Husqvarna 281 XP - To adjust the high speed needle (H); To replace a broken or worn starter rope

3. Turn the idle speed screw counterclockwise until the
saw chain stops.
Note: The idle speed is correctly adjusted when the
engine runs correctly in all positions. The idle speed
must also be safely below the speed at which the saw
chain starts to rotate.
WARNING: If the saw chain does not
stop when you turn the idle speed screw,
speak to your servicing dealer. Do not use
the product until it is correctly adjusted.
To adjust the high speed needle (H)
CAUTION: To make sure that the
adjustment is correct, speak to your
servicing dealer who has access to a
tachometer. Do not override the
recommended maximum idle speed.
1. Start the product.
2. Operate the product at full throttle for approximately
10 seconds.
3. Turn the high speed needle (H) ¼ counterclockwise.
4. Operate the product at full throttle for approximately
10 seconds again and listen to the difference in the
idle speed.
5. Turn the high speed needle (H) ¼ counterclockwise.
6. Operate the product at full throttle for approximately
10 seconds again and listen to the difference in the
idle speed.
Note:
You have operated the product at
adjustments of H=±0, H=+¼, H=+½ from the basic
adjustments. The engine has a different sound for
each adjustment.
7. Turn the high speed needle (H) clockwise until the
adjustments is correct and the product has the
correct sound.
H
Note:
The high speed needle (H) is correctly
adjusted when the product 4-cycles a little at full
throttle. If the product "screams" the product is set
too lean, which can cause damage to the engine.
The product is set too rich if the product 4-cycles and
ejects smoke.
To examine if the carburetor is correctly
adjusted
• Make sure that the product has the correct
acceleration capacity.
• Make sure that the product 4-cycles a little at full
throttle.
• Make sure that the saw chain does not rotate at idle
speed.
• If the product is not easy to start or has less
acceleration capacity, adjust the low and high speed
needles.
CAUTION: Incorrect adjustments
can cause damage to the engine.
To replace a broken or worn starter
rope
1. Loosen the screws to the starter housing
2. Remove the starter housing.
3. Pull out the starter rope approximately 30 cm/12 in
and put it in the notch on the pulley.
4. Let the pulley rotate slowly rearward to release the
recoil spring.
5. Remove the center screw and remove the pulley.
WARNING:
You must be careful
when you replace the return spring or
the starter rope. The recoil spring is in
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