The engine is 1 cylinder briggs 15 hp Diamond IC serie and carb is a nikki i will try the tric with tooth pic since i don't a plug number for this carb.
I am swaping two briggs engine on a columbia 1991 lawn tractor from a briggs 16 hp oppose twin cylinders to a 15 hp briggs . the new engine ok but my only concern is that 15 hp more recent engine as a solenoid valve on carb that i need to wire my question where can get power to this...