first time oil change
5w-50,,,
engine and tranny seperate,,
With questions like these you need the HD service book
BEFORE you put the first wrench on yer sporty...
5w-50w will give you a very short engine life,,,
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Shifted like crap,,I took It right out.
I decided thru reading that gear Oil, even a fine product like M1 was fine for a sportster tranny,
Also read that GL-5 based gear as Is M1 Oil's was slightly corrosive to copper and certain Insulator materials,,
Certain sportsters were burning out something called a "Stator" all around
13-15,000 miles.
Through hours of research the apparent difference between those who
had a stator fail and those who did not was GL-5 based gear oil..
I had the bottle ,,,Mobil 1 75w-90w,,,I took It back,,got me some
Formula + from HD.
I don't expect anyone to believe me, hell I still can't believe it
But there are many times, Not every time, I shift Into 1st from neutral and also thru
the gears, even fast down shifts and hear nothing,,,,Absolutly nothing.
Deceleration down shifts with good engine speed/tranny speed matches even Into 1st Gear
Are almost always scary silent now to the point I want to recheck and see if I missed a gear,,
that has never happend.
Let me clarify this,,,, I Hear NO gear clunk or chirp or anything.
the Only sound I get IF I'm listening for it Is a click,,Like cocking a semi auto pistol with the hammer.
I keep my clutch adjustment spot on.
Last edited by Osco; Mar 14, 2011 at 12:45 PM.







