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Repair Instructions
7.21 Replacing the tank ventilation valve
Pull out the tank ventilation valve with fluted flat
nose pliers. See figure 58.
Carefully fit the new tank ventilation valve with a
suitable sleeve.
7.22 Dismantling the piston and cylinder
1
Dismantle:
•
cylinder cover
•
carburetor (see "Dismantling the carburetor")
•
muffler
•
spark plug cap and spark plug
•
hand guard
•
intake system
2
Undo the vibration element/vibration damper
spring from the front handle. See figure 59.
3
Unscrew the cylinder's four screws. See figure 60.
Carefully lift away the cylinder and gasket.
4
Cover over the crankcase opening.
5
Remove the circlips for the gudgeon pin and press
out the gudgeon pin. Then lift off the piston. See
figure 61.
6
Remove the gudgeon pin bearing (needle bearing).
See figure 61.
NOTE!
Take care to prevent any dirt or foreign
particles from entering the crankcase.
47 –
English
Fig 58
Fig 59
Fig 60
Fig 61
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