Belt Drives Ball Bearing Lockup Clutch - Manual (Page 2)

BPP-700 Lock up for Primo belt
drives 1990-2007.
Pressure plate with 42-5/16 “
chromium steel ball bearings.
Place BDL diaphragm over ball
bearings then use Primo retainer,
adjustment screw and bolts and
install assembly onto Primo
clutch basket using procedure
outlined above. Re-adjust clutch
per Primo instructions.
BPP-500 Lock up for HD 1998-2007
BDL pressure plate with 45- 5/16”
chromium steel ball bearings.
Install with stock HD diaphragm,
retainer and bolts and install as per
HD manual. Re-adjust clutch as per
HD manual.
2