Features: The fuel tank cap has a fantastic sealing effect, prevents fuel leakage and prevents dirt from entering the fuel tank. Prevent dust, dirt, debris and moisture from entering the lock. Universal for 12L/14L oil tank, replacement for Yamaha boat engine. Professional work, superior performance, high reliability. The oil tank cover is made of high quality ABS. Heat insulation, light weight and strong rigidity, durable to use. Professional designs to ensure perfect fit and proper function. The fuel tank cover is easy to install, no complicated tools are required. Features: External diameter: 65.7mm Inner diameter of lid: 50.3mm Material: ABS Package size: 12*10*5cm List of packages: 1 x fuel tank cap