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40 hp Force problem

96cajun

New member
Need help with a 40 hp force......seems to hesitate or miss only at high speed.....has a jerk to it when it does it. Seems like lower unit but only does at high speed. I have asked a couple of people that have told me that if it does not do it all the time it is not lower unit. Any input would be appreciated.
 
It's possible the lower unit(clutch dog) could be bad.
The dog could be going bad?
Try unhooking the shift linkage while you are running.
Then if it still does it, take it apart and inspect the dog.
There shouldn't be any rounded edges.
Post a pic
 
Ok, It is still doing the hesitation thing, I did run with cover off and was still acting up, I will check butterfly.....thank you for the suggestion.
 
I have also had a friend suggest that it might be on the bottom of the motor where the shaft fits into.......Bearing assembly and gear????? He had suggested that if its wore it might be jumping the teeth, I thought it seemed odd because I would think you would have pieces and parts floating around or at very least a lot more noise and problems........
 
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