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Carb. Rebuild Kit Closed Course Racing Only for Yamaha
Applications:
Yamaha YW50 ZUMA 2003 - 2005
Tom Puttersq
Reviewed in the United States on August 11, 2022
Seems like quality parts. I was looking for a new float valve to hopefully fix my problem. I'm unsure if the tiny metal ring is the float valve seat? Yamaha YW50 carb diagram doesn't show a seat there, but it kinda looks like there might be one. Trying to fix problem of flooding when my 2004 Zuma sits for more than a couple hours.
Erik Estrada
Reviewed in the United States on December 30, 2022
Was exactly what I needed to tune up Yamaha Zuma carb perfect fit everything you need including new jet
Affordable RV Repair
Reviewed in the United States on January 12, 2022
All in all a great kit. Gaskets work perfectly well all the o rings were included very thorough kit. I have a 2005 Zuma 50cc scooter and when I took the carburetor apart the main jet was very dirty and needle was a little damaged. My problem was the main jet looked a little different then the one that came in the kit and the needle has four five slots on it where my original only has three. So I wasn't sure which slot to put the clip on and so just reused my old needle but then I wasn't sure if the main jet and my old needle would work together so I had to just clean up my old Main Jet and use those two parts from my old carb. Also the original float valve is a solid valve and the one in the kit is a slightly larger spring loaded valve which I don't believe would work in this carburetor I could be wrong but it looks like it is set up for a one piece float valve so I had to reuse that part as well. Someone has been in this carburetor before me and so the very small o-ring and very small washer was not in my original carburetor and without a parts breakdown I couldn't tell where are those two parts went in my carburetor until I search the internet later on and realized that it went on the air screw. So now I have to take everything apart and put those things back in there. I think the manufacturer of this kid should buy an original carburetor and make sure all of the parts in their kit actually fit and provide a blown up view of where all these parts go and what the default clip needle position and settings are. It's pretty basic for this particular carburetor the air screw is turned all the way in until it's lightly seats and then backed out 1.5 turns and it will be set perfectly. There is no float adjustment. So the only thing in there that needs adjustment is what position does the clip go in on your needle that you provide in the kit
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