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Author Topic: Main Jet Measurements  (Read 1133 times)

Kenho21

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Main Jet Measurements
« on: July 27, 2011, 02:56:51 AM »
Does anyone have any idea as to what the numbers on main jets for 139qmb carbs correlate with? Is it millimeters, so #85 would be .85mm and so on? Whats the deal folks?
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2009 Kymco Agility 50- 72cc Airsal kit, Uni Free-Flow Air Filter, Main Jet 120, 1500 Contra Spring, 6g Rollers, Malossi Multivar Variator, NCY Exhaust, NCY 80cc Camshaft, Cut CDI, Smooth Boss Drive, MRP Ignition Coil

hungryrussian

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Re: Main Jet Measurements
« Reply #1 on: July 27, 2011, 03:40:46 AM »
yes that is correct a 105 jet = 1.05mm whereas an 85 jet = 0.85mm as you said
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'08 Agility 50, 72cc BBK, Naraku HS High Speed Variator, some clutch tweaking, UNI filter with homemade cold air setup, Leo Vince Handmade Titan exhaust, lots of random upgrades i'll never be able to remember.. the look on people's faces when i put a knee down through a curve makes it all worthwhile

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