40
– English
CRANKSHAFT, PISTON AND CYLINDER
B
C
C
Assembly
Assemble the piston and cylinder as follows:
9.
Insert the four bolts (A) and tighten crosswise. Finally
tighten to a torque of 8-10 Nm.
10. Pressure test the crankcase as described on the next page.
Assemble the following parts:
11. Tank unit. See page 36.
12. Ignition system and spark plug. See page 22.
13. Starter. See page 20.
14. Carburettor. See page 31.
15. Muffler. See page 16.
16. Centrifugal clutch. See page 24.
17. Chain and bar. See the Operator's manual.
6.
Fit the crankshaft with piston in the crankcase.
7.
Apply silicone rubber 504 98 26-01 to the contact surfaces
of the crankcase halves.
8.
Press together the piston rings, either by hand or by using
the piston assembly set 502 50 70-01. Carefully slide on
the cylinder.
3.
Oil the needle bearing and fit into the connecting rod little
end.
4.
Fit the piston with the arrow facing towards the exhaust
port. Slide in the gudgeon pin and fit the circlip.
5.
Oil the piston ring and sides of the piston.
2.
Fit the intake manifold (B) on the cylinder. Make sure the
intake manifold is turned as shown in the figure.
NOTE!
Ensure that no dirt or other foreign particles fall into the
dismantled components.
1.
Fit the bearing (C) using a suitable punch.
A
A
A A
Eng 33-44
97-12-03, 16.29
40
