No start condition. Good spark, new plug, gap set at .030. fresh fuel/oil, cleaned carb, getting fuel to plug. Plug gets wet after a few pulls.Tried choke, no choke, throttle and no throttle starting. The most I can get it to do, is spit out of the carb throat.
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May 1, 2011 - Uploaded by donyboy73
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Drop a few drops of gas into the plug hole and see if it fires....if so, its not getting fuel through the carb. Check the fuel and impulse line for cracking or other deterioration. I wouldn't suggest dusting it with ether because too much could blow a hole in the piston or score the piston and cylinder wall. Some guys do though just to see if its not getting fuel...
What's the plug look like when you're trying to start it? Is it wet with gas? Is it dry? Is it carboned up? The plug can tell you a lot.
First dump out the fuel and start with fresh fuel. If no start check for spark. Also pull out the spark plug and clean it with a wire brush or better yet replace the plug. Give it a spray of starting fluid in the carb. If it fires and quits do it a few times to pull the old fuel in the lines through till the new fuel get to the carb and then it should run. If the points and condersor are bad or the ignition coil is bad there will be no spark.. Points and condensor are under the flywheel.If you have the tools to pull the fly wheel and the specs for the point gap you can replace those.
Ive had numerous similar faults with both stihl and husqvarna saws. all turned out to be leaking fuel tank vents. Im not sure if this model has a vented tank or not but it might be worth checking. Sounds like a fuel/air issue.
Is your spark plug wet when you pull it out? If so then it may be fludding on you, If it's dry then your carb may be gunked up from old fuel setting in carb and lines it also can plug you fuel filter. after checking all these, check your compression and also take your spark plug out and look inside the hole at cylinder foe bad scores or scratches in the wall of the cylinder, you should also pull muffler off and check cylinder that way too, you may be low on compression. Another thing you could try is your air filter, is it plugged with sawdust, take off and try that , then try carb clean short blasts into carb and try to start, then work choke back and forth keeping it running to help **** some fresh gas through carb, all else fails pull carb and dissasemble and clean. Good Luck
Start with basic stuff first, drain the fuel tank and re fill with clean fuel oil mix, press the purge bulb ten or so times to pull the fresh fuel into the carb, now try again, if no better remove the spark plug and check for a spark ( make sure the ignition switch is on ) no spark try a new plug, still no spark check for wires shorting out, if ok replace the ignition unit, if it has a good spark is the plug getting wet with fuel, if not it may have a blockage in the carb, this will require a carb re build, if the plug is wet remove the muffler and check the condition of the piston through the exhaust port, any damage here and the saw will require a re build and possible new cylinder and or piston.
Try a new spark plug and make sure gap is .030.and check the air clener and make sure it is not plugged up.you can clean it with soap and water then dry it out.if this doe,s not work you have a carb problem.
Check the fuel filter, air cleaner, and muffler for plugging. Check the condition of all fuel lines. Make sure your 50:1 fuel mix is fresh and thoroughly shaken just before adding to tank each time. The spark plug gap is 0.020". I'm assuming that you did not disturb the H an L jet settings. Hope this helps!