Question about Light Outboard Motor Boat Bass Fishing Saltwater Base

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Motor will coast along well when idling but when given full throttle seems to jump out of gear. it justs revs but no forward motion

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  • Anonymous Mar 23, 2009

    I have a Evinrude 25hp. Its starts fine but moves forward with low revs but as soon as i give it a little more throttle it seems to jump out of gear and go no where. It just revs really high and loses all forward movement. I took it to a marine shop and they replaced the shear pin and they said the gears are fine. It still does it and i cant find the problem

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It is most likely your shift adjustment is only putting a little in gear and it jumps out under load. If this has been the case for a while it will ruin the clutch dog and possibly the gear.

Not knowing which engine you have - thats as much advise as I can give.

The "Cavitation issue" mentioned can be checked with how deep in the water the engine sits. And just watch the prop under way and if it disappears in a ball of bubbles and quits pushing the boat , you will need to adjust the tilt first then the depth in the water.

Posted on Jul 29, 2012

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I hate to give you bad news but it sounds like a cavitation problem, i had this problem on my 150 mercury. i t turned out to be a bent propeller shaft it could also be a bent prop
pull it out of the water and spin it. also push and pull on the prop and see if the berings are loose
hope this helps and good luck with it

Posted on Jul 09, 2009

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