boat motor ?

tcuurry

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Joined
Nov 12, 2011
Messages
171
Location
milan tn
i have a Johnson 15 hp boat motor and when i put it in forward gear as long as i idle the boat will go forward but when i give it more gas it just revs up real high and never gets any faster could it be the forward gear i have not tried running it in revers but i have looked at the prop i do not think i have hurt that rubber gram mint any thoughts would be great
 

catman529

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Joined
Nov 10, 2010
Messages
29,472
Location
Franklin TN
Mine will occasionally slip at full throttle but usually only after running it most of the day. Haven't figured it out yet. I think removing some fishing line helped. Take the prop off and see if there is fishing line. If there is, make sure your lower unit hasn't got water seeped into the oil from the line cutting the seal. Hope someone else here with more knowledge on boat motors can help you pinpoint the problem.
 

Biggun4214

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Joined
May 10, 2004
Messages
3,628
Location
east tn
The linkage could need adjusting. The bushing in the prop could be worn to the point that it is slipping as well.
 

TNTomtaker01

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Joined
Jan 8, 2006
Messages
3,435
Location
Middle
Couldn't you put it in gear (with motor off) and try to spin the prop? If prop is not spun you shouldn't be able to turn it.
 

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