Suzuki Carb Not Getting Fuel, Need Help

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Old 05-14-07, 04:36 AM
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Suzuki Carb Not Getting Fuel, Need Help

I am desperate for help with this, as I am writing from a small fishing lodge that is preparing for the summer season, and our one and only quad makes work around the camp so much easier. Every day without a working quad is misery!

My quad is a Suzuki LTD4WD Quadrunner 1990 250cc.

Problem started when throttle cable snapped at the carb, which we replaced no problem. After running a few mins, machine started to sputter and when we stopped it, wouldnt start again. (Before the problem it had seemed to not be running right, so we used it as little as possible)
We examined the obvious easy stuff and found the fuel pump assembly had massive corrosion, so we replaced it, since the carbeurator was not getting any gas.
After replacing the fuel pump, the carb still does not get gas....we have disconnected the hose going from fuel pump to carb to check, and nothing. All tubes are free of obstruction, fuel tank was drained completely and given fresh clean fuel. Leads us to think it may be a carb problem. The carb is in tricky spot, and I hope I dont have to remove it completely. Also, what should the needle screw be set at? Someone might have adjusted it in the past. Someone mentioned 1-1/2 to 2 turns back from snug is about where the needle screw should be, then tweak it from there.

Please HELP! I'm not the best mechanic, but I need to tackle this problem since I am in the middle of the bush, and cant afford to fly in help.

Big thanks in advance for any feedback or advice.
 
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Old 06-11-07, 06:51 AM
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Gonna Have to remove carb.

Hate to tell you this but your going to have to remove the carb. If you had corrosion on other parts, you probably have corrosion in the bowl of the carb...i.e. aluminum-oxide. I had this problem on a different engine. The corrosion was so bad that I had to replace the carb completely. The float valve was complete stuck, I couldn't pull in out with a jack hammer. I hope this helps.
 
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