Service Manual

FUEL SYSTEM 3-33
Fuel Pump, Fuel Filter
The diaphragm in the fuel pump operates by the pulse
generated in the crankcase, and the fuel pump supplies fuel
to the carburetor.
The fuel pump disassembly is not recommended, if any
damage for the pump is noticed replace it with a new one.
Fuel Pump Removal
Remove:
Fuel Tubes [A]
Pulse Tube [B]
Screws [C]
Fuel Pump [D]
Fuel Pump Installation
Connect the fuel tubes [A] and pulse tube [B] fully.
Tighten the fuel pump mounting screws [C].
Fuel Pump Inspection
Check the vent holes
[A] and filter [B] for plugging or clog-
ging.
If vent hole and filter are plugged or clogged, remove the
foreign mat
erial from them.