Pistons And Connecting Rods - BRP E250DHLSCS Service Manual

Lightly coat two new O-rings with Gasket Sealing
Compound, and install on upper crankcase head.
Keep sealer away from oil passage.
1. Oil passage

Pistons and Connecting Rods

It is very important that the pis-
IMPORTANT:
tons in this engine are installed in the correct loca-
tion and direction.
New pistons are stamped "PORT" or "STBD," and
"EXH." These markings should be turned toward
the exhaust side (center) of the block. The splash
bowl on the dome of the piston will be located
toward the flywheel and opposite the exhaust port.
1. Stamped markings
It is also very important that the
IMPORTANT:
connecting rods are installed with the alignment
dots facing up, toward the flywheel.
1
004131
1
004305
POWERHEAD ASSEMBLY
Apply outboard lubricant to the wrist pin bearings.
Install the bearings in the wrist pin bore.
Oil the wrist pin bore and wrist pin. Place connect-
ing rod with bearing into the piston with the align-
ment dots facing the top of the piston.
1. Alignment dots
Install wrist pin through piston and connecting rod.
Use Wrist Pin Cone, P/N 331913, and Driver,
P/N 396747, to install new wrist pin retaining rings
POWERHEAD
3
004306
53628
11
002057
229