prop won't engage

knboat

Cadet
Joined
Apr 22, 2011
Messages
15
please help me out if you can. first of all its a 1993 115hp evinrude. i was out fishing the other day in a tournament and went to move spots was at full throttle for about 3 minutes and all of the sudden it was like you put it in nuetral no forward or reverse. prop spins free by hand put it in drive and there is a little noise when turning but spins mostly free by hand. checked cable and that is good and it does flip the lever from front to back so any help is appreciated.
 

dew2

Senior Chief Petty Officer
Joined
May 6, 2010
Messages
674
Re: prop won't engage

Probably a spun prop.It can by repaired or replaced.with that motor I believe repair is cheaper.First thing to do is mark the hub and the prop with a line on both that aligns.Run the motor in forward,if the lines dont match or have moved you have a spun prop.The inner hub is pressed on TIGHT creating a no slip connection when that gives,it saves the propshaft and internal gears from damage,usually it gives when bottom or some solid object hits the prop.
 

knboat

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Joined
Apr 22, 2011
Messages
15
Re: prop won't engage

thanks i'll try that. if anyone else has any info to offer the more the better. thanks again
 

knboat

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Joined
Apr 22, 2011
Messages
15
Re: prop won't engage

well i dropped the lower unit oil first and found some small bits of metal not alot but enough to tell me i have issues with the lower unit. guess i'll find out when i tear it apart.
 

Tim Frank

Vice Admiral
Joined
Jul 29, 2008
Messages
5,351
Re: prop won't engage

Probably a spun prop.It can by repaired or replaced.with that motor I believe repair is cheaper.First thing to do is mark the hub and the prop with a line on both that aligns.Run the motor in forward,if the lines dont match or have moved you have a spun prop.The inner hub is pressed on TIGHT creating a no slip connection when that gives,it saves the propshaft and internal gears from damage,usually it gives when bottom or some solid object hits the prop.

If there is no resistance at all when in gear, it may have come so loose that you can turn the hub by hand....that is your quickest indicator.
 

knboat

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Joined
Apr 22, 2011
Messages
15
Re: prop won't engage

well can you tell me this. when i dropped the oil last fall there wasn't any metal in there and now i just dropped the oil and there was slavings of metal not alot like about the amount of a shaved up finish nail. i took the prop off and the rubber in there was a little worn and a couple chunks out of it. but i turned the shaft and it still turned both ways while in gear not running of course. would catch a little every half revolution or so. ideas?????










in
 

dew2

Senior Chief Petty Officer
Joined
May 6, 2010
Messages
674
Re: prop won't engage

You can go here and look at it,If its turning freely in all gears F-N-R maybe the clutchdog is stuck in N. But you said it was running in F full throttle and just happened,which would be a spun prop (most likly) No gears went boom? you heard no noise? it just reved high like in N full speed.That pressed on hub even if slipping you havent the power to turn it the motor does.Take the prop to a shop have them test it,before you start the search of the unknown.http://shop2.evinrude.com/Index.aspx?s1=6l5bqv8ol1er4io0nhb4h05b66&catalog_id=0&siteid=1

DID you ever put the mark on the prop and hub start and run for a second in forward?? If not go back and start eliminating the easy most likly causes of your problem.
 

5150abf

Vice Admiral
Joined
Aug 12, 2007
Messages
5,808
Re: prop won't engage

Holy hell, not every single lower problem is a spun prop, I have literally ripped blades off a prop, countless bottom strikes and I have never in 20 years spun a hub, ever, and he said he removed the prop and still had the same problem.

I would say you blew a gear. possibly the pinion or the clutch dog went but either way you are gonna have to crack open the lower to see what went, it certainly isn't anything easy, could even be the drive shaft snapped.

The key is you were at WOT when it went which is the max load the engine is under so anything weak is going to let go then, I have had 2 lowers go, both in deep water at WOT, one was a forward gear the other a clutch dog that came apart.
 

dew2

Senior Chief Petty Officer
Joined
May 6, 2010
Messages
674
Re: prop won't engage

WEll holy moly at least he could mark it and see!! I have 4 props in my garage just from last year spun their made that way so you dont break blades or gears.at least eliminate the prop dont just take it down. By the way this isnt every single lower problem its only one with one post.Havin a bad day?51
 

knboat

Cadet
Joined
Apr 22, 2011
Messages
15
Re: prop won't engage

thanks for all the help didn't mean for things to get nasty.hahaha well i didn't do the mark thing not i would have to go get some oil to put back in the lower unit. i heard no noise of any kind when it went it just reved up realy loud. i had it trimmed up about half way there was a little chop on the water to me it was like the prop came out of the water but i didn't hear it rev loud. i emediatly pulled the throttle back to nuetral i think it could have a little to do with the prop but with the little bit of metal in the oil i think there is something more. i plan on taking it apart and checking it over.thanks for al the help
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: prop won't engage

If you can put the l/u in either forward or reverse and still spin the prop shaft by hand you have some internal probs. Tear it down. If there's a small amount of resistance when doing this it could be a broken d/s.
 

5150abf

Vice Admiral
Joined
Aug 12, 2007
Messages
5,808
Re: prop won't engage

Sorry, its just every time anyone post about a lower problem someone always puts up that it is a spun hub even if they say there was a loud bang or it feels like it is hitting a log, not symptoms of a spun prop, he couldn't have done the prop test anyways since it won't go into gear.

Were they name brand props that spun?

4 in a year seems like an awful lot, as I said I have run OMC and Michigan props for 20 years, hit all kinds of stuff and have never spun one.
 

dew2

Senior Chief Petty Officer
Joined
May 6, 2010
Messages
674
Re: prop won't engage

I buy repair,sell motors repair friends and neighbors a 15 evin and 35 evin I bought both had spun props,two repairs (neighbors) in a shallow bay spun,probably running them in 10 inches water or less,rather then paddle in the last 50 ft.
 

knboat

Cadet
Joined
Apr 22, 2011
Messages
15
Re: prop won't engage

so i'm trying to get the lower unit off 1993 115hp evinrude. i took off all the bolts and got it to come apart about 1 to 2 inches but now it is like the shift rod is hanging up any ideas.
 
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