P 1
4
/ 1
6
(1) Remove “Air filter, Carburetor, and Intermediate flange” as mentioned in
[2]-10.
(
Figs. 23, 24, 25, and 26
)
(2) Piston set can be separated from Crank shaft by removing Ring spring 8 from Piston with Long-nose pliers. (
Fig. 39
)
Note
: Supply 2-stroke engine oil to Piston and the inside of Cylinder in advance.
Important
: See
Figs. 39
and
40
.
•
Set Piston in place with the arrow marking faced to Muffler side.
•
Face the gap of Piston ring 38 to
Carburetor side
. Make sure that a small projection in Piston groove comes
in the gap of Piston ring 38.
•
Ring spring 8 and Piston pin 8 have to be installed into Piston through Needle cage 810 and Crank shaft from
Guide bar side.
• Be sure to use
New
Gasket (
Fig. 11
) and
New
Crank case sealing.
• When replacing Ball bearing 6201, press-fit the inner ring portion to Crank shaft using the same size pipe
and a block for placing the counterweights without bending.
After the above steps, reverse the disassembling procedure of “DISASSEMBLY of
[2]-11. Tank assembly
.
Arrow marking
on Piston
Piston ring 38
Small projection
in the groove of
Piston
Ring spring 8
Piston pin 8
Piston ring 38
Ring spring 8
Piston pin 8
[Carburetor side]
[Guide bar side]
[Carburetor side]
[Guide bar side]
R
epair
DISASSEMBLING
ASSEMBLING
[2] DISASSEMBLY/ ASSEMBLY
[2]-15. Cylinder, Piston
Fig. 39
Fig. 40
Needle cage 810
Crank shaft
Crank shaft set
Counterweights
Crank case sealing
Crank case underside
5x40 Hexalobular
tapping screw (4 pcs.)
(See
Fig. 25
.)
Bush 6 (4 pcs.)
Piston set
Cylinder
piston set
Needle cage 810
Ball bearing 6201
