Stihl MS 240 Instruction Manual page 85

Check correct installed position.
: Insert the valve in the housing
bore (arrow).
: Use a 6 mm drift to carefully
drive in the new valve from
outside – note installed depth.
: Installed depth of new valve:
a = about 2 - 3 mm
– Reassemble all other parts in the
reverse sequence.
84 MS 240, MS 260, MS 260 C