Fit For 6mm ID Fuel Line Hose For 50cc 110cc 125cc 150cc 250cc ATV Motorcycle Spare Parts fit for 50cc 110cc 125cc 150cc 250cc For ATV engines with standard 6mm inner diameter fuel fittings Flexible tubular structure supports routing layouts without bending shut or restricting fuel flow fuel-resistant rubber gasoline , swelling cracking under long off-road use Withstands engine mud moisture, maintaining stable sealing in harsh outdoor riding environments Uniform 6mm inner bore fuel tanks, carburetors for leak-free assembly