Rivera Primo SU Sportster KIT 1041-0064 - Manual (Page 6)

Prepare to install the upper carb support (1133-1004).
Tighten the two OE lifter base bolts to secure the lower
carb support.
Use a hex head bolt (1100-0041) & flat washer (1100-
0143) for joining the lower carb support to the upper carb
support.
Place one hex head bolt (1100-0045) into the upper carb
support hole closest to the rounded top. Slide the bolt
through the lower right manifold flange hole closest to the
front head.
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