Engine Lubrication System - Suzuki DF 25 Service Manual

7-62 POWER UNIT

ENGINE LUBRICATION SYSTEM

Acamshaft driven trochoid type pump provides engine oil to all power unit components requiring lubrication.
Oil form the oil pan is drawn theough the oil strainer and passed through a spin-on type oil filter before
entering the main oil gallery.
A pressure regulator (relief valve) is positioned between the oil pump and oil filter maintaion oil pressure at a
constant level.
From the main gallery, oil flow is deirected through either drilled internal passage or by splash method to
those surface requiring lubrication.
ENGINE OIL LUBRICATION CHART
No.1 CYLINDER
WALL
No.1 PISTON
No.2 CYLINDER
WALL
No.2 PISTON
No.3 CYLINDER
WALL
No.3 PISTON
No.1 CRANKSHAFT
MAIN JOURNAL
No.1 CRANK PIN
No.2 CRANKSHAFT
MAIN JOURNAL
No.2 CRANK PIN
No.3 CRANKSHAFT
MAIN JOURNAL
No.3 CRANK PIN
INTAKE VALVE END
ROCKER ARM
ROCKER ARM SHAFT
No.4 CAMSHAFT JOURNAL
OIL JET
No.4 CRANKSHAFT
MAIN JOURNAL
OIL FILTER
OIL PUMP
OIL STRAINER
OIL PAN
CAMSHAFT
No.3,2,1, CAM-
SHAFT JOURNAL
TIMING CHAIN TENSIONER
PRESSURE
REGULATOR