Rivera Primo SU Sportster KIT 1041-0064 - Manual (Page 12)

Hand tread the breather bolt into the front head breather
bolt hole. Do not tighten yet.
Secure the dome to the body with the three slotted
screws.
Its now time to install the breather assembly. Place one
end of the breather hose (1099-0001) onto a single outlet
breather fitting (1133-1009). Using a breather bolt (1042-
0022), install one breather bolt washer (1094-0012) and
then slide bolt into a single outlet breather fitting (1133-
1009). Install one more breather bolt washer onto the
breather bolt.
Now check the piston to insure that it is able to move
freely up and back into ‘parked’ position.
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