Kz100st: In Connecticut, ALL gass is 10 to 15% Ethanol, this tends to dissolve some of the cheaper Chinese 'rubber', like diaphrams, hoses and vacuum petcocks. My petcock is located in-line between the fuel tank and the carb.
dwint51; Fuel switches generally go on the fuel line. Mine is located in the fuel line between the tank and carb. No vacuum is required as it is a manual switch.
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2011 Roketa MC-23-150
4T 150cc 157 qmj
24mm carb w 115 main jet and paper cone air filter
Manual petcock w Tygon fuel lines
Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust
RED spring clutch
Adjustable CDI (brand unknown, it's blue and red and works great!)
KOSO high performance variator w 12g sliders
Gates Powerlink 835-20-30 belt
GPS verified 65mph on flats.
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