2. Install the input and output shaft bearings on the gearbox housing.
3. Install the shift rod so that the fixing holes look down. Install the spring and detent ball. Push the ball in and fully insert the rod.
4. Install the tie rod guide and tighten the bolt with a tightening torque of 30 Nm.
5. Hook the select lever to the shift rod guide and install the shift lever retainer. Tighten the long bolts to 15 Nm and the short bolt to 12 Nm.
6. Install the differential assembly into the clutch housing.
7. Install input and output shafts, 1/2 and 3/4 shift shafts and both shift forks as one assembly.
8. Raise the input shaft and insert the retainer into the select lever. Set shift rod to neutral.
9. Engage retainer with select lever, 1/2 and 3/4 shift shafts. Hook the shift guide to the shift lever.
10. Install the 5th/Reverse shift shaft and insert its pin into the groove on the reverse shift fork.
11. Insert the shift guide shaft so that it fully fits into the hole on the clutch housing. The end of the shaft must not protrude from the retainer by more than 13 mm. Assembly should not be continued until this tolerance has been met.
12. Install the input shaft bearing retainer plate. Tighten the bolts to 28 Nm.
13. Install the idler gear and reverse shaft.
14. Install the reversing light switch with a new washer.
15. Thoroughly clean and dry mating surfaces of gearbox and clutch housing. Install a new gasket on the clutch housing.
16. Switch the box to 3rd gear. Install the gearbox housing, carefully aligning the shafts. The shift guide shaft must sit in a plugged hole in the crankcase. Do not use force during installation.
17. Tighten the bolts to 28 Nm in the correct sequence.
18. Install detent balls, new washers, springs, and retainer bolts. Tighten the bolts to 22 Nm.
19. Establish a gear wheel of 5th transfer of a secondary shaft with the concave side down. Install the spring washer with the concave side towards the 5th gear.
20. Install the gasket and needle bearing on the input shaft.
21. Establish a gear wheel of 5th transfer of an input shaft.
22. Install the synchronizer parts on the input shaft: blocking ring, spring ring, hub and clutch.
23. Insert the 5th shift fork into the synchronizer sleeve and insert the roll pin.
24. Install the spring washer with the concave side towards the synchronizer hub.
25. Install the input shaft holder (tool 079236890101) and switch the box to reverse.
26. Insert locknuts of primary and secondary shafts. Tighten them one by one to a torque of 90 Nm, loosen them, and again "tighten to the specified torque.
The input shaft locknut has a left-hand thread.
27. Clean the mating surfaces of the crankcase and end cover. Install the end cap along with a new gasket. Tighten the bolts to 12 Nm.
28. Install the retaining ring in the axle hole in the crankcase, aligning the tab on the ring with the groove in the crankcase.
29. Lubricate and install new axle seals using drift 07749-0010000 and attachment 07947-6110500.