Kohler K9J Service Manual page 129

Figure 12-36. Installing Pistons.
3. Orient the notch (on Style "C" piston) or Fly
symbol (Style "D" piston) and match marks
on connecting rod towards the flywheel end of
crankshaft. Gently push the piston/connecting
rod into bore - do not pound on piston.
4. Lubricate the crankshaft and connecting rod
"journal surfaces with engine oil. Install the con-
necting rod cap - make sure the match marks
are aligned and the oil hole is towards the
camshaft. It is important that marks on con-
necting rod and cap line up and face flywheel
end of engine. Refer to Figure 12-37.
Engine Model
Connecting Rod
K91 All
K161
All
K181
Posi-Lock
K181 Capscrew
K241, K301, K321, K341 Posi-Lock
K241, K301, K321, K341
Capscrew
INSTALL OIL PAN
1. Install the gasket, oil pan, and oil drain plug.
12.12
Figure 12-37. Installing Connecting Rod Cap.
5. Torque the capscrew to 20% over the nominal
torque value listed below. Loosen cap screws
to below the nominal value--do not leave
overtorqued. Retorque bolts to the nominal
torque value.
NOTE: To prevent damage to connecting rod and
engine, do not overtorque-loosen-and retorque
the hex nuts on Posi-Lock connecting rods.
Torque nuts, in increments, directly to the speci-
fied value.
6. Rotate the crankshaft until the piston is at top
dead center in bore to protect the dipper on
the connecting rod. If locking tabs are used,
bend tabs to lock cap screws.
New Service Rod Used/Reinstalled Rod
140 in. lb. 140 in. lb.
200 in. lb. 200 in. lb.
140 in. lb. 100 in. lb.
200 in. lb.
200 in. lb.
260 in. lb. 200 in. lb.
285 in. lb. 285 in. lb.
Torque screws and oil drain plug as specified
in "General Information."