Yanmar 4BY - Cylinder Head

ENGINE
BY Service Manual
5-19
Cylinder Head
CYLINDER HEAD
Cylinder Head Components
Figure 5-2
1 – Exhaust Camshaft
2 – Intake Camshaft
3 – Hydraulic Rocker Arm Pivot
4 – Valve Keeper (2 used each valve)
5 – Cam Follower
6 – Valve Spring Retainer
7–Valve Spring
8 – Valve Stem Seal
9 – Coolant Temperature Sensor
10–Valve
11 – Cylinder Head Gasket
12 – Head Gasket Identification Holes
13 – Cylinder Head
14 – Cylinder Head Bolt
15–Bolt
(10)
(15)
(14)
(1)
(2)
(3)
(4)
(5)
(4)
(11)
(13)
(6)
(7)
(8)
(9)
0003654
(12)