2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 60Get this manual
CABLE ROUTING 1 Wire harness Air filter case breather hose Cylinder head breather hose Coolant reservoir breather hose Coolant reservoir hose Tailbrake light Tailbrake light lead Crankcase breather hose Carburetor drain hose Carburetor air vent hose Battery negative lead Starter motor lead
When installing the rear fender, make sure that the rear fender does not overlap or pinch the cylinder head breather hose, coolant reservoir hose, or wire harness Install the air filter case breather hose with the paint mark facing outward Install the cylinder head breather hose with the paint mark facing outward