Chain type
Pitch
Picco
3/8" P
Rapid
1/4"
Rapid
3/8"; 0.325" 0.24"
Rapid
0.404"
If groove depth is less than specified:
Replace the guide bar.
N
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.
MS 201, MS 201 C
Cleaning the Air Filter
Minimum
groove
depth
0.20"
If there is a noticeable loss of engine
(5.0 mm)
power
0.16"
(4.0 mm)
(6.0 mm)
0.28"
(7.0 mm)
Turn cap 90° to the left
N
Lift off the shroud
N
Lift off the air filter
N
Wash the filter with STIHL special-
N
purpose cleaner (special
accessories) or a clean, non-
flammable cleaning liquid (e.g.,
warm soapy water) and dry it
Do not clean fleece filters
(depending on version) with a
brush.
Always replace a damaged filter.
Engine Management
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.
English
37