LIFAN 140cc 4 Gears Manual Clutch Engine Motor PIT PRO TRAIL DIRT BIKE ATV. Brand New LIFAN 140cc 1P55FMI Manual Clutch Engine Motor For PIT PRO Trail Dirt Bike Thumpstar. Horizontal, single-cylinder, 4-stroke, air-cooled, kick-starting. This item is in the category "Vehicle Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Engines & Engine Parts\Complete Engines". The seller is "blygo_parts" and is located in this country: AU.This item can be shipped worldwide.