Hey folks, I have. 1997 550 Cougar that starts kinda hard, typically 10 pulls. It will run fantastic for about 15-20 then bogs and dies. About 10 minutes later after about 20 pulls (no choke) it will fire back up and stumble until it picks right back up and runs well again. This has happened to me three times... on consecutive nights. Sled sat for 2 years, carbs cleaned and it fired right off with new plugs. Any Ideas?!