yamaha 90HP 2 STROKE CRANK SENSOR

[ARGYLL]

Engine Will Fire Up Then Shut Down .then When I Disconnect Crank Posistion Sensor Engine Will Fire Up And Run. Q1 Is It Bad For It To Run With This Sensor Disconnected Q2 Why Is The Sensor Shutting Down The Engine I Know The Sensor Is Not Faulty
Any Help
Alasdair

 

[ARGYLL]

Re: yamaha 90HP 2 STROKE CRANK SENSOR

Just to add ,engine also starts and runs when I disconnect the yellow (emergency circurit .get you home mode)on the CDI unit,what should I check for