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Discussion Starter · #1 ·
Hello, hoping someone has fixed something similar.

My 2013 Summit Sport PTEK blew up last year and burned a whole bunch of coolant. I did a crank exchange, replated the cylinders, replaced temp sensors and put a new dash in.

Now when I'm trying to start it up, it backfires when it gets over about 1500 RPM. I thought it might be the carbs so I took them off and cleaned them and still getting the same... will post a vid tonight. Has anyone had anything like this before?

Cheers
 

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Discussion Starter · #3 ·
The two small trigger coils. It is easy to get them mixed up. If they are swapped around in there location. It won't start only backfire occasionally.
The round thing with two clips? I tried switching them once, the video is what it sounded like before. It sounds better now, I think I have the black on top and white on bottom.
 

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Discussion Starter · #5 ·
My pickup coils are in the right place but it still has the backfire. Could it have anything to do with my stator wires? I didn’t have a removal tool to get the wires out of the clip so I cut and spliced them together again. Had to do this to get them through the round hole in the outside of the crankcase. I used some butt connectors and then shrink wrapped and taped them so I don’t think it’s messed I at all.
 
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