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Sat, Jun 12, 10 at 0:01
| Getting the trimmer running not a problem, starts on first or second pull but after about 20 seconds at idle the trimmer just dies. Sometimes at full throttle it does the same thing. Went through the carb 4 times with a fine tooth comb, checked spark arrestor and muffler, new fuel lines (filter is attached), no water in fuel, coil has good spark and new plug. Like new machine but here is the weird thing...when I hook a spark tester onto the plug and coil the weedeater will not die! It will run until I shut it off. Idles smooth and run great at high speed. Burns very clean. No shorts on the coil or kill switch. Changing nothing I take the tester off and the dang thing quits. Again I put the tester on and the thing will run forever! Is there a special plug that this machine needs? |
Follow-Up Postings:
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- Posted by bill2cycle (My Page) on Wed, Jun 30, 10 at 9:45
| Zoomie- This sounds like your engine has an air leak somewhere in the case, causing excess air to starve the engine of fuel so it stops running. Check the intake boot to cylinder, seal o-ring with permatex ultra grey, also the joint between the cylinder and crankcase could be loose and needs re-sealing, or the last spot is the crankshaft main bearings and seals (usually the seals are molded to the bearing so it's one piece actually), even though the bearing could be fine the seal may be faulty. Does it "four-stroke" at full throttle? Also, check the fuel tank cap for a faulty vent valve, try running with the tank cap a little loose, if it runs good then the cap is bad. Your unit is fuel starving for one of these reasons.
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- Posted by Mike(tipringer@yahoo.com) onSat, Apr 2, 11 at 15:07
| Did you ever find the cause of your Husky shutting off? I have the exact same symptom |
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