Rivera Primo 4 to 6-SPD Conversion Kit - Manual (Page 3)

STEP 9
Re-install the rear belt or drive chain. If you are retaining the rear drive chain, replace the belt pulley on the trans with a
chain sprocket having a 1/4” offset. Use optional 23-tooth chain sprocket part # 1223-0021 or 24-tooth part # 1223-0022.
Install either one along with the lock plate, using loctite on the four fasteners. Remember, that the mainshaft nut has a
left-hand thread.
STEP 10
Install the 2 aluminum .500” O.D. spacers to the adapter plate
(make certain that the “turned-down end” of each spacer faces
the transmission).
Square the end of the spacers to the adapter plate using the
(2) 1/4-20 x 1.000” socket head cap screws and torque each
of them to 12 FOOT POUNDS.
STEP 11
Install the aluminum adapter plate with spacers onto the
transmission using (2) 1/4-20 x 1.000” socket head cap
screws.
Torque these to 12 FOOT POUNDS.
(Note that the top hole on the adapter plate is used to bolt the
adapter plate to the motor plate)
STEP 12
Install the Brute IV Extreme TM motor plate per the instructions provided with the belt drive. Make certain you remove
the locating pins on the motor plate before installation. Torque the mounting bolts to 29 FOOT POUNDS.
STEP 13
Install the Monster Torque TM starter motor with (2) 5/16-18 x 2” SHCS provided. Note that some modifications may have
to be done to the rear fender for proper starter fitment.
STEP 14
The oil tank and battery box must be trimmed at this time so that they’ll clear the starter motor.
Use the template supplied. Place the template between the mounts on the oil tank and battery box. Trim away any
excess material extending beyond the template.
STEP 15
Re-install the oil tank and the battery box.
MUST BE CUT EXACTLY
TO TEMPLATE
NOTE: Step 4, 10 & 11 will only be done when the
installation is on a swing-arm frame.