BRP EVINRUDE E-TEC E90DSLAA Series User Manual

167
OILING SYSTEM
COMPONENTS
8
2-CYLINDER MODELS
Oil Recirculation System
External hoses and fittings, internal cylin-
der/crankcase passages, and intake manifold pas-
sages are used to recirculate any accumulation of
oil from various locations in the powerhead. The
movement of oil is controlled by check valves.
Cylinder Recirculation
Internal powerhead oil drain passages connect
the intake port areas of the cylinders to circulate
residual oil in the block.
External fittings and in-line check valves on each
side of the cylinder block control the movement of
oil from the lower cylinder port to the upper cylin-
der port.
Crankcase / Main Bearing Recirculation
The movement of oil through the main bearings is
controlled by internal passages, external fittings
and hoses, and check valves.
Lower to upper main bearing oil flow:
• Lower main bearing cavity to internal crankcase
passage to external fitting, external hoses with
in-line check valve to external fitting at upper
main bearing, and into upper main bearing
through internal crankcase passage.
• Internal crankcase passage to external fitting in
crankcase cover at upper main bearing, hose
routed to reed plate fitting. This circuit vents the
upper main bearing cavity to promote oil flow.
Refer to the OIL RECIRCULATION DIAGRAMS
on p. 162.
1. Crankcase oil fittings 006614
1. Cylinder block oil fittings 006615
1
1
1. Upper main bearing vent 002399
1

BRP EVINRUDE E-TEC E90DSLAA Series Specifications

General

Brand	BRP
Model	EVINRUDE E-TEC E90DSLAA Series
Category	Engine
Language	English