Suzuki RM-Z450 Owner's Service Manual page 173

10-14 TRANSMISSION AND CRANKSHAFT
• Install the gearshift forks 3, 4.
• Install the gearshift cam 5 and gearshift shaft 6.
NOTE:
Turn the gearshift cam to the neutral position and confirm that
the driveshaft and countershaft turn without resistance.
• Install the oil strainer (No.2) 7.