167
OILING SYSTEM
COMPONENTS
8
Cylinder and Crankcase
The p rimary oil distributio n manifold provides
crankcase lub rication th rough o il d istribution
hoses an d p ressed-in fitting s at t he front of the
crankcase, port side.
The rear oil distribution manifold provides lubrica-
tion fo r each cylinder . Each cylind er of the cylin-
der/crankcase h as a pressed -in f itting which is
connected to an oil distribution hose.
Oil Recirculation System
External hoses and fittings, inte rnal cylin-
der/crankcase passages, and intake manifold pas-
sages are used to recirculate any accumulation of
oil from various locations in the po werhead. Th e
movement of oil is controlled by check valves.
Cylinder Recirculation
Internal po werhead oil drain passages connect
the lowest point of the intake port area of the cylin-
der block to external check valves. External hoses
connect these ch eck valves to a h ose fitting
pressed into the top of the intake manifold / throt-
tle body. Intake manifold vacuum draws any accu-
mulation of oil from the int ake port are a of th e
cylinders in to th e in coming air stream in front of
the top reed valve.
1. Pressed-in fitting 008456
1. Cylinder sleeve oil fittings – port 008456
1. Cylinder sleeve oil fittings – stbd 008457
1. Check valves 004337
1. Recirculation hose
2. Hose fitting
004336
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