Honda CH250 Elite 1986 Service Manual page 48

FUEL SYSTEM
Remove the compression spring and the vacuum piston,
DIAPHRAGM
'"''''~'-'b.''' HOLDER
(1
i
VACUUM PISTON
Install the jet needle, spring and needle holder into the vacuum
piston, push the needle holder in and turn it 60°
Push the needle holder and turn it
60°
with an
8
mm socket,
Then remove the needle holder, spring and needle from the
piston.
Inspect the vacuum for wear, or other damage.
Inspect the needle for excessive wear, or other dam-
age,
Check the for and tears.
Install the vacuum piston into the carburetor and
the tab on the with the vacuum passage in the car-
buretor bodV,
Install the compression
(31 VACUUM PA~3St~GE
Install the vacuum chamber cover and tighten it with the two
screws.
NOTE
• Be careful not to move the diaiohraolm.
• If the can not be positiol"led because of
its expansion, dry the before installation.
4-6