Rivera Primo Brute III Extreme - Manual (Page 2)

NOTE: Replace the OEM hex-head bolt (Dyna Glide only) with the
button-head Allen bolt provided in the kit. TORQUE THE BUTTON-
HEAD BOLT TO 29 FOOT POUNDS.
This inner primary (Early
Evo) has had a tab removed
to allow belt clearance in
the area indicated. Most in-
stallations require some
grinding on the inner and
outer primarys.
Install front pulley (together with
front inside guide plate) & rear
pulleys without the belt & check
alignment as shown(straight
edge flush with rear of ring-gear
lines-up with outer edge of front
pulley) remove pulleys and pro-
ceed with installation. If align-
ment isn’t satisfactory see photo
8. The provided .100” washer can
be used to space the front pulley
outward as needed.
After ensuring proper pul-
ley alignment, again check
the areas indicated in the
photo for belt and/or pul-
ley clearance. Always
check rear-pulley and belt
clearance here before op-
erating the motorcycle.
5
5A
Check pulley alignment with a straight-edge
Check primary belt clearance here Check for proper belt clearance
Install Allen head bolt
4
Apply a thin coat of the special
Primo grease supplied in the kit
to the splines of the transmis-
sion main-shaft to act as both a
corrosion inhibitor, & lubricant.
The grease also acts as a cush-
ion for the splines on the trans-
mission main-shaft during
operation.
5B
Apply grease to the main-shaft splines
Install the rear pulley (clutch bas-
ket) & belt. Apply Rivera blue
thread lock to the main-shaft
threads as shown. INSTALL THE
CLUTCH HUB NUT & TIGHTEN
TO 70-80 FOOT POUNDS OF
TORQUE. (The center adjustment
screw with o-ring will prevent
transmission oil from leaking thru
the main-shaft into the clutch
pack).
Install rear pulley & belt.
A .100” washer may be
needed behind the front pul-
ley on some Dyna-Glide &
Softail applications.
7 Install washer as needed.
3
Install front pulley, washer & inner/outer
guides. Use 1-2 drops of blue thread-lock
on the threads of the motor shaft. IN-
STALL & TIGHTEN NUT TO FACTORY
SPECS (150-165 FOOT POUNDS) using a
quality torque wrench.
8 Use thread-lock here.
Shims are manufactured from high quality steel, precision
ground for parallel & flat surfaces to ensure perfect pulley
alignment. Correct pulley alignment & correct belt tracking
are a must for long belt life. These shims make pulley align-
ment easy. Shims are available in .020", .030", .050", .075" &
.100” thick dimensions, or sets of "one-of-each.”
Optional pulley shims,
PART # PX-1
Includes one of each
.020”, .030”, .040”,
.050” and .100”
www.riveraprimoinc.com
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