Main Bearing Housing Inner Diameter

Install lower cylinder block without main bearings installed, and tighten lower cylinder block bolts to the specified torque. Refer to [ENGINE UNIT: DISASSEMBLY AND ASSEMBLY ] for the tightening procedure.

Fig 1: Identifying Main Bearing Housing Inner Diameter
Courtesy of SUZUKI OF AMERICA CORP.
Measure the inner diameter of main bearing housing with a bore gauge.
Standard: 58.944 - 58.968 mm (2.3206 - 2.3216 in)
If out of the standard, replace cylinder block and lower cylinder block assembly.
NOTE: Cylinder block cannot be replaced as a single part, because it is machined together with lower cylinder block.