mikemcmillan Posted July 18, 2012 Report Share Posted July 18, 2012 Hoping for some help with my late 70's Johnson 9.9 motor. Lately it is poping out of gear at high speed, not all the time but enough to know that there is a problem coming my way and I would like to fix if before I am stuck out on the lake. Any ideas on what could be causing this? Thanks for the help in advance. Mike Link to comment Share on other sites More sharing options...
ecmilley Posted July 18, 2012 Report Share Posted July 18, 2012 linkage adjustment or detent ball and spring assembly worn out as my best guess Link to comment Share on other sites More sharing options...
Sinker Posted July 19, 2012 Report Share Posted July 19, 2012 Check the hub on the prop. I had one like that that did the same thing, and the hub was spun out of the prop. At high speeds, the engine would rev, but the prop wasn't spinning. It was Ok at low speed. S. Link to comment Share on other sites More sharing options...
Spiel Posted July 19, 2012 Report Share Posted July 19, 2012 I had a 76, 25 horse Johnson that did that, clutch dog was worn. Replaced it and the detent spring while I had it apart, problem solved. Link to comment Share on other sites More sharing options...
mikemcmillan Posted July 19, 2012 Author Report Share Posted July 19, 2012 Thanks Guys, I'm heading to the cottage this morning for a few days so I will try and get it fixed. Thanks again, Mike Link to comment Share on other sites More sharing options...
porkpie Posted July 19, 2012 Report Share Posted July 19, 2012 As mentioned, it is likely the clutch dog. Link to comment Share on other sites More sharing options...
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