Question about McCulloch Garden
How do you tune a muculloch mac110 chainsaw
There should be a small screw near carburetor Labeled L and one H. Set the L or low jet first by screwing it in slowly until the engine drops RPM then start screwing it back out until it quits gaining rpms then screw it back in one half turn. Be careful on the high jet as it requires you to hold the throttle wide open. Do the same proceedure as low. Screw it in till drop them out till the RPM is maxed out then back in a half a turn. Try reving the engine several times and it shouldn't hesitate. If it does, open the H valve a small amount. Go back to idle after adjusting H valve and make sure the engine still idles smoothly or you'll need to re-adjust it again. After it's running well then adjust idle speed. Should be set a little fast but not enough that the chain turns while idling.
Posted on Jun 03, 2009
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Posted on Jan 02, 2017
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