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  1. 05-23-2019, 09:42 AM #1
    hydro17
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    Mercury 150 ProMax (#0G610057) install a water pressure gauge

    I have bought a water pressure gauge 30psi (see pic below)

    gauge.jpg

    I have read that one uses a T-fitting..? Is the plugg in the circle that I should replace with the T? If so what part number and where can I buy this T and the Pitot tube?

    plugg_pointer.png
    Last edited by hydro17; 05-28-2019 at 09:38 PM.
    RIB Unlimited 602/Merc 150 ProMax ss
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  2. ride.race.live
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    #2 05-24-2019, 07:21 AM
    the water pressure tube is a gray tube not black. look for it at the back of the motor.

    someone else may chip in on what the proper name for the T piece is with a PN.
    2004 Ranger Reata 180vs 8" rapid jack magnum CCM reeds 21P tempest plus- 2005 150 optimax 1B044209
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  3. hydro17
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    #3 05-26-2019, 09:33 AM
    Ok, thank you. I will look again.
    RIB Unlimited 602/Merc 150 ProMax ss
    Buster XSR/Yamaha F15C modified to F20
    Allison SS-2000 Excel/Mercury Racing Optimax 200xs SS SM 1.87
    Hydrolift T-17/Mercury Racing Optimax 200xs SS SM 1.87
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  4. JOE54
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    #4 05-28-2019, 07:06 AM
    hydro you can just cut hose and tee in line at top of block , can use some sort of plastic tee there for gage
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  5. silverbullet02
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    #5 05-28-2019, 09:41 AM
    Promax should have a fitting on the exhaust divider just below the regulators.
    Last edited by silverbullet02; 05-28-2019 at 01:12 PM. Reason: Meant to say regulators, not coils.
    1995 Allison XB-2003 225 Super Mag. It's slow and I'm ok with that.
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  6. JOE54
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    #6 05-28-2019, 10:19 AM
    mabe above coils below regs/ small brass plug
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  7. silverbullet02
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    #7 05-28-2019, 01:12 PM
    Quote Originally Posted by JOE54 View Post
    mabe above coils below regs/ small brass plug
    Edited my post, meant to say regulators. Had coils on the mind I guess, lol.
    1995 Allison XB-2003 225 Super Mag. It's slow and I'm ok with that.
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  8. silverbullet02
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    #8 05-28-2019, 01:15 PM
    Attachment 365018
    1995 Allison XB-2003 225 Super Mag. It's slow and I'm ok with that.
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  9. hydro17
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    #9 05-28-2019, 09:28 PM
    Thank you everybody! I got the right place now exactly like you wrote between the regulators. There is a small brass plug now.

    Skärmavbild 2019-05-29 kl. 04.36.09.png
    Last edited by hydro17; 05-28-2019 at 09:36 PM.
    RIB Unlimited 602/Merc 150 ProMax ss
    Buster XSR/Yamaha F15C modified to F20
    Allison SS-2000 Excel/Mercury Racing Optimax 200xs SS SM 1.87
    Hydrolift T-17/Mercury Racing Optimax 200xs SS SM 1.87
    Reply With Quote Reply With Quote
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