Installation - Suzuki DF 90 Service Manual

INSTALLATION

Installation is in reverse order of removal with special attention
to the following steps.
Do not re-use gasket once removed. Always use a new
gasket.
1. Insert dowel pins and place cylinder head gasket into posi-
tion on cylinder.
2. Position cylinder head on cylinder.
3. Apply engine oil lightly to cylinder head bolts and tighten
them gradually as follows.
(a) Tighten all bolts to 50 percent (%) of specified torque
according to numerical order in figure.
Cylinder head bolt :
1 st step 10 mm 35 N . m (3.5 kg-m, 25.5 lb.-ft.)
8 mm 12 N . m (1.2 kg-m, 8.5 lb.-ft.)
(b) Loosen all bolts to 0 N . m (0 kg-m, 0 lb.-ft.) according to
reverse order in figure.
(c) Again tighten all bolts to 50 percent (%) of specified
torque according to numerical order in figure.
Cylinder head bolt :
3 rd step 10 mm 35 N . m (3.5 kg-m, 25.5 lb.-ft.)
8 mm 12 N . m (1.2 kg-m, 8.5 lb.-ft.)
(d) Finally tighten all bolts to specified torque according to
numerical order in figure.
Cylinder head bolt :
Final step 10 mm 70 N . m (7.0 kg-m, 50.5 lb.-ft.)
8 mm 23 N . m (2.3 kg-m, 16.5 lb.-ft.)
NOTE:
Use special tool (10 mm deep socket wrench) when tightening
cylinder head bolts.
09919-16010 : Deep socket wrench (10 mm)
4. Apply engine oil around tappets and install them.
5. Install tappet shims.
6. Apply engine oil to surface of each camshaft lobe and jour-
nal, then install them.
POWER UNIT 6-21