| 摘要 |
IN ORDER TO EFFEECTIVELY DISCHARGE VAPOR GENERATED WITHIN A FUEL FEEDING PATH (31) BETWEEN A FUEL PUMP AND A FUEL INJECTION VALVE (J) INTO A FUEL TANK (T) THROUGH A PRESSURE REGULATOR (R) AND CONTINUOUSLY FEED THE FUEL EXACTLY TOWARD THE ENGINE FROM A FUEL INJECTION VALVE (J), A FUEL INJECTION APPARATUS FOR A MOTORCYCLE HAVING A SMALL DISPLACEMENT VOLUME IS STRUCTURED SUCH THAT A PLUNGER PUMP (P) IS USED AS A FUEL PUMP, THE PLUNGER PUMP IS LOCATED CLOSE TO THE FUEL TANK (T) LOCATED IN A POSITION ABOVE THE ENGINE (E), A DISCHARGE PATH (7) OF THE PLUNGER PUMP COMMUNICATES WITH THE FUEL INJECTION VALVE (J) LOCATED IN A LOWER POSITION IN THE VICINITY OF THE ENGINE (E) THROUGH A FUEL FEEDING PATH (31), A PRESSURE REGULATOR (R) IS LOCATED IN A POSITION ABOVE THE FUEL INJECTION VALVE (J) AND IN THE VICINITY OF THE PLUNGER PUMP, AN INFLOW PATH (2F) OF THE PRESSURE REGULATOR (R) IS CONNECTED TO A DISCHARGE PATH (7) OF THE PLUNGER PUMP, AND THE OUTFLOW PATH (24) IS CONNECTED TO THE FUEL TANK (T) THROUGH THE RETURN FUEL PATH (33).
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