Rivera Primo SU Rebuild User Manual
Page 8

Slide the Tickler Stem with
Viton Cup & Spring into Nut.
Put small amount of lube on
Viton Cup to ease installation.
85
91
86
92
89
95
88
94
87
93
Hand tighten, then tighten with
a 5/8” wrench.
Now install the Piston with slot
facing the Piston Guide.
Install Jet Needle Guide on Jet
Needle as shown.
Completed assembly.
Jet Needle Guide should be
flush with the piston surface.
Install Large Spring over Small
Spring.
Install Jet Needle Ay. with
Guide slot facing Screw.
Install Jet Needle Spring on
blunt end of Jet Needle.
Now insert the Tickler Pump
Assy into Ticlkler Pump Body.
Tighten Jet Needle Retaining
Screw into the Guide slot.
84
90
NOTE: Align the Needle Jet Guide slot with the Needle Jet Retaining Screw (Fig. 90). Adjust the
Main Jet Adjusting screw (Fig. 94) until the Main Jet is flush with the bevel in the seat (Fig.95).
Then turn the Main Jet Adjsuting Screw two turns in or out to fine tune when dialing the carb in
once mounted on a motorcycle.