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Home >> Suzuki >> 1990 >> Swift GS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.3L 4-CYL - VINS [3,5] & 1.6L 4-CYL - VIN [0] >> Overhaul >> Main Bearing Selection >> Undersize Bearings

Undersize Bearings

  1. Bearings are available in .010" (.25 mm) undersize. Undersized bearings are coded with 2 color marks and are available in 5 thickness variations. See Fig 1 .
  2. Using the finished diameter of the journal and letters stamped on mating surface of cylinder block, refer to COLOR CODE FOR UNDERSIZE BEARINGS chart. Select undersized bearing to be installed. Use Plastigage method to ensure correct clearance of installed undersize bearing.
Fig 1: Undersize Main Bearing Color Marks
G81639Courtesy of SUZUKI OF AMERICA CORP.
COLOR CODE FOR UNDERSIZE BEARINGS

Color Painted Bearing Thickness: In. (mm)
Black & Red .0836-.0837 (2.124-2.128)
Blue & Red .0839-.0840 (2.134-2.137)
Green & Red .0835-.0836 (2.121-2.124)
Red Only .0837-.0838 (2.128-2.131)
Yellow & Red .0838-.0839 (2.131-2.134)
Fig 2: Undersize Bearing Application Chart (Except Swift DOHC)
G90J00348Courtesy of SUZUKI OF AMERICA CORP.
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