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read the manuel on weight,,silkolene is what came w/ my 07-st3-s-abs,red-line,repsol,motul are ducati friendly.stay away from any mobil oil,its good in vehicle though.stock oil filter from ducati are great,stay w/ them,replace the oil-filter w/ a new washer gasket also,these are of my opinion only,every ducati rider has a differ.view so guys like me Respects all the opinions and years of riding from the most of experience of ducati ownners,thank you to all those guys.
 

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Oil answer your question

When I asked the same question on another forum, this is the most helpful response I got:

http://www.ducatimonster.org/forums/tech/122020-motor-oil.html

This fella really knows his potatoes - a certified petroleum engineer, he breaks it down for us, answers many, many questions about oil(s) in detail. Every other response I got was just another opinion from well-meaning folks who have no real lubrication creds.

What I took away from the posting was "use Mobil1 10W40 4T Racing oil" and an Amsoil filter. I did that at my last oil change and it feels like I'm riding a completely different machine - I mean TRANSFORMED! I ride a 2006 ST3, ~16,000 miles.

See what you think. Hope this helps you, brother.

George
 

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Transformation

Brian - sure thing. It shifts incredibly smoothly now - like butter; when first started, it seems to very quickly settle into a smooth idle while warming up; the bike seems to run, well, smoother. It seems more manageable at lower RPMs - like when going around corners and starting out. Doesn't seem to be working as hard to accelerate when the grip is twisted.

Honestly, I had NO expectation for anything other than an engine and transmission that would be simply better lubricated. I fully expected the bike to run exactly the same, just with better protection for the metal-to-metal parts.

The oil I used previously was the dealer-selected 20W-50 semi-synthetic (I think). Don't know the brand - it was under warranty then.

I can't imagine ever running anything else now but the Mobil1 10W-40 4T Racing oil...I'm no racer (ride like an old lady, actually)... and I have no affiliation with, nor obligation to any oil company. Just sharing my experience and the source of my information - it's a VERY long posting (I think it's over 50 pages), but it appeared to me the man was highly-knowledgeable and very generous about sharing what he knew.

Try it. See what you think. Share your findings.

Best wishes,
George
 

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Today I did my oil change using Amsoil 10x40 and a K&N oil filter.

This filter has a nut on it so it is very easy to change. Also make sure you clean the magnet on the drain plug and inspect the oil screen. You will need a 10mm for the oil drain plug and a 14mm for both the screen plug and screen.

My first oil change I had one small shaving. Today the screen was clean and just a couple small splinters on the magnet.

Stew
 

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George,

Thanks for the endorsement and details. Can't say I have any complaints about the Motul 300V, although the shifting on my ST4 tends to be more clunky than buttery. I think my bike is going to Nichols for the next service. I'll have to see what they recommend.

Thanks!
 

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Life is too short to worry !
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I always use Mobil1 but I have a dry clutch.
I believe it is important to avoid Car Oil if you have a wet clutch due to some of the additives.
I go for quality rather than frequency and Mobil1 has a good reputation over here.
 

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Mr Leakered
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That shouldn't be the case. It has been almost 20yrs since the last time I felt any transformation after changing oil, coolant, or brake fluid. Tires and brake pads are different, but if you're feeling a change in performance after a straight fluid swap, something is not right. I felt some changes when trying different brands in one of our car's transmissions, as it took three different tries to get rid of the notchiness, Redilne MTL, FWIW.

Please note that I like extended drain periods (10,000mi no time limit and 6k in the Duc eventhough I would say these vehicles see the severe side of maintenance schedule).

Just my opinion.
 

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Hm... bike runs, looks, smells, attracts, feels, (etc.) better than new. You can't sit there and tell me that you feel NO difference after changing the fluids. Can ya? Seriously?
You need to be one with your bike... Close your eyes. think... feeeeel.... visualize...

All together now.
Ooowwwwwwwwwwwwwww. aaaaaooooowwwwwwwwww
 

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Mr Leakered
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8P I hear ya. I believe I have a sensitive butt dyno, and . . . nuthin' there. The ST was transformed after the valve adjust. It was transformed after the K&N and airbox chop. It was transformed after the quiet clutch mod.

Oil change, nah. Same with clutch and brake bleeds. The coolant was done with the valves, but I don't think coolant smoothed out the lower rev band or enabled the engine to start up easier.

If you are feeling changes with straight fluid swaps, I would send it out for analysis, cut down on the interval, or change brands quickly. The only thing you should notice are bloody knuckles or a lighter wallet. Again, just my opinion and experience.

What I like to visualize is the oil corsing through the supply lines 2sec after startup, feeling the ignition pulse in my chest, and going for a nice weekend ride. But, right now, I'm just visualizing my ST in good shape again (it was a rough Friday).

Have a good one.
 
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