X-90 (2WD) L4-1591cc 1.6L SOHC MFI (1997)
5. Using feeler gauge, check clearance between sleeve and shifter fork and replace parts if necessary.
Maximum clearance "c": 1.0 mm (0.039 inch)
6. Check each synchronizer key and synchronizer spring and replace as necessary.
Check splined portions and replace parts if excessive wear are found.