GT-225 OPERATION
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© 04/21 ECHO Incorporated
5. Choke
After engine fires (or 5 pulls), move choke (B) to the RUN ( ) (open) 
position. Firmly grasp throttle handle with left hand and fully depress 
throttle trigger to wide open position. Pull starter handle/rope until engine 
starts and runs. Release throttle trigger and allow unit to warm up at idle 
for several minutes. 
Note:  If engine does not start with choke in “RUN” position after 
5 pulls, repeat instructions 2 - 5.
6. Throttle Trigger
After engine warm-up, grip throttle handle and support handle. Gradually 
depress throttle trigger to increase engine RPM to operating speed.
Starting Warm Engine
The starting procedure is the same as Cold Start except DO NOT close the 
choke, and do not depress throttle trigger to wide open position.
The attachment should not move at idle, otherwise serious 
personal injury may result.
Note:  If attachment moves, readjust carburetor according to 
“Carburetor Adjustment” instructions in this manual or see 
your ECHO Dealer.
1. Stop Switch
Move stop switch (A) away from 
the STOP position.
2. Purge Bulb
Pump purge bulb (C) until fuel is 
visible and flows freely in the 
clear fuel tank return line. Pump 
bulb an additional 4 or 5 times.