2005 fxst trans fluid
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Tourer
Joined: Nov 2007
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From: CLARKSVILLE,TN
2005 fxst trans fluid
ANYONE EVER USE gear oil in a trans?...in my shovelheads i always ran it....i like knowing whats leaking...th smell...ahhhhh.lol
think 26 ounces of heavy weaight gear oil be better in 2005 fxst?
opinions?
worked very well in my shovel builds
think 26 ounces of heavy weaight gear oil be better in 2005 fxst?
opinions?
worked very well in my shovel builds
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Joined: Sep 2008
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From: San Diego, CA
With the exception of people who run engine oil (like HD SYN3 20w50 engine oil) in all three holes, I think most people choose to run a gear oil in their transmissions....
All my riding friends use gear oil in their transmissions...
I have always used gear oil in my trans to include 2 shovel heads, 1 EVO, and 5 Twin Cams...
One time when the MoCo first came out with SYN3 synthetic oil (2003), I let a dealer put it in all three holes as they suggested... My trans sounded like a box of rocks, and within a month or so, I drained that 20W50 oil out of the trans and went went back to gear oil...
I used Valvoline SynPower synthetic gear oil (75W90) for many years...
For the last 5 years I've been using BelRay V-Twin Gear oil which is 85W140.
Harley recently came out with their own transmission specific synthetic gear oil called Harley-Davidson Heavy Synthetic Gear Oil (@ 80W140).
And sometimes, when I would run my bagger hard in the summer, I would get the smell of the gear oil from the trans vent....
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Tourer
Joined: Nov 2007
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From: CLARKSVILLE,TN
thanks hattitude i decided on 75w 90 for now i like the stink....lol you know whats leaking...cant wait to see whats in this trans....there was only less than half quart in the oil bag ...lol
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From: Danbury CT
Last edited by golfblues; Jan 22, 2023 at 08:54 AM.
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Tourer
Joined: Nov 2007
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From: CLARKSVILLE,TN
what a bitch of a place for a dam drain plug...lol smells to me like theres already gear oil in there...and it looks golden clean like it was just drained...pissed off...shoulda left it...lol now i need a dam rubber oring...they want me to buy ten....20 bucks in bidens world is alot
Seasoned HDF Member
Joined: Sep 2008
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From: San Diego, CA
what a bitch of a place for a dam drain plug...lol smells to me like theres already gear oil in there...and it looks golden clean like it was just drained...pissed off...shoulda left it...lol now i need a dam rubber oring...they want me to buy ten....20 bucks in bidens world is alot
Whoever is charging you $2.00 per O-ring is a crook....
The HD oil plug o-rings are a 7/16" ID x 9/16"OD x 1/16" thick o-ring... The standard size is 013....
I prefer Viton rubber over Buna rubber....
Look around you can get them really cheap...
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Tourer
Joined: Nov 2007
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From: CLARKSVILLE,TN
i have a whole pack of 500 of the plumbing orings by danco...think they are the same thing? danko stk 34443
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Joined: Sep 2022
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From: Kansas
I used the Valvoline Synthetic Gear Lube (75w90) in my 05 that was not shifting real smooth on crankcase oil and it smoothed it right out. I like the 'bag' it comes in for easy filling, too.... no funnel needed. I just got bike w 14k on it, so I'll need more miles to be certain.
Don't feel too bad about your O-Ring, I stripped the drain plug & had to re-tap the thing. What an awful place to put the drain.
Don't feel too bad about your O-Ring, I stripped the drain plug & had to re-tap the thing. What an awful place to put the drain.
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Joined: Sep 2008
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From: San Diego, CA
I have no idea what those o-rings are....
If they measure to the specs I posted above, they will work...