6 hp runs rough just above idle speed

DJ270374

Cadet
Joined
Apr 28, 2003
Messages
13
Hi guys,<br /><br />My Johnson 6 hp is running rough just above idle speed (idles like a dream) but when I turn the trottle a little bit, engine start sputtering, and backfiring. When I turn the trottle a little further till WOT, the problem is gone.<br /><br />So at a speed just above idle enigine is misfiring or backfiring. <br /><br />Any ideas
 
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