POWR Power unit5-45 6C13G116. Install the crankcase onto the cylinderblock.7. Apply engine oil to the threads of thecrankcase bolts, and then tighten them tothe specified torques in two stages and inthe sequence shown.8. Remove the crankcase, and then mea-sure the width of the compressed Plasti-gauge (PG-1) on each main journal.Replace the main bearing if out of speci-fication.Selecting the main bearings1. When replacing the main bearing, selectthe suitable bearing as follows.2. Check the crankshaft journal mark on thecrankshaft 1 and the cylinder block markon the cylinder block 2.3. Select the suitable color a for the mainbearing from the table.T R..Crankcase bolt (M8):1st: 15 N·m (1.5 kgf·m, 11.1 ft·lb)2nd: 30 N·m (3.0 kgf·m, 22.1 ft·lb)Crankcase bolt (M6):1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)2nd: 12 N·m (1.2 kgf·m, 8.9 ft·lb)Crankshaft main journal oilclearance:0.012–0.036 mm(0.0005–0.0014 in)