Husqvarna 545 Mark II, Operator'S Manual, Page: 32 / 128

fins on the cylinder (C), the cooling channel (D) and the
cylinder cover (E).
B
A
C
D
E
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
CAUTION:
A dirty or blocked
cooling system can make the product
too hot, which can cause damage to the
product.
Troubleshooting
The engine does not start
Product part to examine Possible cause Action
Starter pawls The starter pawls are blocked. Adjust or replace the starter pawls.
Clean around the pawls.
Speak to an approved service work-
shop.
Fuel tank Incorrect fuel type. Drain the fuel tank and fill with cor-
rect fuel.
The fuel tank is filled with chain oil. If you have tried to start the product,
speak to your servicing dealer. If you
have not tried to start the product,
drain the fuel tank.
Ignition, no spark The spark plug is dirty or wet. Make sure that the spark plug is dry
and clean.
The electrode gap is incorrect. Clean the spark plug. Make sure that
the electrode gap and spark plug is
correct, and that the correct spark
plug type is the recommended or
equivalent.
Refer to Technical data on page 33
for the correct electrode gap.
Spark plug and cylinder The spark plug is loose. Tighten the spark plug.
Engine is flooded because of repea-
ted starts with full choke after igni-
tion.
Remove and clean the spark plug.
Put the product on its side with the
spark plug hole away from you. Pull
the starter rope handle 6-8 times. As-
semble the spark plug and start the
product. Refer to
To start the product
on page 13 .
32 544 - 009 - 07.02.2022