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Mikuni DF-44 Vacuum Fuel Pump

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Availability: In stock


SKU# DF44-211-D

Mikuni DF44 Vacuum Fuel Pump is a upgraded replacement for any small motorbike or vehicle. This is a fantastic upgrade for any vehicle like the GY6 150cc or even stock Ruckus.



Mikuni Vacuum pump will work on both two-stroke and four-stroke engines. This universal fuel pump is a common choice for Ruckus engine swaps. Not only are these a much more affordable replacement than stock fuel pumps, but it also is easily rebuildable. This only requires a few gaskets and o-rings that need to be replaced. The way this works is it uses the crankcase of the engine pressure to pump fuel from the tank directly into the carburetor. However, this may lead to excessive fuel so it is recommended to divert excess fuel from the carburetor back into the fuel tank. Be sure to run the fuel line higher than float bowl or with a check valve to prevent backflow.

Additional Info

Additional Info



  • Honda Ruckus
  • Honda Metropolitan
  • Many other Scooter with 1/4" Fuel Line Size
  • Rated up to 20HP

**For two-stroke engine, Drowsports recommend tapping into the engine case under the intake reeds for a vacuum source.


Brand Mikuni


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