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TOPIC: Re:HD SAE 20W50 Oil in my Roadie??? Forum Tools Post New Topic Show latest posts Rules

#1012750 CalgaryGord (User) Fresh Boarder Posts: 25 HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   Good Day Folks Got a quick question: Can I run Harley Davidson's SAE 20W50 oil in my '06 Roadstar 1700? A buddy of mine has a few new jugs kicking around and offered my some cheap. Cant seem to find any info if this oil is compatible with these bikes. Any help or info would be appreciated. Thanks Gord.   Logged     The administrator has disabled public write access. #1012753 JEastonjr (User) Drive for the greater good. Platinum Boarder Posts: 1892 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   If it said ok for wet clutch.   Logged     https://www.paypal.me/JEastonjr   The administrator has disabled public write access. #1012755 CalgaryGord (User) Fresh Boarder Posts: 25 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   Thats my problem I can't seem to find any where where is states that. Ive done searches but can't seem to find any spec on the stuff.   Logged     The administrator has disabled public write access. #1012758 texasscott1 (User) Two of a kind Platinum Boarder Posts: 4486 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   Look for the JASO or JASO MA2 certification on the container. If it's there then it's ok for our wet clutch.   Logged     My 99 Standard Test Mule Scott B.   The administrator has disabled public write access. #1012763 Spydr (User) Let's Ride ! Platinum Boarder Posts: 2252 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   texasscott1 wrote: Look for the JASO or JASO MA2 certification on the container. If it's there then it's ok for our wet clutch. Last time I checked, Mobile 1 doesn't have the MA2 rating anymore. But my Castrol and Valvoline V Twin does   Logged     Welcome to my NightMare   The administrator has disabled public write access. #1012771 BikerRon (User) Sour Kraut Platinum Boarder Posts: 4189 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   Spydr wrote: texasscott1 wrote: Look for the JASO or JASO MA2 certification on the container. If it's there then it's ok for our wet clutch. Last time I checked, Mobile 1 doesn't have the MA2 rating anymore. But my Castrol and Valvoline V Twin does The Mobil 1 4T 10W40 has it, but they claim both (20w50 VTwin) are safe for wet clutches. Mobil 1 Racing 4T 10W-40 and Mobil 1 V-Twin 20W-50 engine oils are designed to help provide the proper frictional characteristics necessary for wet-clutch common engine/transmission systems.   Logged     Last Edit: 2017/06/03 18:53 By BikerRon.   ' width='450' border='0' style='max-width:450px; ' />   The administrator has disabled public write access. #1012772 texasscott1 (User) Two of a kind Platinum Boarder Posts: 4486 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   The MA2 is for bikes with wet clutches and catalytic converters like our FI bikes. The MA or MA1 is fine for our carbureted bikes but there is also a MB rating that's for bikes that use separate oils for the engine, transmission and clutch like Harley for instance. I don't know but Harley might use engine oil in the primary now. MA2 also delivers the highest friction performance.   Logged     My 99 Standard Test Mule Scott B.   The administrator has disabled public write access. #1012790 roadtoad1 (User) Killing bugs is not a joy, it's my duty Gold Boarder Posts: 768 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   I'm gonna stick with the Mobil 1 VTWIN, I tried the merc quicksilver and had bad clutch slipping, went back to mobil and problem went away! Just a little food for thought...   Logged     Killing bugs is not a joy, it\'s my duty   The administrator has disabled public write access. #1012795 Horsehammerr (User) Gold Boarder Posts: 847 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   roadtoad1 wrote: I'm gonna stick with the Mobil 1 VTWIN, I tried the merc quicksilver and had bad clutch slipping, went back to mobil and problem went away! Just a little food for thought...Been having clutch slip at higher RPM hard throttle and was thinking clutch spring needed replacement. I have been running Quicksilver for about 9000 miles now. I wonder if this slipping is simply an oil change ? Or should I stop putting Marvel Oil in my oil. I have always exchanged one pint of MMO for one pint of regular oil.   Logged       The administrator has disabled public write access. #1012808 SKWEARpeg (User) Platinum Boarder Posts: 12885 Re:HD SAE 20W50 Oil in my Roadie??? 8 Months, 4 Weeks ago   Horsehammerr wrote: roadtoad1 wrote: I'm gonna stick with the Mobil 1 VTWIN, I tried the merc quicksilver and had bad clutch slipping, went back to mobil and problem went away! Just a little food for thought...Been having clutch slip at higher RPM hard throttle and was thinking clutch spring needed replacement. I have been running Quicksilver for about 9000 miles now. I wonder if this slipping is simply an oil change ? Or should I stop putting Marvel Oil in my oil. I have always exchanged one pint of MMO for one pint of regular oil. Time for an experiment. Ditch the Quicksilver, and go back to Mobil1 or Amzoil 20-50. You can easily simply wait until a couple hundred miles before your oil change to add the MMO. That way the cleaning still works, and you don't have to worry about any effect it might have on the clutch.   Logged       The administrator has disabled public write access.

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