Rivera Primo Shovel & Iron Xl Evo Big Twin & Twin Cam Models User Manual

Page 3

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FIGURE 8

FIGURE 9

FIGURE 10

FIGURE 11

FIGURE 12

Remove 2 each 5/16-18 nuts
from the intake manifold that
you previously installed (see
Figure 4). Now install 2 each
5/16-18 x 1-1/4” hex head bolts
(small head) thru the top
intake manifold holes.

Install the supplied carburetor
gasket.

Install the carburetor onto the
intake manifold with 2 each
5/16-18 nuts on the bottom
two bolts.
(SEE FIGURE 8)

Install the throttle
cables onto the carbu-
retor dual rotor &
bracket.

(SEE FIGURE 9)

Level the carburetor
and tighten the intake
manifold flange screws.

(SEE FIGURE 11)

Tighten the carburetor
leveling bracket.

(SEE FIGURE 12)

Install throttle cable
bracket on the carbure-
tor(top) side using 2 each
5/16-18 x 1-1/4” hex head
bolts with 2 each 5/16-18
nuts.
(SEE FIGURE 10)

Tighten the four carb to
intake manifold bolts.

FIGURE 13

FIGURE 13A

Reinstall the carburetor dome & piston. Tighten the 3 screws.
(SEE FIGURE 13 & 13A)

Install the fuel line and tighen.

NOTE: Route the fuel line
away from the heads or any
other heat source.

(SEE FIGURE 14)

Adjust the throttle cables per
the O.E. manual.

FIGURE 15

FIGURE 15A

Install the top end breather fittings. The dual outlet is for
the rear head, the single outlet is for front head.

TWIN CAM ENGINES: 3/8-16 banjo bolt with 1/2” seal washer on
the outside and 3/8” seal washer on the engine side.

EVO ENGINES: 1984-1992 uses 3/8-16 banjo bolt.

1993-up uses 1/2-13 banjo bolt.

NOTE: Leave banjo bolts loose at this time.
(SEE FIGURE 15)

Cut black breather hose and install it onto the top end breathers.
Now tighten the banjo bolts.
(SEE FIGURE 15A)

NOTE: Route breather hose so there are NO KINKS in the hose.

FIGURE 14

Install the rubber grommet
into the air cleaner backing
plate.

(SEE FIGURE 16)

FIGURE 16

SU Instructions 1108-0001_SU Instructions 1108-0001.qxd 10/4/12 10:13 AM Page 3

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