Oil Pump Assembly Removal and Installation: Removal

Remove oil pan, oil strainer and oil pan baffle plate.
Remove oil pump sprocket cover (1).

Fig 1: Identifying Oil Pump Sprocket Cover
Courtesy of SUZUKI OF AMERICA CORP.
Slacken tension of oil pump chain according to the following procedure.
1. Raise latch (4) of oil pump chain adjuster (1) in direction of arrow to disengage latch from plunger teeth.
2. Push plunger (2) into oil pump chain adjuster (1) and install retainer (3) (3 mm wire) to hold plunger in place.
  
  Fig 2: Raising Latch Of Oil Pump Chain Adjuster
  Courtesy of SUZUKI OF AMERICA CORP.
Remove oil pump assembly according to the following procedure.
1. Remove oil pump bolts (4).
2. Remove oil pump chain (3) from oil pump sprocket (2).
3. Remove oil pump assembly (1) from lower crank case.
  
  Fig 3: Identifying Oil Pump Assembly, Oil Pump Chain, Oil Pump Sprocket And Bolts
  Courtesy of SUZUKI OF AMERICA CORP.