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Distributor Installation

  1. Rotate engine in correct rotation direction until mark on pulley aligns with pointer on front engine cover. This positions front rotor at TDC of compression stroke.
    Fig 1: Positioning Engine At TDC
    G09325900Courtesy of MAZDA MOTORS CORP.
  2. Install socket for trailing distributor through gasket in front cover and position so that groove on upper side of drive shaft is 34° to right side of center line of engine (see Fig 2).
  3. Install socket for leading distributor through gasket in front cover position so that groove on upper side of drive shaft is 17° to right side of center line of engine (see Fig 2).
    Fig 2: Distributor Socket Installation
    G09325901Courtesy of MAZDA MOTORS CORP.
  4. Align identification marks on distributor housing and gear, noting whether it is trailing or leading distributor. Insert distributors into sockets aligning drive shaft end with groove in drive shaft.
    Fig 3: Distributor Rotation Direction
    G09325902Courtesy of MAZDA MOTORS CORP.
  5. With distributors installed, rotate in correct direction (see Fig 3) until contact points just start to open. Tighten distributor lock nut and install distributor caps. Install remaining engine components by reversing removal order.
PORT TIMING

Engine INTAKE EXHAUST
Open (ATDC) Close (ABDC) Open (BBDC) Close (ATDC)
1972-73         
  RX2 & RX3 32° 40° 71° 48.5°