Very few bikers would be opposed to increased horsepower with lower operating temps, simply by switching over the lubricants.
“With over a year of testing, we have found that AMSOIL products continually outperform all other lubricants. AMSOIL provides improved performance, increased fuel economy, lower oil consumption, and significantly reduced engine wear in all operating conditions.”
Look for more on this unfolding story.
AMSOIL Customers Appreciate Greater MPG
Although results vary because of a variety of factors, a common denominator among AMSOIL motor oil users is an improvement in fuel economy. Independent testing reveals that AMSOIL Signature Series 0W-30 motor oil passes the API Energy Conservation Sequence VI test with a rating 38 percent higher than the API minimum specifications.
 "The test results show that AMSOIL has the potential to save energy by conserving fuel," said technical Services Manager Ed Kellerman. "In most cases it can increase mileage, but at the very least you're getting superior engine protection."
Ralph Sites, a police officer in Rustburg, Va. said he put AMSOIL 10W-40 Synthetic Motorcycle Oil in its 2002 GL 1800 Honda Gold Wing when it had 4,550 miles on the engine. "I had been getting 30 miles per gallon," Sites said.
His first oil change to AMSOIL, improved his mileage to 38 miles per gallon. At 6,500 miles on the engine, after replacing the final drive oil with AMSOIL Series 2000 75W-90 Gear Lube, he improved to 40 miles per gallon. "I switched to AMSOIL for the long-term gain. The improved gas mileage was just a bonus. AMSOIL is less expensive than Honda's synthetic and I don't have to change it as often. It's a win-win situation."
Anybody who comes and gets the AMSOIL motor oil in their motorcycle comes back with their cars," he said.
Likewise, Lance Okeson of St. Paul Minn. gained miles per gallon after switching to AMSOIL motor oil in his 1995 Cutlass Supreme.
Okeson made the switch after learning about AMSOIL from a customer of his at a quick lube where he works. His customer was so enthusiastic about AMSOIL, Okeson did some research on the AMSOIL Website and decided to try the products. A trip from the Twin Cities to Fargo, ND, in a steady 17 mile-per-hour wind, and back showed him an increase from 24 mpg to 30.5 mpg.
Protect your clutch, gears, valve train and other engine parts with the industry leader in motorcycle lubricants. We have it all here.
If you know others with motorcycles, take advantage of AMSOIL's dealership opportunities.
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