1965 Evinrude 90 HP StarFlite Service Manual, PN 4206, Page 15Get this manual
DESCRIPTION FUEL FLOW The Starflite 90S fuel system consists of fuel tank, fuel pump, and carburetorThe fuel tank is non-pressurized, suction operatedA diaphragm-displacement type fuel pump on the motor draws fuel from the tank and furnishes it to the carburetor through fuel filterCARBURETOR The carburetor is four-barrel, side-draft type with straight-in manifolds to each cylinderSee Figure 3-1High-speed jets are fixedSeparate low-speed jets for each barrel are linked together for simultaneous adjustmentA separate float bowl and needle valve control fuel to each barrel
LEAF VALVES
THROTTLE
LEAF STOP