Compatible with for for GX120, for, GX168, and for GX200 Engines: Whether you have a 4HP, 5.5HP, or 6.5HP for engine, this pull start starter recoil is compatible with them all. Compatible withfor Predator 212cc 6.5HP7HP Generator and Lawnmower: This pull start starter recoil is also compatible with the popularfor Predator 212cc 6.5HP7HP generator and lawnmower engines.