1. Turn the adjustment screw for the oil pump. Use a
screwdriver or combination wrench.
a) Turn the adjustment screw clockwise to decrease
the chain oil flow.
b) Turn the adjustment screw counterclockwise to
increase the chain oil flow.
Air cleaning system
™
AirInjection
is a centrifugal air cleaning system that
removes dust and dirt before the particles are caught by
the air filter. AirInjection
and the engine.
The engine does not start
Product part to examine
Starter pawls
140 - 005 - 18.09.2019
+
–
™
extends the life of the air filter
Troubleshooting
Possible cause
The starter pawls are blocked.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
starter (A) and the air guide plate (B), the pawls on the
flywheel (C), the cooling fins on the cylinder (D) and the
cylinder cover (E).
B
A
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.
Action
Adjust or replace the starter pawls.
Clean around the pawls.
Speak to an approved service work-
shop.
D
C
E
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