Kohler Courage SV710-740 Service Manual page 123

1. Lubricate the flywheel side main bearing surface
and the lips of the oil seal in the crankcase with
clean engine oil.
2. Carefully slide the flywheel end of the crankshaft
through the main bearing in the crankcase. See
Figure 10-7.
NOTE: The cylinders are numbered on the crankcase.
Make sure to install the piston, connecting
rod, and end cap into its appropriate
cylinder bore as previously marked during
disassembly. Do not mix the end caps and
connecting rods.
NOTE: Proper orientation of the piston/connecting
rod assemblies inside the engine is extremely
important. Improper orientation can cause
extensive wear or damage. Be certain the
pistons and connecting rods are assembled
exactly as shown in Figure 10-8.
1. Stagger the piston rings in the grooves until the
end gaps are 120° apart. The oil ring rails should
also be staggered.
2. Lubricate the cylinder bore, piston, and piston
rings with engine oil. Compress the rings using a
piston ring compressor.
3. Lubricate the crankshaft journals and connecting
rod bearing surfaces with engine oil.