6-10 CYLINDER, PISTON AND EXHAUST VALVE
CYLINDER REASSEMBLY
• Install the new gasket. Install the dowel pins 1.
• Apply engine oil to the cylinder bore.
• Hold the piston and piston ring, and insert the piston into the
cylinder.
• Tighten the cylinder nuts to the specified torque according to
the specified tightening order as shown.
Cylinder nut: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
• Tighten the nut 2.
• Install the exhaust rod cover and gasket.
CAUTION
If the piston pin end is not at the proper position, you
can not insert the piston into the cylinder properly and
the piston ring will be damaged.
Locate the piston ring end to the locating pin and
insert the piston into the cylinder.
Incorrect
Correct
31
24
CAUTION
Set the pin A, provided with machine, to the lever
before tightening the bolt 2. Tightening the bolt with-
out setting the pin can damage the valve shaft arm
spring.