Chapter 5 – Fuel feed system
Service manual AJP PR3/PR4 5 - 15
Install the float assembly into the carburetor,
then entering the respective axis / pin.
Measure the level of the float with the
carburetor in the position shown in the picture,
and make sure that the level of the float is
14mm.
Install the air screw already with the spring,
the washer and the respective O-ring and
tighten the screw until it touches the end of
the stroke, but without forcing to avoid
damaging.
Use a permanent marker pen to mark the
reference position of the air screw all tight,
and then turn the screw counter-clockwise
unscrewing it the turns needed to obtain the
correct adjustment, referring to the table of
specifications for carburetors.
In the pump cover, install the components of
"power jet" into the correct position. First the
spring, the sphere and then finally the injector.
In the carburetor float chamber, assemble the
diaphragm followed by respective spring.
