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[laylonlor]

how often do you change primary oil on a 2010 cvo street glide

[donald p]

A lot of us change the PRIMARY oil every time the engine oil gets changed.

[ultrarider123]

A lot of us change the PRIMARY oil every time the engine oil gets changed.

I would agree, Donald. 

I change all three every time I change the motor oil.  May be overkill but it's not that much more to guarantee the fluids are in good shape and it gives me piece of mind (and I enjoy the process... )

However, if you want to follow the manufactures regular service interval, replace primary fluid every 10,000 miles, transmission fluid every 20,000

[Mr D]

how often do you change primary oil on a 2010 cvo street glide

What's your current miles ?
Has yours ever been changed ?

[Mr D]

A lot of us change the PRIMARY oil every time the engine oil gets changed.

How often do you change the engine oil?
What's your brand ?

[laylonlor]

 i changed it 5 k ago, was  doing the engine oil change and was thinking about it, i use 20/50 lukas non deter.

[longlast]

Change the primary oil for sure! If you do a lot of city riding you could be using the clutch 50%or more then normal usage.  I would change it at 2.5 or 3k. do to the viscosity of the oil braking down with more clutch powder contamination of the oil (also peace of mind)

[bakon]

10k or once a year. Anything more is waste of fluid.  Also same on tranny.

[68 XLCH]

I change all three and clean the air filter every 3K, i know it may be overkill, but doing it yourself keeps you in the game, see what is going on and since i only ride, at most 6K a year its no big deal to do.

[skratch]

How often do you change the engine oil?
What's your brand ?

I change the engine oil every 5k.  usually use redline 20w-60, as it is hotter than satan's armpits here.  If I do manage to do an oil change at the time where summer's over, and I know i'll be changing again before the next summer starts, i'll go with mobil1 15w-50.

either way, I change the primary at every engine oil change.  I use shell rotella t 15-40 for that.  get it from advance for $14 for 4 qts.  that's enough for 3 changes, or basically, a year and a half.....

[donvito]

I change the primary every 5k along with engine. Theres too many pieces of debris that come out of the clutch material to go longer. Trans is what the book says, as long as it stays clear its good to go, I use Schaeffers full syn gear lube.

[grc]

Unfortunately changing the lubricant more often isn't going to "fix" the problems of the Harley primary, nor is trying different brands of lubricant.  You could use the most expensive lube known to man and change it every week, and poorly designed and manufactured parts would still wear out prematurely or fail.  But for those who like to tilt at windmills, I guess changing primary fluid more often isn't the worst thing one could do with a Harley. 

If the late model primary didn't create so much debris I'd say change the lube when the manual tells you to do so.  The lube isn't worn out even at 10k miles, but it is filled with trash that isn't filtered out like the motor oil.  Change it when you change the motor oil, at 5k miles.

JMHO - Jerry

[Mr D]

Blanket coverage
http://gmrperformance.com/products/compensaver/

[iski]

Oil & primary changed at 5k.

[heatseeker]

I change all three every 5k miles.

[08glide]

I would agree, Donald.

I change all three every time I change the motor oil.  May be overkill but it's not that much more to guarantee the fluids are in good shape and it gives me piece of mind (and I enjoy the process... )
I agree Howard. that way I'm not guessing (even though I keep records on all of it ). It's just peice of mind for me & not that much more$$.

[Jetmech30]

I change mine twice a year once in the spring and once in the fall i use formula plus my primary spectro six in my transmission and Amsoil in my engine..in my transmission only change it once a year.. I change out my air filter also

[muddypaws]

I change like the manual tells me to do. Put just under 100,000 on last bike and that system worked.