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  1. #1
    Albinomonkey's Avatar
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    1994 SLT 750 Dies Suddenly

    My 1994 SLT 750 dies suddenly after running under heavy throttle, or after making a tight turn under throttle. After it dies, it is hard to start, and sometimes won't start at all for 15 min. or so. When it does start, it only runs at 50% or less power. I recently replaced the fuel pump, fuel lines, and have good compression in all three cylinders. I was thinking it may be a reed valve. Any other ideas before I tear it apart?

    Thank you


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Carburetors rebuilt?

    Fuel lines inside the fuel tank replaced (if any)?

    Fuel tank clean inside? No water or gunk in the bottom?

    When it dies, does it crank at normal RPM? Does it try to fire up?

  3. #3
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    When it does die, remove the sparkplugs and see if they are wet or dry. What color are they?

    Can you hold your hand on the cyl heads for a few seconds?

    Do you have spark when it doesn't start?

    Are you sure you have enough fuel in the tank?

  4. #4
    Albinomonkey's Avatar
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    The tank is 3/4 full, and clean. No water.
    I can hold my hand on the cylinder for a fer seconds.
    When it cranks, sometimes it will usually sputter, so I assume it is getting spark ( It keeps dying in the middle of the lake, and I haven't had a chance to check it). Sometimes it will crank and crank untill I let it set for about 15 - 30 min.
    The engine will run for as long as I like, untill I run it at full throttle for a while then let off, or make a sharp turn while under full throttle.
    I have not had it die while out of the watter.

  5. #5
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Where do you ride?

    Does it die on a hard left, right, or both?

  6. #6
    Albinomonkey's Avatar
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    Both directions.

    Also the fuel can be on ON or RES.

  7. #7
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Where do you ride? Do you ever come up to Erie? I can easily take a look at it for you.

    BluFishCrisis is in Medina. maybe he can also take a peek at if you're out by his way?

  8. #8
    burtonrider10022's Avatar
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    When was the last time the carbs were rebuilt? K447 asked that in his post but it got over looked. New fuel pump and lines are great but if you are sending the fuel to a dirty/clogged carb, it's pointless. That's like an expressway merging down into an alley.

  9. #9
    Albinomonkey's Avatar
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    According to the guy I bought it from, the carbs were rebuilt about 18 mos. ago.

  10. #10
    BlueFishCrisis's Avatar
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    Quote Originally Posted by Albinomonkey View Post
    According to the guy I bought it from, the carbs were rebuilt about 18 mos. ago.
    I'd be happy to take a look. I usually hit Chippewa Lake in Medina County and Portage Lakes in Akron.....

    Also, I think you mentioned you ride at West Branch. I would routinely check your water inlets and screens when riding there. That is some dirty silty water. I have a 1/4" pisser on my boat that was completely clogged after running a couple of hours at West Branch. Not that this may be the cause of your issues, but worth will to add to the maintenance check list......

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