Full Synithitic Oil in 990

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by Bridgeman, May 3, 2013.

  1. Bridgeman

    Bridgeman 2H

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    New 2010 990 Owner

    Hello, even before I start if this has already been covered please send me to correct postÂ…

    I just purchased a used 2010 KTM 990 Adventure with 11K miles on it that was switch over to fully synthetic oil after 2K miles, I have never went to full synthetic on any of my past motorcycles and wanted to see what your thoughts are on if full synthetic is a good option for this bike, and if not is there any possible way to move back to a semi synthetic or standard oil.

    Thanks
    #1
  2. The Griz

    The Griz Long timer

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    990's are broken in at the factory with Motorex Power Synt 10w-50 full synthetic. Then KTM refills them with the same thing and delivers to dealers. The engine was born with full synth in it so I'd keep running it. And actually, these motors are designed for full synthetic. All oil belief structures aside, it's a good idea to run the type of oil that the engine was designed for: 10w-50 full synth.

    I was told KTM uses Motorex Power Synt 10w-50 full synthetic in this machine:

    http://youtu.be/c37esaT1a04

    Tried to embed the YouTube video into this post but admins must have disabled embedding of video in vBulletin or something.
    #2
  3. The Griz

    The Griz Long timer

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    PS black on grey is hard to read.
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  4. Bridgeman

    Bridgeman 2H

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    Thanks, the vid was great...

    TB
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  5. midfat

    midfat wholesome dirtiness

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    I'd recommend restructuring your financial portfolio to increase your cash holdings. You're gonna need it.

    I DEFINITELY recommend synthetic, but OMG it get's expensive. I jumped for joy when I was able to buy a case of Power Synt 10-50 from the Motorex guys at a rally for $100. It was the last box and they made me a smokin' deal. That's $8 a bottle!
    #5
  6. Katoom119

    Katoom119 Mmmm....Orange Kool-aid

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    I'm actually going through all this right now trying to sort out a shifting "annoyance". As long as the bottle says that it meets JASO MA standards (JASO MB is for a dry clutch; MA is for wet clutches) then it's fine. As far as full synthetic I still think its better but I've poured full synthetic into the engine and then used regular dino oil on top of that, all from different brands and I think the weights were the same.

    Hey, I had leftovers I had to get rid of. :lol3
    #6
  7. what car??

    what car?? down the road

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    Sometimes full synthetic oil is damn hard to impossible to find when it's time to change the oil when you're out of the country. I use what I get, though named brand, in the same viscosity and run it and change oil more frequently.
    #7
  8. tomdubz

    tomdubz getting there

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    Haven't fucked with an oil thread in a while.

    What haven't I put in this beast in the past 35k (3 years)? Right now I'm rocking some "classic car" valvoline 5-50. Running great.
    #8
  9. Orangecicle

    Orangecicle On a "Quest"

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    I run Motorex 10W-50. Check out Pyndon's thread: http://advrider.com/forums/showthread.php?t=147440

    He had a leak and had to tear down the engine once it had high mileage. For the most part, everything was within spec. He's asked in there somewhere after reporting the teardown what oil he used. He states he ran whatever was available when the need arose.
    #9
  10. Two Moto Kiwis

    Two Moto Kiwis Homeless Somewhere

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    We are the same, currently running 20-50 4T dino oil in the SE and will change at 4.5 - 5k instead of 7.5k

    Fresher oil more often v full syn burnt longer? .... great arguement there ..... runs for cover :rofl :evil

    Funny thing is the engine is quieter using this than the Motorex???? Why??, the Motorex was 10-50 so not much weight differnce ... hmmmm.
    #10
  11. Orangecicle

    Orangecicle On a "Quest"

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    I like it when the cam chain clatter scares the Honda rice rocket riders when you pull up next to them at a light. :rofl
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  12. muzungu62

    muzungu62 Adventurer

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    The black on gray is much easier to read, should be the standard.
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  13. The Griz

    The Griz Long timer

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    Good points guys.

    I personally would much rather stick to KTM's design specs and recommendations: 10w-50 full synth.... Preferably Motorex. Motul, Castrol, Bel-Ray, Maxima, and Repsol also make great full synth 10w-50's for motorcycles with JASO MA wet clutch certification, if you can't get your hands on Motorex.

    However, if one has to run semi-syth or non-synth it is important to stick to the same weight. Changing low temp (first number) and high temp (second number) viscosity can adversely effect engine operation. The LC8 is designed for the mechanical resistance that the 10w-50 oil viscosity imparts on the engine parts.
    #13
  14. The Griz

    The Griz Long timer

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    :huh:scratch
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  15. crashmaster

    crashmaster ow, my balls!

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    However, some people should post with grey on grey. :lol3
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  16. v8toilet

    v8toilet Nothing to see here.

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    Here's a list of what I would say are the most common oil's I've seen folks run in the 950/990


    Motorex 10-50
    Rotella T6
    Mobil 1 15-40
    Mobil1 20-50
    #16
  17. RoundOz

    RoundOz Plenty of seasoning

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    ....another oil thread...yippeee

    anyway, been looking for a year round oil (for Nebraska, not California) as, while I dont mind (too much) forking out ridiculous amounts of money for Motorex, I hate the thought of leaving winter oil in for summer and vice versa. Today I discovered Maxima Ultra 4T 5W50. Problem solved! I can pay even more than Motorex and have it shipped to my door, or I can drive 400 mile round trip and pick it up in Denver if they special order it for me...for a whole dollar less a liter than the last price I paid for Motorex.

    BTW, I am bent over and ready to be reamed by the oil-thread trolls who like to screw with the anal people like me who worry about these sorts of things (those guys that drain oil from their tractors to throw in their Katum and have had 77,000 trouble-free miles)

    This year-round oil quest is all about my peace of mind (I do know that more engineering goes on in the advertising department of oil companies than in their labs).

    Anyway, anyone used Maxima stuff, or this oil specifically? Anyone know a distributor closer to the Dead-Center? :ear
    #17
  18. Two Moto Kiwis

    Two Moto Kiwis Homeless Somewhere

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    Well shit while we are at it,

    Use 20 - 50 4T dino oil and change it at say 2500 - 3000 miles

    or

    Use Motorex/similar full syn and change at 4500 miles

    Oil experts? lesser? qualilty oil changed more often so cleaner oil or better? quality oil in for much longer

    Hope the oil Police don't shoot me but on the road not everything is available at the local store on top of a volcano!!:rofl

    Maya's engine is quieter with 20 - 50 dino oil ..... so???????
    #18
  19. kaptinkaos

    kaptinkaos Just some nOOb

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    I use slippery oil. Sometimes it's brown colored, but usually more of a honey color. One time I actually looked at the wt of oil... Engines like clean oil better though so make sure the jug is hermetically sealed from the factory or else the valves will fall out.

    In all seriousness... Sure, run the recommended oil wt (or a step thicker for really hot climates/a step lighter for colder climates), but brand or type is of less importance as long as it's JASO and WA. Even more important is on time and regular oil changes. Just my 2 cents from the last 15 years of oil changes in bikes from crotch rockets to harleys to dirt bikes to dual sports. :D

    (I know I'll get flamed for that statement, but my bikes engines speak for themselves.)
    #19
  20. Two Moto Kiwis

    Two Moto Kiwis Homeless Somewhere

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    Sweet, we are in exactly the same boat here .... although the oil didn't taste like honey :evil ....flame suit on too
    #20