Jeff I can answer my own question I have always wondered about now.
The Echo 3 prong clutch tool works on the 550. :msp_wink: This one is going 3/8 16 from the get go to test with.
Compared to a poulan 325 for pic
The Echo 3 prong clutch tool works on the 550. :msp_wink: This one is going 3/8 16 from the get go to test with.
Compared to a poulan 325 for pic