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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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Float valve seat removal...?
Hi all
I have a 2004 EC300 witn a PWK38 ASI carb. 1. Can anyone tell me how to remove the float valve seat without damaging it? 2. Can anyone tell me the dimensions of the O ring? I need to remove it and replace the O ring as it's leaking and causing the float bowl to overflow. Thanks, Dave. |
#2
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You know my brain is not accessing the information on pwk. I know the 28s are just in the body.
Either way check for hairs and crud in the tank. Esp once on reserve. Mate's one emptied in my van. Took months to get rid of the smell even after we ripped carpet out. A ball bearing dropped down the hole and tapped smartly with a punch can resurface the hole often.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#3
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Hi F5
The float valve is closing and sealing correctly in the valve seat. The problem is the fuel still flows around the outside of the valve seat, I'm guessing the O ring has failed, I'm guessing there's an O ring in there?! Has anyone ever removed the valve seat? Thanks, Dave. |
#4
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Can you spray it with some lube and then use two small, sharp, flat blade screw drivers on opposing sides to work it up/out by using the carb body as the fulcrum?
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#5
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There are some videos on YouTube showing how to remove the valve.
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#6
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I believe the seal is on the end of the needle, and the seat in the carb is brass. Check the end of the float needle for wear; also check the string tip at the other end of the needle - if it doesn't have any "spring," then it can't press the rubber seal into the seat.
Last, as above, use a ball bearing to lightly "reshape" the brass seat inside of the carb body, if everything else checks out. However, for cost and hassle, I would probably just buy a new float needle before I start trying to modify anything inside the carb. It's likely less than $10 for a new needle, and with that common of a carb they have to be everywhere. Maybe try Sudco?
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Phil (New bike pending...) |
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