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  1. #1
    BlackHawk's Avatar
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    Oill pressure gauge

    Has anyone ever installed an oil pressure gauge on there engine...if so where at, and what numbers where you looking at?


  2. #2
    GPRXP vspec1's Avatar
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    Yes, easy to do. In a 2004-05 you need to "t" it off the sender under the intake. On 2006-up just take it off the back of the cylinder head. 2004-05 seem to read a little lower due to the different oiling system. I get 80psi on a cold start, but it will creep down to about 40psi on a hot engine with good oil at idle. It seems the 2006-up get a little higher oil pressure at idle when hot. At WOT it will see 80 psi no problem. I know when its time for an oil change when oil pressure goes down.

  3. #3
    R88ory RXP's Avatar
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    Quote Originally Posted by vspec1 View Post
    Yes, easy to do. In a 2004-05 you need to "t" it off the sender under the intake. On 2006-up just take it off the back of the cylinder head. 2004-05 seem to read a little lower due to the different oiling system. I get 80psi on a cold start, but it will creep down to about 40psi on a hot engine with good oil at idle. It seems the 2006-up get a little higher oil pressure at idle when hot. At WOT it will see 80 psi no problem. I know when its time for an oil change when oil pressure goes down.
    Would this be a good spot to take oil temps from??? I would like to get real indivation of mu oil temp instaed of measuring the water exiting the oil cooler. Thanks R88

  4. #4
    ROTAX RACING performance
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    you can messure the oil temps more easy on the allen blockoff screw next to the oilfilter, or the small allen screw in the front oilpump ( lowest point)

    thats only for oil temp , not oil pressure,

    back of the head for the pressure, or orginal oil pressure sensor location with T fitting

  5. #5
    ROTAX RACING performance
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    the oil pressure should be 5 bar ( 75 psi ) minimum so if you have 80 psi at WOT, all is perfekt

  6. #6

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    how to do to increase oil pressure?

  7. #7
    R88ory RXP's Avatar
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    Quote Originally Posted by attila View Post
    how to do to increase oil pressure?
    Change you oil or if you pumps are dead change them, you filter could also be blocked so do a filter and oil change if you have issues.

    If not why do you want more oil pressure???
    R88

  8. #8
    SplishSplash's Avatar
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    Quote Originally Posted by vspec1 View Post
    Yes, easy to do. In a 2004-05 you need to "t" it off the sender under the intake. On 2006-up just take it off the back of the cylinder head. 2004-05 seem to read a little lower due to the different oiling system. I get 80psi on a cold start, but it will creep down to about 40psi on a hot engine with good oil at idle. It seems the 2006-up get a little higher oil pressure at idle when hot. At WOT it will see 80 psi no problem. I know when its time for an oil change when oil pressure goes down.

    2004-05 have the exact same plug on the back of the head, just beside the oil filter. No "T" fittings needed.
    Cold start, 80 to 90 psi at idle, once warm around 20 psi at idle and 80 psi at WOT

  9. #9

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    Attila--You do NOT need to increase oil presure on these motors. Increasing oil presure uses more horsepower--good chance to "wash" the bearings which is not good. Leave the presure alone.

  10. #10
    GPRXP vspec1's Avatar
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    Quote Originally Posted by SplishSplash View Post
    2004-05 have the exact same plug on the back of the head, just beside the oil filter. No "T" fittings needed.
    Cold start, 80 to 90 psi at idle, once warm around 20 psi at idle and 80 psi at WOT

    On the 2005-05 I would "t" it off the sender for a much more accurate reading. YES, you can take it off the head but readings are all over the place.

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