Disassembly & Reassembly

Remove attaching bolts and separate governor from oil distributor. See Fig 1 . Mazda WIN4A-EL does not use a governor on oil distributor. Remove secondary valve retainer plate. Remove secondary valve and spring. Remove primary valve retainer plate. Remove primary spring and valve. Remove remaining retainer plate. To reassemble, reverse disassembly procedure.

Fig 1: Exploded View Of Governor Assembly

Courtesy of MAZDA MOTORS CORP.