Rivera Primo SU Rebuild User Manual
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Thread Main Jet Adjusting
Screw in til you see the end.
Place open end of seal on
spindle first.
Note offset hole in body lines
up with hole in Choke Body.
Install (2) screws to secure
Choke Body.
Note offset hole in Choke Body
where the gasket locates.
Now place Choke Body in carb
body.
Place dust cap on installed
Choke Body.
Install Choke Body oring.
Choke Body ready for installa-
tion.
Match slot in gasket to locating
hole in Choke Body.
Choke Body lined up with
screw holes.
Install spindle into Choke Body
threads first.
NOTE: Always work in a well ventilated area, away from any open flames or sparks. Be aware of
the Choke Body hole alignment in Figures 17-19. The Choke Body Gasket (figure 18) has a notch
cut in it which must be aligned with the hole in the Choke Body bracket. Choke body seal has an
open end and a beveled end. The open end should go on the choke body spindle first. (See fig.
15).