Jonsered CS 2166 Workshop Manual page 35

Adjustment of the H-needle.
1. Turn the H-screw counterclockwise to stop using a
common, flat carburettor screwdriver.
2. Press in the locking sleeve on the H-screw using the
special screw driver with splines.
1
3
CARBURETTOR
12 500 rpm
3. While keep pressing the screwdriver, adjust the
H-screw until the maximum engine speed at full throt
tle is 12 500 rpm.
4. While keep pressing the screwdriver, turn the
H-screw half a turn (RWJ4 + AM50 = 0,8 turn) clock
wise.
2
530 03 55-60
4
-0,5
(RWJ4 + AM50 = -0,8)
584 92 94-01
English – 35