Bought 05 Silverado 2 weeks ago. 1000k later, still in love, Bike has 21,000k on it now, no engine noise on start up; enough cold coughing until warmed up. Full choke to start, 1\\3 choke 1st 4 to 6 mins. of running! Don´t forget to push it back in after. Hope it never snows, enjoy.