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31/CARBURETOR
Checking the throttle slide
21.10
Checking the needle jet
21.11
Checking the float needle valve
21.12
–
Check the throttle slide rollers for damage and wear.
»
If the throttle slide rollers do not turn easily, are worn or have flat areas:
–
Change the throttle slide.
–
Except for throttle slide roller
throttle slide.
»
If the throttle slide rollers are loose:
–
Change the throttle slide.
–
Check the coating of the throttle slide and throttle slide plate
wear.
700055-10
»
If the coating is damaged or worn:
–
Change the throttle slide.
–
Check membrane
ness.
»
If the membrane is damaged or brittle:
–
Change the membrane.
–
Check that membrane
»
If the membrane is not seated properly:
–
Position the membrane correctly.
700056-10
–
Use a new jet needle as a gauge. Apply a marking
step
at a distance of
Specification
Distance
Info
The marking should come off completely when cleaned away.
700053-10
–
Insert the marked jet needle into the needle jet being tested. Push the two pieces
together carefully.
–
Check the needle jet.
»
If marking
–
Change the needle jet.
700054-10
–
Check the float needle valve including the valve seat for deposits or wear.
»
If there are deposits or wear:
–
Clean the valve seat. Clean or change the float needle valve.
Carburetor cleaner (
–
Check the float needle valve for wear and the sealing areas of indentations.
»
If the sealing area is damaged or if there is wear:
–
Change the float needle valve.
700057-10
(removable), all rollers must rest flush against the
of the throttle slide plate for damage, brittleness and tight-
is seated properly.
.
3 mm (0.12 in)
on the jet needle is not visible on top edge
P. 205)
for damage and
on the jet needle above
of the needle jet:
151
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