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  1. #31
    I used this to test the pop off pressure. https://www.harborfreight.com/digita...tor-68245.html
    I only checked the fuel pop off pressure but I should have checked the oil valves as well. If I take the carbs out again I will check them. You will need some fittings but essentially you will feed the regulator ~20 psi from a compressor with the regulator turned all the way off. Slowly open the regulator and watch the gauge for what pressure the valves "pop off". I don't know how well that particular regulator will work at such a low pressure for the oil check valves but it will work well for the fuel pop off. Essentially you want to make sure the valves open at the approximate pressures they are suppose to. If they don't then fuel or oil won't flow at the proper pressure they are suppose to. You can use WD40 to lubricate the pop off seals while testing. Keep in mind they are usually full of oil or fuel so they should be tested wet.

    When I removed the part in the carbs to get to the screens I had to replace all the orings. They were dry rotted and were hard to get out. Soak them in WD40 or a penetrating lubricant if you can't get them out.

    I am sure you are aware the 5 outputs of the oil pump need to go their proper place. Three go to the carbs but the one in the middle requires more oil than the outer two carbs. You need to follow the service manual perfectly when it comes to connecting the oil lines. Again, you are probably aware of this but I figured I would mention it just in case.
    Last edited by beekermartin; 07-07-2020 at 02:37 PM.

  2. #32
    Im wondering if it is the carbs. The first time it was #1 and the second #3. I know ill have to check. I followed the spec for routing the oil lines so that should be good. Should

  3. #33
    It usually is a lack of lubrication or lack of fuel causing a lean condition. Pressurize the fuel system when you have it all back together and verify you don't have any leaks. Also, install a piece of Tygon see through fuel line where it connects to the pump. That way you can verify if there are any air bubbles in the fuel system. If you read my thread you know I am still chasing that problem unfortunately.

  4. #34
    Sounds and looks like a carb issue to me, gotta open them up.

  5. #35
    Will do. Just thinking wtf is next. I usually dont have much time during the week so I end up with too much time to think about it. Hell I just fixed the hull. Cursed. Last 3 months. Click image for larger version. 

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  6. #36
    Quote Originally Posted by Lowryder898 View Post
    Will do. Just thinking wtf is next. I usually dont have much time during the week so I end up with too much time to think about it. Hell I just fixed the hull. Cursed. Last 3 months. Click image for larger version. 

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    Did you have this listed for sale on Craigslist a few months back? There was one on there that a tree fell on. I almost took a ride to look at it. This was in CT I believe.


  7. #37
    Not yet though tempting. Too early and too stubborn. I live south of Sav Ga.

  8. #38
    Quote Originally Posted by Lowryder898 View Post
    Not yet though tempting. Too early and too stubborn. I live south of Sav Ga.
    There was one listed in CT that a tree fell on in almost the exact same spot and the pump was frozen. What a coincidence.

  9. #39
    Who now that is a coincidence. Yeah the tree branch fell while changing the trailer skids. Grazed my brother and did a little damage to the Yamaha. 2020

  10. #40
    That was an 02 that was listed

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