Rivera Primo SU Rebuild User Manual
SU Eliminator II Rebuild Instructions
Assembly
RS
1 2
Start with a cleaned, disassembled SU body.
3
Install Piston Lift Pin Spring.
6
Install Piston lift Pin from into
top of the body.
4
Install Piston Lift Pin circlip.
7
Left Side
of SU (LS)
Piston Lift Pin Installed.
5
8
Install oring on Idle Speed
Screw..
9
Place oring on Main Jet Adjusting Screw.
562-907-2600
562-907-2606
Place Idle Speed screw in hole
on left side rear.
10
Main Jet Adjusting Screw with
oring installed.
RIVERA PRIMO INC.
12450 WHITTIER BLVD.
WHITTIER, CA 90602
Install Idle Speed screw with
blade type screwdriver.
11
Put Main Jet Adjusting Screw
in hole on RS lower front.
1108-0053
www.riveraprimoinc.com
info1@riveraprimoinc.com
12
13
14
Thread Main Jet Adjusting
Screw in til you see the end.
15
Place open end of seal on
spindle rst.
18
Install Choke Body oring.
16
Choke Body ready for installation.
19
Install spindle into Choke Body
threads rst.
17
Note offset hole in Choke Body
where the gasket locates.
20
Match slot in gasket to locating
hole in Choke Body.
21
Choke Body lined up with
screw holes.
NOTE: Always work in a well ventilated area, away from any open ames or sparks. Be aware of
the Choke Body hole alignment in Figures 17-19. The Choke Body Gasket (gure 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 rst. (See g.
15).
Note offset hole in body lines
up with hole in Choke Body.
22
Install (2) screws to secure
Choke Body.
Now place Choke Body in carb
body.
23
Place dust cap on installed
Choke Body.
24
25
26
Install spring on Choke Body.
27
Line up spring coils close to
Choke Body.
30
Locate spring on Choke Cam
Lever.
28
Choke Cam Lever & spring in
place.
31
Install Choke Cam Lever.
29
Install lock tab.
32
Install nut and tighten.
33
Spray a little WD on Throttle
Shaft prior to installing.
NOTE: Be sure that the Throttle shaft moves freely in the carb body prior to installing the Throttle
Disc.
Bend lock tabs to secure nut.
34
Align Throttle Shaft with Shaft
hole in body.
Choke Cam Lever fully installed.
35
Slide Throttle Shaft through
both shaft holes in body.
Loading...