I just picked up a hensim 150cc. when i bought it the seller told me it starts but dies when u hit the gas. I took the carb apart and cleaned every hole and jet very nicely. while i was cleaning the inside under the floats, a silver piece of metal fell out and now i cant find where it goes. i'm including a picture of what the jets looks like. what I also have another question if anyone can identify what this fitting is for aka wat is supposed to connect to it, it would really help thanks guys.



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and the silver piece i found (in the picture its gold)



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Does the needle fit in the silver part?

 

If it doesnt.. it could go in the hole the main jet and main jet holder came out of..

 

thanks for the quick response, that's what im thinking, maybe it goes under the jets inside. i just watched a video and this guy said that the tube that comes from the gas tank should go into the fitting i have circled in the first picture, but the way it was on my quad was different

 

The fitting on the carb should go to some where in the intake .. manifold maybe... or near it... Id guess its for vacuum

 

if the end part of the exhuast broke off would this cause it to stall. the exhuast tube is still on just not the muffler

 

also if i screwed in the 2 inner jets all the way would that make it not start?

 

is there any store that sells y connectors. my quad didnt come with it and i need to connect to vacuum hoses to the fuel pump

 

No .. but it might make it run a little lean..

 

The 2 inner jets (main and pilot) are supposed to be screwed all the way in.. they are not adjustable unless you get a new one..