ATF in the Primary
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Cruiser
Joined: Mar 2017
Posts: 155
Likes: 29
From: Ft Campbell, KY
ATF in the Primary
So here we go... I have always used Mobile 1 Syn ATF in my primaries with excellent results (03 Fatboy, 108K miles). Now that I have a 17 Ultra Limited, slipper clutch, I'm wondering if anyone has tried it or read pros or cons about using ATF with the M8.
Seasoned HDF Member
Joined: Feb 2008
Posts: 22,999
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SYN will not hurt the primary. Heck HS runs syn3 in them. As for ATF your ride.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
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Club Member
Joined: Aug 2008
Posts: 22,855
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From: Lafayette, Louisiana
SYN will not hurt the primary. Heck HS runs syn3 in them. As for ATF your ride.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
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Joined: Jul 2014
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From: VA
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Seasoned HDF Member
Joined: Oct 2014
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From: Camp Lejeune, NC
Yup. Just use Formula +.
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Joined: Jan 2009
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From: East Tn Foot of The Dragon
SYN will not hurt the primary. Heck HS runs syn3 in them. As for ATF your ride.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
HD F+ is about a 50w ATF is to light has to many additives in it. People been doing it on and off for years. Still think all kinds of crazy stuff in primary accounts for some of the failures.
Last edited by ChickinOnaChain; Jul 23, 2017 at 09:24 AM.
Club Member
Joined: Aug 2008
Posts: 22,855
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From: Lafayette, Louisiana
Originally Posted by checkers
Different rules, tuner is now controlled by the Feds per Harley agreement. The lubricant is controlled by the dealer/Mfg.
What I am saying is if the specs given for a particular lubricant are XYZ, you should use a lubricant regardless of what brand that conforms to that specification.
It is truly baffling why someone would spend in excess of twenty thousand dollars on a motorcycle and risk warranty problems in order to save only a couple of dollars by using something other than what the manufacturer specifies, especially when there are numerous lubricants on the market that do meet the required specification.