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 Vanguard 35 runs rough under load 
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Joined: Mon May 21, 2012 1:43 pm
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Post Vanguard 35 runs rough under load
I bought a 18' beavertail w 35 hp vanguard (b-s) motor.
While bottom painting the boat i had the motor laid on its
side for a week. Reinstalled and now motor runs very rough
under load but fine with no load. Any thoughts?


Tue May 22, 2012 8:30 am
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Joined: Wed Apr 20, 2011 5:35 pm
Posts: 537
Post Re: Vanguard 35 runs rough under load
Check ur spark plugs and ur carb

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Tue May 22, 2012 10:58 am
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Post Re: Vanguard 35 runs rough under load


Tue May 22, 2012 11:21 am
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Joined: Mon May 21, 2012 1:43 pm
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Post Re: Vanguard 35 runs rough under load
Thanks I'll try this weekend


Tue May 22, 2012 6:13 pm
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Post Re: Vanguard 35 runs rough under load
I wanted to follow up on the vanguard engine issues in case others had the same problems. Because the engine was on its side for a week oil Leaked into the right cylinder. When trying to start the oil locked the engine also bending a push rod in the process. I found the problem by starting the motor pulling the spark plug wire on right side engine still kept on running. Replaced right side wire then pulled left side plug wire the engined died. So only the left side was working. Removed spark plugs and grounded to engine. Both spark plugs looked good which points to carb or mechanical. Pulled the valve cover on right and there it was the bent push rod. Replaced rod set lash to .005. Replaced cover and had all 35 HP back on tap. Just wanted to help anyone else having a simmilar issue. ;)


Fri Jun 01, 2012 10:42 am
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Joined: Sat Apr 24, 2010 3:32 pm
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Location: Chugiak, Alaska
Post Re: Vanguard 35 runs rough under load
Thanks for the update....Duckdon


Sat Jun 02, 2012 8:08 am
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