Yanmar 4BY2 - Component Identification; Left Side (as Viewed from Flywheel) - 4 BY2; Right Side (as Viewed from Flywheel) - 4 BY2

COMPONENT IDENTIFICATION
Figure 1, Figure 2 and Figure 3 illustrate a
typical version of a 4BY2 engine. Your
engine may have different equipment from
that illustrated.
Left Side (as viewed from
flywheel) - 4BY2
0006557
(1)
(2)
(3)
Figure 1
1 – Engine Oil Dipstick
2 – E-Box Panel
3 – High Pressure Fuel Pump
Right Side (as viewed from
flywheel) - 4BY2
0006559
(4)
(1)
(5)
(9)
(8)
(7)
(6)
(2)
(3)
Figure 2
1 – Zinc Anode
2 – Zinc Anode
3 – Exhaust / Water Mixing Elbow
4 – Coolant Drain Cock
5 – Heat Exchanger
6 – Seawater Pump
7 – Seawater Drain Cock
8 – Hydraulic Oil Cooler
9 – Coolant Drain Plug
PRODUCT OVERVIEW
BY Series Operation Manual 11
© 2008 Yanmar Marine International