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Quart Screamin' Eagle SYN3 Full Synthetic Motorcycle Lubricant- SAE 20W50

Part Number 62600005

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TESTED-CERTIFIED for use in Harley-Davidson® engine, primary chaincase and transmission applications, Screamin' Eagle® SYN3® Full Synthetic Lubricant makes changing and topping-off fluids a simple one-product process.

  • Only synthetic lubricant custom-blended, tested and certified for use in Harley-Davidson® engine, chaincase and transmission applications
  • SYN3® Lubricant is formulated to maintain the coefficient of friction for proper clutch operation and to provide the proper lubrication to the primary chain drive
  • Designed to provide the correct lubricity for the anti-wear requirements of transmission gears and for improved seal protection
  • Approved by Harley-Davidson® for use in all stages of engine life and is not detrimental to the break-in stage of engines
  • Updated technology allows the oil to stay fresher longer by maintaining fluid film thickness and low-temperature pumpability for improved wear protection over the oils life
  • Only high-performance oil that can be used in all three cavities of a Harley-Davidson® motorcycle, SYN3® lubricant offers improved wear protection, high temperature detergency and superior overall field performance
  • Our engineers have tested powertrains under controlled environments to make sure every additive is the correct additive and the right amount. The end result is the best oil you can buy for your Harley-Davidson® powertrain
  • SYN3® lubricant can only be purchased at your local dealer.
    For more information see SYN3® Premium Level of Protection.
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Formulated for use in Harley-Davidson® Engines, Transmissions and the following Primary Chaincase applications: '71-later XL, '83-'84 XR1000, '08-'13 XR, and '84-later FX, FXR, Dyna®, Softail®, Touring, and Trike models with wet type diaphragm spring clutch.

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  • Volume
    1.0 Quart, US liquid
  • Sold in Unit
    Each
  • In The Box
    1 bottle
Rated 4.3 out of 5 by 14 reviewers.
Rated 3 out of 5 by There are lots of oil choices out there. I ran the SYN3 oil for my first 2 oil changes. I then switched at the recommendation of a friend to Redline oil. They make a specific oil for the engine, transmission and primary. I must say the clutch actuation and gear shifting are greatly improved with the Redline product. It costs a bit more but in my opinion is worth it. August 15, 2016
Rated 3 out of 5 by Smooth Saling. Changed standard oil with the synthetic noticed more engine noise at first start-up. After my first ride, I also noticed a few new oil leaks. Went back to the dealership and complained about what started happening, they told me the synthetic oil was designed for the newer bikes, with closer tolerances. When I went back to the standard oil, all issues were taken care of. Lesson Learned. June 19, 2016
Rated 5 out of 5 by Sync SAE 20W50 I have 30K miles on my 2009 Dyna Low Rider. No problems or complaints! This oil rates high in a oil comparison. Using scientific oil analysis and manufactured provided data. This product would be rated higher except Harley-Davidson did not provide the motor oils ingredients by volume. There-fore, Manufactures that did were rated higher. With high marks and one hand tied behind its back. That's good enough for me! March 21, 2016
Rated 5 out of 5 by Great Oil I have put this oil in my machine for the past 19,000 miles so far at every designated oil change interval, comes out clean every time and the engine runs like new with no oil consumption what so ever. You have to trust stock OEM oil. Price is kind of high but look at prices of all synthetic type oil. February 3, 2016
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14 Questions | 11 Answers

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1 answer

Sportster Primary

Is this lube suitable for an 2008 Sportster primary case lube? I wanted to switch the entire bike to just one Synthetic lube.
August 6, 2016
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Dodge City, KS
I Ride: XL2008N
How I Ride: Local - Solo
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Answer: 
I have the 2007 Sportster and only put in the oil that is recommended in the owners/shop manual. My manual states as a "Note" Add only enough of Genuine Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant. My wife has a Dyna Switchback and her manual also states this same oil, so that is what I go with. The dealership said go ahead and put in the syn 3 but the bike is still under warranty and the manual does not say to use it, so I am sticking with the manuals recommendation. Only my Roadking manual does say you can use the synthetic oil, so I do in my King. Don't deviate from the manual is my best advice. Good luck and safe riding.

Ken
August 7, 2016
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Scarborough, Maine
I Ride: 2014 Road King/2007 Sportster
How I Ride: Touring - Solo
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2015 Softail Deluxe - Owners manual says
"Use only FORMULA+ TRANSMISSION AND PRIMARY CHAINCASE LUBRICANT (Part No. 99851-05 qt) when changing primary chaincase lubricant"

Also, for the transmission the manual says "Mixing mineral-based lubricants with SYN-3 in the transmission can damage the transmission"

Since 100% of the transmission fluid can not be drained with a "normal" service.

Is the manual wrong, or is the web site wrong about being able to use this in the primary and transmission?
May 11, 2016
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Michigan
I Ride: 2015 Softail Deluxe
How I Ride: Local - Solo
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Answer: 
Hey FLSTN,

The minimal residue of the mineral-based lubricant that is left after drainage will not cause damage when switching over to SYN3. And , yes, SYN3 can be used in all three locations of the bike.
May 12, 2016
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Milwaukee, WI
How I Ride: Local - Solo
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I was told by dealer not to use Synthetic in my 2010 Road King Classic of course I want the best for my Harley, they say engine runs to hot?? so I use regular Harley 20W50 oil, did I mishear them or is this fact?
July 10, 2015
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The Villages Fl
I Ride: 2010 Road King Classic
How I Ride: Local - Solo
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Answer: 
So this is the big debate, SAE 20W50 vs. SYN3®. I can tell you that SYN3® was formulated to provide high-temp protection for high-output engines. But again, it's all a matter of opinion.

It certainly does make life a lot easier since you can use SYN3® in your engine, tranny and primary chaincase.
July 17, 2015
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Milwaukee, WI
How I Ride: Local - Solo
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If so, this would make it a synthetic blend vs. a full synthetic??
June 1, 2015
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Charlotte, NC
I Ride: FLXH, 2012
How I Ride: Touring - Solo
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May 28, 2015
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North carloina
I Ride: 2014 FLHXS
How I Ride: Touring - Solo
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