82 evinrude 35 hp runs rough

hapmach

Recruit
Joined
Feb 11, 2006
Messages
1
Bought boat, motor not running, got manual and parts manual.<br /><br />No spark, replaced power pack, got spark, still runs rough if at all. <br /><br />needs to be choked to fire-up. Runs 10-20 sec then dies, also back fires.<br /><br />timing signal is taken off stator, no points<br /><br />What are the next logical steps I could do to impove the situation?<br /><br />I really don't want to tear into this thing!
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: 82 evinrude 35 hp runs rough

Howdy, hapmach.<br /><br />Welcome to iboats. :) <br /><br />We need your model number.<br /><br />When you say backfire, is that a loud bang from the exhaust or is it more like a sneeze from the carb?
 

surlyjoe

Chief Petty Officer
Joined
Nov 21, 2005
Messages
486
Re: 82 evinrude 35 hp runs rough

first thing I would do is throw a carb kit at it and change the lower oil, since it sounds like you don't know the service history, when was it last run? did you do a compressison check?
 
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