OK have to walk away. Ignition is fine it has a breakup around 2500 or so on the primary carb., ethanol gas from last year. Weird arse issue. Really thinking carb(s) have issues. Was on the phone with his carb rebuilder, man what service he walked two idiots through six pack carb checks, learned alot. He is getting 10 gallons of leaded 11o VP gas $200 now in the am and go from there. Runs fine when the outboard carbs open up at flooring. All stared this year when the shake down run and he seriously blew his muffler up. Sparkey would be proud.
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