Echo gt 225 trimmer not engaging all time, help?

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  #1  
Old 05-13-19, 05:04 AM
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Echo gt 225 trimmer not engaging all time, help?

I recently rebuilt an echo gt 225 for my dad. There was excessive vibration and loud metal pinging when I got it from him and it ended up being the clutch drum stripped out from the fan cover..Iíve replaced the clutch assembly, clutch drum and starter pawl assembly and now the dang thing feels like it isnít engaging all the time. Sometimes I can see the drum spin when I pull it and sometimes it wonít, just see the flywheel spin. Help. Thanks
 
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Old 05-13-19, 06:30 AM
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The starter isn't turning the engine over or when it starts the engine isn't engaging the trimmer drive shaft to spin the head.

The clutch won't engage until the rpms of the engine increase. That's bout like a chainsaw.

That's an excellent trimmer BTW.
 
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Old 05-21-19, 10:20 PM
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Best trimmer Iíve ever used... Iíve literally replaced everything except the flywheel and the starter coil...I see ok spark, so from what I am getting from ur response is the starter coil and flywheel response is weak and most likely a new coil would fix me up? Itís almost like if I pull it just right it would crank now it wonít at all
 

Last edited by Jmay1153; 05-21-19 at 10:22 PM. Reason: Adding to
  #4  
Old 05-22-19, 11:21 AM
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Do you feel the compression of the engine when you pull it? You may have a sheared flywheel key.
 
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Old 05-22-19, 05:32 PM
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Compression seems exceptional. I took the flywheel off to sand some of the key points and thought I did a stand up job, apparently not. Do not believe I sheared a key . Got one on order, when I got the new one on Iíll let u know how it turns out. Any thing I should be aware of when changing her out? And brother thanks so much for the guidance
 
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Old 05-22-19, 05:54 PM
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You've got a flywheel on order? If the key isn't sheared, I'd say it's fine, no need to replace it.
 
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Old 05-23-19, 05:22 AM
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Don't understand the problem. When you pull the start rope, does both the flywheel and crankshaft rotate or just the flywheel? When you removed/reinstalled the flywheel what torque did you tighten it to?
 
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Old 05-23-19, 05:44 PM
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Yes have one on order. The contacts on both sides of the flywheel were rusted and it evidently got damn hot at some point, because some of the black plastic on the inside of the wheel was melted.It also is a bit wobbly as it spins around the shaft. Only flyheeel turns 90% of the time. Occasionally itíll time up and engage.
 
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Old 05-23-19, 05:56 PM
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Flywheel and crankshaft should rotate together 100 percent of the time unless the key is sheared.
 
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