Rivera Primo Centri-Force - Brute IV - Manual (Page 2)

Centri-Force™ Installation
For Brute IV or V
Warnings:
1. Wear safety glasses when drilling or tapping.
2. Disconnect battery ground cable when working on the motorcycle primary drive.
3. Rivera recommends having a experienced mechanic perform the necessary machining & mechanical operations.
The Centri Force kit for BRUTE IV (2058-0042) includes:
One 2058-0040 Centri-Force™ Pressure Plate Assembly
Six PP-415 Chrome ¼-20 x ½" Bolts
One PP-416 ¼-20 x ½" Tap
One PP-417 ¼" Transfer Punch
One PP-418 Drill Bit
One PP-220 Friction Disc
Three PP-221-A .047 Steel Drive Plates
Four PP-135 bolts 5/16X18/1” button head allen
Four 2100-0105 lock nuts
The standard clutch pack on the Brute IV has:
One .120 steel drive plate (PP-026)
Six .080 steel drive plates (PP-221)
One .047 steel drive plate (PP-221-A)
Seven friction plates (PP-220-K)
The new clutch pack that will be used with the Centri-Force™ will contain:
Five .080 steel drive plates (PP-221)
Three .047 steel drive plate (PP-221-A)
Eight friction plates (PP-220-K)
The Centri Force kit for BRUTE V (2058-0043) includes:
One 2058-0041 Centri-Force™ Pressure Plate Assembly
Six PP-415 Chrome ¼-20 x ½" Bolts
One PP-416 ¼-20 x ½" Tap
One PP-417 ¼" Transfer Punch
One PP-418 Drill Bit
One PP-220 Friction Disc
One PP-221 .080 Steel Drive Plate
Four PP-135 bolts 5/16X18/1” button head allen
Four 2100-0105 lock nuts
The standard clutch pack on the Brute V has:
One .120 steel drive plate (PP-026)
Five .080 steel drive plates (PP-221)
Three .047 steel drive plate (PP-221-A)
Eight friction plates (PP-220-K)
The new clutch pack that will be used with the Centri-Force™ will contain:
Six .080 steel drive plates (PP-221)
Three .047 steel drive plate (PP-221-A)
Nine friction plates (PP-220-K)
INSTALLATION
To install the Centri-Force™ Pressure Plate on the Primo Brute IV or V Open Belt Drive you must
first remove the clutch basket from the motorcycle. Remove the pressure plate, spring, spring
retainer and all clutch fibers and steels. Remove the small snap ring (See figure 1) and press
out the clutch hub (Brute IV & V). Remove the four long nuts & bolts. Replace them with the sup-
plied PP-135 (5/16X18X1) bolts (4), and the supplied 2100-0105 (5/16-18) lock nuts (4). (See
Figure 2)
Figure 1
2