A 63-year-old motorcyclist from Fort White was critically injured and his 51-year-old passenger, also from Fort White, was seriously injured Friday afternoon when they were struck from behind on State Road 247 in Suwannee County, according to the Florida Highway Patrol. Troopers said Thomas Painter and Jill Painter were riding a 2000 Harley Davidson northbound on SR 247 approaching 35th Drive in Suwannee County when they slowed down and were attempting to turn left.