Document ID 996421
Brock’s Performance 4064 E. Patterson Rd. Dayton, OH 45430 Phone: 937-912-0054 Fax: 937-912-0062
Installation Instructions for Kawasaki ZX-14R (2012) Clutch Mod Kit
This package contains:
(1x) Clutch Mod (#270539)
(6x) Shim Adjustable Spring Top (#901429)
(6x) Clutch Spring Spacers (#902352)
(6x) Heavy Duty (HD) Clutch Spring (#902261)
(6x) Spring Base Washers (#992823)
Special notes:
Please inspect your clutch fully for any signs of wear and/or damage before installation. We recommend the use
of a factory service manual for all Brock’s Performance product installations and/or maintenance. (Assembly is in
EXACT reverse order of disassembly, unless otherwise noted.)
1. Remove clutch cover.
2. Loosen and remove all (6X) clutch springs/tops,
pressure plate, thrust washer, needle bearing,
and clutch pusher. (You will no longer use your
(6X) OEM springs or spring/tops.)
3. Loosen clutch inner hub nut. (A special tool is available to
hold the hub. We use a glove or rag to hold the inner hub
and with your thumb apply pressure to the clutch pack and
remove the nut with a 3/8 impact driver.)
4. Remove the nut and the four springs; the springs are no longer required.
We recommend tie-wrapping the springs together in the order they were
removed for future use if needed. See Fig. 1.
5. Place the clutch mod onto the shaft with the lip facing in toward the engine.
Brock’s logo should be facing outward. See Fig. 2.
6. Replace the nut and torque to 100 ft. lbs. (135Nm.) The glove and 3/8 impact
driver trick works here also.
7. Re-install the pressure plate, thrust washer, needle bearing, and clutch pusher.
8. Install the spring base washers, heavy duty clutch springs, clutch spring spacers
and shim adjustable spring tops. See Fig. 3.
OEM recommended torque specs = 97 inch lbs. (11Nm.) per clutch spring bolt.
9. Replace the cover. Install and torque the bolts to 89 inch lbs. (10Nm.)
#902261 #902352 #902261 #992823
Pg. 1
All Brock’s Performance products are designed for closed-course race track use ONLY!
For more information on Brock’s Performance Warranty and Terms and Conditions:
www.BrocksPerformance.com > About Us > Terms and Conditions
For Questions and Comments:
www.BrocksPerformance.com > Customer Service > Contact Us, or call the Tech Line 937-912-0054
Document ID 996421
Brock’s Performance 4064 E. Patterson Rd. Dayton, OH 45430 Phone: 937-912-0054 Fax: 937-912-0062
Fig. 1
Fig. 3
Fig. 2
#270539
Fig. 4
Shim Reference Chart
47 lb. HD spring = 47 lb. base pressure
.025 = 49 lbs (+2 lbs)
.048 = 51 lbs (+4 lbs)
.062 = 53 lbs (+6 lbs)
.048+.025 > .073 = 54 lbs (+7 lbs)
.048+.048 > .096 = 55 lbs (+8 lbs)
.062+.062 > .125 = 60 lbs (+13 lbs)
.062+.062+.025 > .150 = 63 lbs (+16 lbs)
.180 = 67 lbs (+20 lbs)
.180+.062 > .242 = 75 lbs (+28 lbs)
MAX SHIM with HD spring to stay off of coil bind!
To View Instructional Video: BrocksPerformance.com > Customer Service > Product Information > Installation Instructions
OEM reference: ZX-14R (2012) OEM spring pressure
= 45 lbs x 6 = 270 lbs. (Installed height .875 in.)
Reference: (6x) Brock’s Performance HD Springs (#902261 dark purple dye) with spring tops / base washers installed.
47 lb. x 6 = 282 lbs. (Installed height 1.04 in.)
‘Hot Street’ conguration: 67 lbs x 3 + 47 lbs x 3 = 342 lbs.
We suggest (1X) .180 thick shim on (3X) HD springs
alternating every other spring See Fig. 4.
‘Smokin Street’ conguration: 67 lbs x 6 = 402 lbs.
We suggest (1X) .180 thick shim on (6X) HD springs.
Note: Optional Extra Heavy Duty (EHD) Springs
(#902677 - green dye) are available for extreme
drag racing applications. 82 lb. base pressure.
All Brock’s Performance products are designed for closed-course race track use ONLY!
Pg. 2
For more information on Brock’s Performance Warranty and Terms and Conditions:
www.BrocksPerformance.com > About Us > Terms and Conditions
For Questions and Comments:
www.BrocksPerformance.com > Customer Service > Contact Us, or call the Tech Line 937-912-0054
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