Ignition System - Husqvarna 522HS75S Workshop Manual

4. Install the flywheel and attach the nut. Remove the
piston stop.
5. Put the air gap tool between the flywheel and the
ignition module. Refer to
for the correct distance.
a) If it is necessary, loosen the screws to adjust the
distance between the flywheel and the ignition
module.
b) Tighten the screws to the correct torque.
20 - Repair instructions
Servicing tools on page 10
6. Install the starter unit.
7. Install the spark plug and the spark plug cap.

7.7 Ignition system

7.7.1 Introduction
The engine has an electronic ignition system fully
without moving parts. A defective component cannot be
repaired, but must be replaced by a new component.
If the engine does not fire, the ignition module can be
damaged. Before you replace the ignition module, do
the tests that follow.
7.7.2 To examine the spark plug
CAUTION: Always use the recommended spark
plug type. Incorrect spark plug type can cause
damage to the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
a) Make sure that the idle speed is correctly
adjusted.
b) Make sure that the fuel mixture is correct.
c) Make sure that the air filter is clean.
1008 - 003 - 24.11.2020