Special Tools Required
Install 1st gear, 2nd gear, 3rd gear, the 33.2 x 40 x 26 mm collar, the 29 mm cotters, and the 33 x 45 x 7.8 mm collar on the countershaft, and secure them with the snap ring.
Install the needle bearings and the 4th-5th gear.
Slide the reverse selector hub (A) over the countershaft (B), then press it in place using the driver handle (40 mm I.D.) and a press.
NOTE: Some reverse selector hubs are not press-fitted, and can be installed without using the a press.

Engine Oil/Air Separator Installation
Remove all of the old liquid gasket from the oil/air separator mating
surfaces, the bolts, and the bolt holes.
Clean and dry the oil/air separator mating surfaces.
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A/T Clutch Pressure Control Solenoid Valve B and C Replacement (A/T)
Remove the air cleaner assembly.
Remove the breather hose (A) from its clamp (B), and remove the breather
hose clamp bracket (C).
Disconnect the connectors (A) ...