Power Unit - SELVA MARINE Wahoo 15 Service Manual

Power unit

Item
Power unit
Minimum compression
(*1)
pressure
(*2)
Oil pressure
Cylinder head
Warpage limit
(lines indicate straightedge
position)
Cylinder head journal inside
diameter (A)
Cylinder head journal inside
diameter (B)
A
B
Camshaft
Intake (A)
Exhaust (A)
Intake and
exhaust (B)
Camshaft journal diameter (C)
Camshaft journal diameter (D)
C
D
Camshaft runout limit
(*1)
Measuring conditions:
Ambient temperature 20 °C (68 °F), wide open throttle, with spark plugs removed from all cylinders.
The figures are for reference only.
(*2)
For details of the checking method, see "Checking the oil pressure" (5-1).
The figures are for reference only.
6AG3J11
Unit
15E
kPa
2
(kgf/cm , psi)
kPa 400 (4.0, 58.0) at engine idle speed
2
(kgf/cm , psi)
mm (in)
mm (in) 22.000–22.021 (0.8661–0.8670)
mm (in) 34.000–34.025 (1.3386–1.3396)
mm (in) 28.546–28.646 (1.1239–1.1278)
mm (in) 28.582–28.682 (1.1253–1.1292)
mm (in)
mm (in) 21.967–21.980 (0.8648–0.8654)
mm (in) 33.935–33.955 (1.3360–1.3368)
mm (in)
Maintenance specification
Model
20E
860 (8.6, 124.7)
0.10 (0.0039)
23.95–24.05 (0.9429–0.9468)
0.03 (0.0012)
2
20ET
1
2
3
4
5
6
7
8
9
2-16