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Is a really good runner. Probably one of the best used engines I've bought. I did the usual fin cleanout and carb cleanout and valve adj before I installed it. Went ahead and put some OE Briggs coils on it didnt feel like fighting that coil issue. No smoke at all, no knocks or rattles either. It...

I got this motor already complete to repower a mower of mine. Supposed to be an easy swap, LoL. I went ahead and got oem coils and switched them out. Now I know for sure everything is correct. Thanks for the responses.

Does that mean I can fabricate a harness without diodes?? Or will that cause the coils to fight with each other.

Hi Guys, I have a 20hp vtwin intek 40g777-0112-e1. the ignition coils are Rotary 31-11578. My problem is that when you touch the kill wire to the block it will not kill the engine. i pulled the top shroud and touched the kill terminals on both coils with a probe and it killed the engine. I...

Had something interesting yesterday while putting carburetor back on. While I was installing I broke the ear off the insert where the choke linkage attaches to carburetor. Since I was "down" until parts to repair the choke came in I decided to play with the jetting. Keihein main jets in...

I've had the carburetor apart cleaned, wire ran thru every hole possible to run thru, at least 4 times. Soaked in carb dip each time. Did the same with main jet and mixer tube also. New kit installed again on last teardown.

Deck's engaged at full throttle. The only way to get it to engage and stay running now is to set the choke half on, engage the deck, then push the choke off.

Hey Guys. Thanks for the responses!!! I believe my problem is low compression and age of motor. Im going double check everything today and see what happens.

Yes, downloaded from Kohler. Governor is working properly

Cylinder balance test ok.

Belt and all pulleys are free as well as the spindles.

I have a kohler CH23-76591. When the mower came to me it wasnt running. I cleaned the carb, replaced all fuel lines and fuel pump and got it running. I then found i had spark on one cylinder only. Because it was in a Grasshopper 223 zero turn mower and you have to pull the motor to get the...