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  1. #1
    To HE77 with Georgia!
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    Tanks of oil to tanks of gas

    Hey ya'll.

    Ok, the search feature has been exhausted. It rejects 3 letter words and smaller, and I put every permutation I could think of in quotes and got no hits on this topic.

    What's an expected range of tanks of oil to tanks of gasoline? I have a '96 SL900, and th manual states pre-mixing at a 50:1 ratio during engine break in, on top of the oil injection. Is the standard ratio 50:1 in normal operation? If so, I can go off in my corner and figure out my tank to tank ratio on my own.


  2. #2
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Typically if your not running the oil injection, you would need 40:1 normally, and 32:1 during break-in.

  3. #3

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    From what i've read it depends on your riding style. The oil system pumps at a variable rate. At lower rpms it runs somewhere in the range of 100:1
    If you are switching to pre-mix, then that also depends oil the type of oil you are running. Amsoil can be ran safely at 100:1 in most set-ups while cheaper oils most run at 40:1 or 50:1
    Last edited by woollums; 05-10-2008 at 08:06 AM.

  4. #4
    Moderator beerdart's Avatar
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    It holds 3.5qt's so 112 oz. At 40:1 3.2oz per gallon that 35 gallons.

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    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by beerdart View Post
    It holds 3.5qt's so 112 oz. At 40:1 3.2oz per gallon that 35 gallons.
    That calculation is based on the oil injection mixing at a fixed ratio.

    Is that actually the way it works, or does the oil injection richen the oil ratio as throttle is opened, and actually deliver much less than 40:1 at lower throttle positions?

    It sure seems to me like the oil tank empties a lot slower than a 40:1 ratio would suggest. It just seems to take a long time before the oil tank needs filling...

  6. #6
    To HE77 with Georgia!
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    Beerdart, you seem to love going out of your way, Thanks!

    But it appears I have brought up a question without a unanimous answer... I just wanted a rough idea anyways, so if it's variable, it's ok, just wondering if I'd get 2-3 tanks of gas per tank of oil, or more like 5 or 6. Ok, online reaserch done, useable boat ramps circled on my map... I'm off to the lake!!

  7. #7
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Quote Originally Posted by GT_Rambo View Post
    Beerdart, you seem to love going out of your way, Thanks!

    But it appears I have brought up a question without a unanimous answer... I just wanted a rough idea anyways, so if it's variable, it's ok, just wondering if I'd get 2-3 tanks of gas per tank of oil, or more like 5 or 6. Ok, online reaserch done, useable boat ramps circled on my map... I'm off to the lake!!
    Well go have some fun then, but I thought all your lakes were dried up?

  8. #8

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    it's different on each ski my 96slx 780 seems to go through oil like crazy but my 01 slx uses far less then the 96 .to me it seems like the fujis use more oil than the domestic motors even when my buddies run there fujis it seems they use more oil .

  9. #9

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    i'd say closer to the 5-6 tanks, unless you are running at wot all day

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