Stihl MS 210 Service Manual page 63

11.2.4 Adjusting
(Carburetor with
Limiter Cap)
Standard setting
Do not remove the limiter cap to
carry out the standard setting.
– With this carburetor it is only
possible to correct the setting of
the high speed screw (H) within
fine limits.
Make the following adjustments:
– Turn high speed screw (H)
counter-clockwise (max. 3/4 turn)
as far as stop.
– Screw low speed screw (L) down
onto its seat clockwise, then open
it one full turn from that position.
62
Adjusting engine idle speed
– Check the air filter and clean or
replace as necessary.
– Check chain tension.
– Warm up the engine.
Adjust idle speed with a tachometer.
Adjust specified engine speeds
within tolerance of +/- 200 rpm.
1. Adjust engine speed with idle
speed screw (LA) to 3,300 rpm.
2. Turn low speed screw (L)
clockwise or counterclockwise
to obtain maximum engine
speed.
If this speed is higher than
3,700 rpm, abort the procedure and
start again with step 1.
3. Use the idle speed screw (LA)
to set engine speed again to
3,300 rpm.
4. Set the engine speed to
2,800 rpm with the low speed
screw (L).
11.2.5 Standard Setting
(Carburetor with
Limiter Cap)
The limiter cap needs to be
removed from the high speed screw
(H) only if it is necessary to replace
the high speed screw (H) or clean
the carburetor.
After removing the limiter cap it is
necessary to carry out the standard
setting.
1
: Use suitable pliers to pull off the
limiter cap (1).
– Carefully screw down both
adjusting screws (H and L)
clockwise until they are against
their seats.
Then make the following
adjustments:
MS 210, MS 230, MS 250