Rivera Primo Shovel & Iron Xl Evo Big Twin & Twin Cam Models - Manual (Page 2)

BEFORE BEGINNING THE INSTALLATION:
Disconnect the BATTERY.
Drain & then remove GAS Tank per O.E. manual.
This step requires that there be no heat source or sparks in the vicinity.
Remove CARBURETOR & INTAKE MANIFOLD per O.E. manual.
TWIN CAM ENGINES: Reuse MAP SENSOR / SEAL & SCREW from O.E. intake manifold.
FIGURE 1
FIGURE 2
FIGURE 3
FIGURE 3A
For TWIN CAM ENGINES drill a 3/16”
hole thru the center of the MAP
SENSOR boss breaking thru the
manifold wall (only perform this
operation with the manifold off the
bike).
NOTE: Remove all burrs & aluminum
chips.
(SEE FIGURE 1)
On TWIN CAMS install MAP
SENSOR / SEAL & SCREW.
NOTE: Replace MAP SESOR SEAL
if torn or cracked.
(SEE FIGURE 2)
On TWIN CAM ENGINES install sup-
port bracket on tappet blocks.
Mount this bracket on the inside
rear tappet block screws.
(SEE FIGURE 3 & 3A)
2
Install 2 each 5/16-18 x 1-
1/4” hex head bolts with 2
each 5/16” lockwashers and
leveling bracket on the bot-
tom right bolt of the mani-
fold.
Install 2 each 5/16-18 nuts
and leave loose at this time.
(SEE FIGURE 4)
FIGURE 4
FIGURE 5
Install flanges and seals on the
intake manifold.
NOTE: Flanges are marked front
& rear.
Install intake manifold with 2
each 5/16-18 x 1” socket head
cap screws on cam cover side
and 2 each 5/16-18 x 3/4”
12 point screws on the primary
side. NOTE: Leave screws loose
at this time.
TWIN CAM ENGINES: Reinstall
MAP SENSOR ELECTRICAL
PLUG.
(SEE FIGURE 5)
TWIN CAM ENGINES: Install
carburetor leveling bracket to
support bracket with 1 each
5/16-18 x 3/4” hex head bolt with
5/16” flatwasher thru leveling
bracket and support bracket
with 5/16” lockwasher and 5/16-
18 nut on back side of support
bracket.
EVO ENGINES: The leveling
bracket bolts to the case bolt
between the cylinders.
NOTE: Leave screws loose at
this time.
(SEE FIGURE 6)
Remove dome and piston from
the carburetor.
NOTE: Be extra careful to not
drop any foreign matter into
the carburetor body with the
dome off.
(SEE FIGURE 7)
FIGURE 7
FIGURE 6
SU Instructions 1108-0001_SU Instructions 1108-0001.qxd 10/4/12 10:13 AM Page 2