Stihl MS 250 - ANSI B 175.1-2000 chainsaw kickback standard; To comply with section 5.11 of ANSI B 175.1-2000:

16 MS 210, MS 230, MS 250
: Sprocket cover with integrally
molded chain catcher.
If the chain catcher has broken off,
repair as follows:
VA
208RA001
: Remove the chain bumper
strip (1).
: Pry the plug (2) out of the front
right-hand AV element.
VA
2
08RA000
2
1
: Oil the cylindrical part (1) of the
replacement chain catcher.
: Push the chain catcher into the
AV element (2) and engage the
peg (3) in the housing bore (4) at
the same time.
VA
208RA003
1
4
3
2
– Fit the chain bumper strip.
Assemble all other parts in the
reverse sequence.
Troubleshooting chart – b 4.1.
– Remove the clutch drum/chain
sprocket – b 5.1.
– Remove the air filter – b 11.1.
: Take out the shutter.
– Pull boot off the spark plug.
– Unscrew the spark plug.
– Close the decompression valve,
if fitted.
: Push the locking strip (1)
0000 893 5903 into the cylinder.
VA
135RA022
1
5.2 Chain Catcher 5.3 Clutch