If it only does that when sitting, then a shutoff valve should take care of you. If it's flooding while running, you probably have an issue in the carbs that needs to be addressed.
1986 Yamaha XT350 For Sale
2005.5 KTM 950 Adventure and 2012 KTM 200 XC-W
1991 BMW 318is turbo track car
1989 Chevrolet Caprice Classic Wagon sleeper tow car
3 Months Exploring the US on a 950