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Undersize Bearings

WARNING: This page is about a different car, the 1989 Suzuki Swift, 1989 Suzuki Sidekick, and 1989 Suzuki Samurai. However, it is still accessible from the selected car via links, so may be relevant.
  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 TABLE  . 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
G90J00348Courtesy of SUZUKI OF AMERICA CORP.
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