Tach gos to 4500 then bounces back to to

[GOTFIVE]

I have a 1991 200 johnson my tach works fine until it gets to 4500 rpms then it starts to dance and shoots back to Zero but the motor is still running great i already changed tach and still does the same thing thanks

 

[Mod2]

Re: Tach gos to 4500 then bounces back to to

Duplicate post....closing.