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thinder tiger .61 leaking fuel

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thinder tiger .61 leaking fuel

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Old 06-11-2012, 12:10 PM
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tlojak38
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Default thinder tiger .61 leaking fuel

Hello everyone. I'm having an issue with my engine. I was having trouble with rpms at full throttle, and at idle. At w.o.t., I couldn't get the rpms I needed, then I would take it down to idle, it would run right, then stall. So, I'm trying to tune it, and I notice fuel comming off the carb. At w.o.t. couldn't notice any at idle. Has anyone else come across this? Is it a common pro.? Oh, and I replaced the carb o-ring. And made sure all fittings were tightened down. Checked where the needle valve goes in. There is a decent amount of fuel comming out, so I can't tell exactly where its coming out. Thanks for any help I can get. Todd
Old 06-11-2012, 12:42 PM
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mscic-RCU
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Default RE: thinder tiger .61 leaking fuel

Sounds like you need to replace the o-ring on the needle valve or you can take a small piece of fuel tubing and "sleeve" the needle valve housing and the needle valve. This will prevent the leak and sucking air through the needle valve.
Old 06-11-2012, 01:20 PM
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tlojak38
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Default RE: thinder tiger .61 leaking fuel

Thanks, ill look at that. If that's good, any other suggestions?
Old 06-11-2012, 03:09 PM
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tlojak38
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Default RE: thinder tiger .61 leaking fuel

I tried to find a new oring kit for this. Come to find out the carb is the old design. They've repositioned the needle valve. And I think it has a different oring now.

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