18
English / USA
SR 340, SR 420
Before fueling, clean the filler cap and 
the area around it to ensure that no dirt 
falls into the tank.
Always thoroughly shake the mixture in 
the canister before fueling your 
machine.
In order to reduce the risk of burns 
or other personal injury from 
escaping gas vapor and fumes, 
remove the fuel filler cap carefully 
so as to allow any pressure build-up 
in the tank to release slowly.
After fueling, tighten fuel cap 
as securely as possible by hand. 
Change the fuel pick up body 
every year.
Before storing your machine for a long 
period, drain and clean the fuel tank and 
run engine until carburetor is dry.
With the engine stopped and before 
starting, check the air intakes 
between the backplate and 
powerhead for blockages and clean 
if necessary.
A protective screen is available as a 
special accessory to keep the air 
intakes clear.
The throttle cable disconnects itself from 
the throttle trigger if the engine is not 
shut off in the idle position.
The throttle cable reconnects itself 
automatically when the setting lever is 
moved to the idle position.
: Move the setting lever to the idle 
position.
Fueling
373BA030 KN
373BA007 KN
Information 
Before You Start
373BA037 KN