Variable Pressure Clutch Installation Instruction
VP Installation
VP 68/84/95 for '98 and later Harley-Davidson Big Twin models
Note: VP Performance Kits and VP Charger Kits ---Requires removing the outer primary cover to change the diaphragm spring. Non-stock derby covers (including any special or '03 anniversary cover) and 3 holes derby covers may require a derby cover spacer. Clutch pull becomes heavier as RPM increases. Will fit models equipped with H-D hydraulic clutch.
1. Turn cable adjuster until there is a large amount of free play at the clutch hand lever. |
2. Remove derby cover. |
3. Loosen lock nut on the clutch adjuster screw. |
4. Adjust clutch adjuster screw. To take up all free play, turn screw inward (clockwise) until gently seated. Activate the clutch lever to verify the balls of Ball & Ramp (in right side transmission) are seated in the ramps. Back out adjuster screw (counterclockwise) 3/4 to 1 turn. Tighten lock nut while holding adjuster screw with an Allen wrench. |
5. Loosen the spring retainer evenly a little at a time using a 10 mm socket wrench. |
6. Pull the spring retainer and remove it. |
7. Bend the 6 base plate tabs slightly outward. |
8. Showing bented base plate. |
9. Install base plate. Starting with widest tab on the base plate insert it inside the diaphragm spring. |
10. Ensure that it is seated all the way in. |
11. Install the VP clutch. if you install it from one of the bottom levers first then it will go in easily. |
12. Use the provided bolts and tighten evenly with a 5 mm Allen wrench. Ensure the diaphragm spring is not out of position and start tightening the bolts. Finally, tighten to a torque of 90-110 in-lbs (10.2-12.4 Nm). |
13. Adjust the clutch cable. Ensure free play of 1/8" or more at the clutch lever pivot between the clutch holder and lever without pulling the cable. |
14. Install derby cover gasket (Parts#AIM003-001) and derby cover. Tighten bolts to 84-108in-lbs (9.5-12.2 Nm). |
Tech Note: You can use 18 mm spark plug socket to tighten lock nu t. |
Tech Note: Adjusting adjuster screw with using 18 mm spark plug socket. |