User Manual

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This carb is typically found on 50cc to 65cc engines.
Now let's talk about the pulse signal for the fuel pump...
Your ENGINE will determine which pulse inlet type you need! If the engine "carb base" has a hole drilled into
the crankcase you will use the STANDARD pulse port and the optional (if you have it) port must be closed
off. If there's no hole drilled, you will find a fitting located somewhere on your crankcase. Use a piece of fuel
line to connect the crankcase fitting to the fitting on the optional pulse inlet. There's no need to block off the
standard port, as it's already blocked off by the engine mounting.
The carb must get a pulse signal from the engine! This signal "pushes and pulls" on the pump diaphragm
which feeds the carb fuel.