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Post by aconnor303 on Jul 20, 2013 2:34:15 GMT -5
Hello everyone hope someone can help me out I own a 2012 vip 49cc scooter I live in Colorado and was wondering what jet size's I should use with high altitude my scooter is all stock right now but I just orderd a new carb from amazon it comes with a main jet#75 and pilot jet #35, my stock carb I have no idea what size jet it has but know it runs poor i got tired of fooling with the stock carb it bogs out when I take off and if im wot and let it off then try to give it gas again it bogs out i have cleaned the carb sevral times tried adjusting a/f screw and cant get it to run good even sometimes it stalls out when i stop at a light or stop sign, the only thing i have ever done to the scooter is put a ngk spark plug and change out the oils. just wanted to know what size jets are good at high altitudes this it the carb i orderd www.amazon.com/Carburetor-Assembly-50cc-Stroke-Built-/dp/B005CWSBT8/ref=sr_1_1?ie=UTF8&qid=1374305595&sr=8-1&keywords=gy6+50cc+carburetor so if any one can awnser my ? it would be great. |
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Post by scoots on Jul 20, 2013 23:00:58 GMT -5
for high alt think its thinner air so my guess would be get a pod air filter to suck more air and find ur air to fuel mix screw try to lean it a little good luck  |
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Post by newbscootdude on Jul 22, 2013 22:34:38 GMT -5
id go with a k&N style air filter the uni filters are real popular with a lot of these guys. you definetly need more air coming through that engine. I wouldnt mess with your jets just try to get a bigger less restrictive air filter would be my top priority. GL
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Post by tinman7809 on Jul 23, 2013 3:47:06 GMT -5
Try to find a good deal on a set of jets say 68-73 Main and 30-34 pilot in whatever increments they have and work your way down. I also would say try a good uni pod filter and see how that alone does first.
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Post by scootnwinn on Jul 23, 2013 9:09:19 GMT -5
You basically need to go down one size for every 1000 feet you are above sea level. I generally don't change the pilot jet just the main...
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(need 112)
