SRM 225 - runs for 20-30 minutes - once hot stalls out HELP
Replaced carb, fuel lines, fuel filer, checked spark arrestor, use true fuel only - I am baffled
Echo SRM-225 Trimmer. This model replaced the SRM-210. The most common repairs for this device are straight forward and can be done quickly.
@louis56 when you rebuilt the carb did you by chance reroute the fuel line so it is closer to the exhaust ? This sounds like as the engine gets hotter the power goes away and this can happen if the fuel is vaporized in the fuel lines . Just something you might want to check . Hope this helps
We are missing the most important pieces of info; sound & smell.
We must assume the fuel/oil mix is correct. Regular 2-cycle oil should show small wisps of smoke as you pull the trigger. The hotter it gets, the smaller the wisps. If you cannot see the exhaust, it is not being lubricated. Add more oil.
Once it stalls & stops. Does it still have good compression ?
Can you remove the muffler and easily blow thru it ? No back-pressure allowed.
While its apart, is the exhaust port sooty ? Clogged ? Can you see the piston rings ?
Was the compression weak when it stopped ? Drop a bit of heavy oil onto the piston rings, then slowly crank the engine. At each revolution, the compression should increase.
Further steps will entail dis-assembly.
Look for air leaking into the crankcase which leans the fuel mixture. Broken clutch springs, bad bearings, bushings, plugged gascap, and such problems, all add to the strain on the little engine.
Please let us know what you find.
Carb Adjustment solved my problem - Funny they say you cant adjust these but I found out you can and need to - Please view video showing you how to get to adjustment screw - Thanks everybody who helped with many ideas and suggestions -
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