If your fuel tank is HIGHER elevated than the carburetor, I'd eliminate the vacuum petcock entirely and install this, as I have in every application where the tank is higher than the carb:
http://www.amazon.com/Briggs-Stratto.../dp/B0038U3JKM
Works great, just remember to close it ;P
__________________
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.
|