49CC HUASHENG CARB FOR BOTTOM TANK GAS FEED
NOT FOR HUASHENG 53cc Top tank feed.
This Carburetor is for Huasheng 49cc engines with fuel tank at the bottom of the engine.
This carb is suitable for LOWER POSITION tanks that are not GRAVITY FEED top tanks.
See example picture of engine application.
A diaphragm bubble is used to PRIME gas in an upward pull.