[tigwelder]

I have a 08 650 prowler that the has a blown motor. Found a 2012 550 motor and put it in and have no spark. Everything else works.

 

[de3]

I have a 08 650 prowler that the has a blown motor. Found a 2012 550 motor and put it in and have no spark. Everything else works.

your 2012 550 motor is F/I did you get the ECU box with it.the 650 motor is has a carb it would have a CDI box..........just a thought.

 

[de3]

I have a 08 650 prowler that the has a blown motor. Found a 2012 550 motor and put it in and have no spark. Everything else works.

did you put a carb on the 550 motor.or did you leave it F/I.