Lake Martin Topics: Help!

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	Name:	roswellric -
	Subject:	Help!
	Date:	9/19/2005 9:22:27 PM

I have a 93 Evinrude 115 HP V-4 that has a new powerhead. At anything below 4500 RPM I get an intermittent vibration from the motor that is very noticeable. Feel it in the the floor of the pontoon boat. Hear it. No discernable drop in RPM when staring at the tach when it vibrates.

Is propped to run 5200 RPm at WOT. It seems to run fine at WOT and over 4500 RPM, Idles OK, starts kinda OK (needs a bulb prime when cold).

Been in the shop off and on all summer and has new plugs, wires etc.
What 's up? It's driving me crazy.....

Other messages in this thread:

View Entire Thread

Help! - roswellric - 9/19/2005 9:22:27 PM

Help! - JIM - 9/20/2005 8:57:49 AM

Help! - ShoeFly - 9/20/2005 9:11:37 AM

Help! - roswellric - 9/20/2005 9:16:56 AM

O>K> - CAT BOAT - 9/20/2005 8:28:25 PM

Thanks - roswellric - 9/21/2005 1:30:48 PM

Help! - 4thelake - 9/21/2005 8:05:26 AM

Thanks! - roswellric - 9/21/2005 1:33:57 PM

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