2004-2009 Suzuki LT-Z250 Service Manual, Page 134Get this manual
DRIVE TRAIN
Install the final gear case cover and tighten its bolts to the specified torque in crisscross pattern(!4-15) NOTE:It is not necessary to install the O-ring to the final gear case cover at this time Do not apply THREAD LOCK SUPER to the final gase cover bolts at this time Final gear case cover bolt: 26 Nm (2.6 kgf-m, 19.0 lb-ft) Remove the final gear case cover(!4-4) Measure the thickness of compressed solder with the micrometer" 09900-20205: Micrometer
Select the proper size of shim from the right chart, according as the compressed solder thicknessAfter selecting the proper size of shim, install it on the ring gear back side