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Weekend adventure.....

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    Weekend adventure.....

    Well, Started off everything is great. Pulled the kids on the kneeboard, went out in a new section of lake and then anchored in about 6 feet of water to let the kids swim.
    Then a buddy with a pontoon came by and wanted to move to deeper water so I pulled anchors and cranked up and noticed my belt making noise. I thought no problem it happens but when I gassed it the exhaust was loud which told me no water was going out then the temp shot to 200+ and when I raised the engine cover smoke started coming out. This was when I noticed the raw water pump pulley was locked and the belt was sliding around it (causing the smoke). I shut down and drifted over to his boat.
    I thought no prob, I messed up the impeller I have a spare.

    First problem: I forgot my socket wrench for the pump bracket bolts
    Second problem: I don't have a cutoff valve for the pump intake so I can't break it down in the water.

    So I can't change my impeller. Well while I had the belt off I checked the pump pulley and it moved. I felt the vanes flip and it turned, then I reversed and flipped the vanes back. I put the belt back on and cranked it up and my temp dropped back to 150. I think back in business so I decide to shut down for a couple of hours to swim some more. Then we head back to the ramp. Well as soon as I hit it, the engine starts cutting out like it's running out of fuel. It still idles but won't load. I pull the drive knob and rev the motor a couple of times and it seems to straighten out and then I head out and everything seems fine.

    The questions I have are:

    Did whatever suck into the motor pass through? Was the stumbling caused by vapor lock or something from being hot?

    I just replaced the impeller about 5 hours ago do you think I need to breakdown and inspect? Think I should replace the belt or impeller?

    Sorry about the long post but I wanted to put all the info I had into it.

    #2
    How many hours do you have on your belt? It may be time for a new belt. I would inspect the impeller just to be safe...beats having to worry about it when you're out the next time.
    Cursed by a fortune cookie: "Your principles mean more to you than any money or success."

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      #3
      Is your impeller in the hull so low that water would come into the boat? I thought they were always installed above the water line, which would mean no water while you changed it.
      http://www.wakeboatworld.com
      []) [] []V[] [])

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        #4
        Mine's pretty low, but I have a V-Drive. I think Moki did a on the water change and had to stuff a shirt/towel into the intake to keep from taking on water.
        Cursed by a fortune cookie: "Your principles mean more to you than any money or success."

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          #5
          you may need to tighten the tension on the belt itself.
          - I changed mine after that happend just to be safe and then made sure it was tight.

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            #6
            Dogbert-I don't know how many hours are on the belt, it looks like it's been on there awhile.
            spharis-My water intake to the pump is on the bottom of the hull and it looks like the pump/impeller itself is about water level height. (I assume it's the same as yours as we have the same year boat)
            I am going to pull the impeller to make sure the "blades" didn't get damaged.

            So you guys think the trash or whatever passed through? Are there any other obstacles that something might get trapped/stuck on in the water system?

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              #7
              All Impellers are Not created Equal . . .

              After changing impellers over the years . . . purchased a replacement for the new year . . . same part number as previous . . . however, the pump, even with the belt tight, seemed to sieze at the strangest times . . . pulled the impeller and compared with my other replacements and it was just the slightest bit stiffer and a little bit taller by the smallest margin . . . put the other one in, no problems 80 hours and a great summer season later . . . hope this helps . . . Steve

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                #8
                Originally posted by Steve Walsh View Post
                After changing impellers over the years . . . purchased a replacement for the new year . . . same part number as previous . . . however, the pump, even with the belt tight, seemed to sieze at the strangest times . . . pulled the impeller and compared with my other replacements and it was just the slightest bit stiffer and a little bit taller by the smallest margin . . . put the other one in, no problems 80 hours and a great summer season later . . . hope this helps . . . Steve
                You might have something there. I went back out last weekend and it froze again, but this time I immediately took the belt off and cranked on the pulley to free it up and put the belt back on and it worked. I bought another new one but it being this close to the end of the season, probably only going out maybe 2 or 3 more times, I'm going to just let it go until the spring when I replace anyway. If your right it should make it that long.

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