Owner's Manual

MS 201, MS 201 C
English
37
If groove depth is less than specified:
N Replace the guide bar.
The drive link tangs will otherwise
scrape along the bottom of the groove –
the cutters and tie straps will not ride on
the bar rails.
If there is a noticeable loss of engine
power
N Turn cap 90° to the left
N Lift off the shroud
N Lift off the air filter
N Wash the filter with STIHL special-
purpose cleaner (special
accessories) or a clean, non-
flammable cleaning liquid (e.g.,
warm soapy water) and dry it
Always replace a damaged filter.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
Chain type Pitch Minimum
groove
depth
Picco 3/8" P 0.20"
(5.0 mm)
Rapid 1/4" 0.16"
(4.0 mm)
Rapid 3/8"; 0.325" 0.24"
(6.0 mm)
Rapid 0.404" 0.28"
(7.0 mm)
Cleaning the Air Filter
Do not clean fleece filters
(depending on version) with a
brush.
0011BA014 KN
0011BA015 KN
Engine Management