INSTRUMENT AND CONTROL FUNCTIONS3-183or premium unleaded fuel. Use of un-leaded fuel will extend spark plug lifeand reduce maintenance costs.EAU39451Fuel tank breather/overflowhoseFZ1-NFZ1-NAFZ1-NABefore operating the motorcycle: Check the fuel tank breather/over-flow hose connection. Check the fuel tank breather/over-flow hose for cracks or damage,and replace it if damaged. Make sure that the end of the fueltank breather/overflow hose is notblocked, and clean it if necessary.1. Fuel tank breather hose2. Original position (paint mark)3. Fuel tank overflow hose1. Fuel tank overflow hose2. Original position (paint mark)31. Fuel tank breather hose2. Original position (paint mark)12