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7. Check that the locking cap is still adjusted to its leanest position. (Turned clockwise to
stop.)
8. Gently knock the locking cap into position. Use a 5 mm (0.2 inch) mandrel. Turn the L-
needle to the richest position. (Turned counterclockwise to stop.)
9. Adjust the locking cap to the richest position without turning the needle. (Turned
counterclockwise to stop.)
10.Start the engine.
11. Use a narrow blade screwdriver, inserted through the hole in the locking cap until it
reaches the slot in the needle (max. blade width 2 mm, 0.08 inch) to adjust the H
needle to give maximum revs, then turn it counterclockwise so that the engine speed
drops by 500 rpm.
12.Run the engine warm at full throttle for 2-3 minutes.
13.Check the idle speed and acceleration.
14.Adjust the H-needle to give maximum revs, then turn it counterclockwise so that the
engine speed drops by 500 rpm.
15.Check that the locking cap is still adjusted to its richest setting. (Turned
counterclockwise to stop.)
16.Gently knock the locking cap into position. Use a 5 mm (0.2 inch) mandrel.
This is a basic carburettor adjustment. Further fine adjustments, within the limits the
locking cap allows, may be necessary to achieve optimum performance. See the
Operator’s manual.
English Page 4/4
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com