Installation Of Cylinder Head; Cylinder Head Bolts (M8); Cylinder Head Bolts (M6) - TOHATSU MFS 9.9 Owner's Manual

25) Installation of Cylinder Head

No.1 piston is to be at top dead center of
compression stroke.
1. After installing cam shaft pulley, bring "●1" mark of pulley 1
to "▲" mark b of cylinder head.
Check that "●" mark c of belt guide and "●" mark d of
2.
cylinder block are aligned with each other.
No.1 piston is to be at top dead center.
3. Before installing cylinder head, fill oil passages and oil pump
again with oil as shown.
4. Install cylinder head with new gasket, and tighten bolts in the
order shown in two steps to specified torque.
· Do not reuse cylinder head gasket. Be
sure to replace with new one.
· Do not turn timing pulley or cam shaft
pulley with timing belt removed. Doing so
can make pistons and valves interfere
with each other, possibly resulting in
damages to these parts.
· First, tighten M8 bolts in two steps to specified
torque.
· Then, tighten M6 bolts in two steps to
specified torque.
· After installing cylinder head, install timing belt
and check valve clearance. Refer to "Chapter
5 Checking Valve Clearance".

Cylinder head bolts (M8)

First Tightening Torque : 10 N · m (7 lb · ft) [1.0 kgf · m]
Second Tightening Torque : 30 N · m (22 lb · ft) [3.0 kgf · m]

Cylinder head bolts (M6)

First Tightening Torque : 6 N · m (4 lb · ft) [0.6 kgf · m]
Second Tightening Torque : 10N · m (7 lb · ft) [1.0 kgf · m]
4st 9.9/15/20 2008
CAUTION
1 to 6
7 to 9
2
2
b
2mL
4st
4st OIL
5
8
7
4
9
1
a
d
c
5
6
2
3
5-41