73 Evinrude 50 HP OB engine (LARK)

73fabuglas

Recruit
Joined
Jun 3, 2002
Messages
3
Ok I got my motor running as perfect as I could get it it's running like a champ I checked all the wires and everything else I have no clue why I'm still running at half power!!! but get this when I put it in reverse I have power for days and it sounds like it's hauling butt it sounds the way it should sound when it's at full foward!!! is something installed backwards?? when i had my tune up or my powerpack replaced???
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: 73 Evinrude 50 HP OB engine (LARK)

Howdy, Fabuglas.<br /><br />You are probably running on one cylinder.<br /><br />Find out which one isn't making power. Pull each plug wire while it is on the muffs. If it dies, that is a cylinder making power. If nothing happens, that is your dead cylinder.<br /><br />Now check the spark on the dead one. Pull the plug, hold it against the block and turn her over. <br /><br />If you have spark, spray some fuel mix into the carb for the dead cylinder. If it picks up rpm, overhaul that carb.<br /><br />Let us know what you find.<br /><br />Oh, BTW, get a manual. :)
 
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