Oil Recirculation System - BRP E250DHLSCS Service Manual

Additionally, one oil distribution hose is routed to a
tee fitting at the top of the block, above #2 cylin-
der.
1. Rear oil manifold

Oil Recirculation System

External hoses and
der/crankcase passages, and intake manifold
passages are used to recirculate any accumula-
tion 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 lowest point of the intake port area of the cylin-
der block to external thread-in check valves.
External hoses connect these check valves to a
hose fitting pressed into the top of the intake man-
ifold / throttle body. Intake manifold vacuum draws
any accumulation of oil from the intake port area
1
006863
fittings, internal cylin-
of the cylinders into the incoming air stream in
front of the top reed valve.
1
1. Check valves
2
1. Recirculation hose
2. Hose fitting
Check valves pressed into the crankcase below
#4 and #6 reed valve assemblies connect to
OILING SYSTEM
COMPONENTS
004337
1
004336
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