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the stopper spring (6).
1 .
Release
2. Remove the bolts (1) and stopper plate(3). 5. Removecotter pins (13). and pin (12)
3. Pull the guide bar (14) out.
N. Crankshaft removal
1. Tap the crankshaft with a rubber hammer
loosen
to
it, then lift
2. Crankshaft illustration
3-3.
INSPECTION AND REPAIR
A.Cylinder head cover
on
Place head cover
a surface plate. There
should be no warpage. Correct by re-surfacing
as follows:
#400
or #600 grit wet sandpaper on
Place
surface plate and re-surface head cover using
a figure-eight sanding pattern. Rotate head
cover several times t o avoid removing too
one
much material from
B. Cylinder head
1. Remove spark plugs.
2. Remove valves.
out.
it
3
side.
2 2
4. Remove the neutral detent unit (15-18).
6. Pull out the shift cam (7).
1(L)
1 . Crank
2. Crank 2(R)
2(L)
3.
Crank
4 .
Crank 2 ( R )
5. Woodruff key
6 . Connecting rod
7. Big
end
bearing
8.
washer
Crank pin
9, 10 Crank pin
11.
Crankshim
12. Journal bearing 1
3.
Using a rounded scraper, remove carbon
deposits from combustion chamber. Take
care t o avoid damaging spark plug threads
Do
and valve seats.
instrument. Avoid scratching the alumi-
num.
on
4. Place
a surface plate. There should be
no warpage. Correct b y re-surfacing as
follows:
#600
Place #400 or
on
surface plate and re-surface head using
a figure-eight sanding pattern.
head several times t o avoid removing too
much material from one side.
14. Cam chain sprocket
1 5 . Journal bearing 2
16. Circlip
17.
Primary drive gear
18. Plate washer
19. Drive gear
20.
Dowel pin
21. Oil seal
22.
Spring washer
23.
Nut
2 4 . Key
25. Dowel pin
not use a sharp
grit wet sandpaper
Rotate
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