2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 57Get this manual
CABLE ROUTING Route the neutral switch lead, A.Cmagneto lead, and radiator fan motor lead under the frame Fasten the wire harness, thermo switch lead, A.Cmagneto lead, and neutral switch lead with the plastic band and then face the end of the band inward between the frame tubes Route the fuel tank breather hose behind the steering stem21 mm (0.280.83 in) 5070 mm (1.972.76 in)
Fasten the wire harness, throttle position sensor lead, and carburetor switch lead with the plastic bandMake sure that there is no slack in the throttle position sensor lead and carburetor switch lead along the frame as shown Install the cylinder head breather hose with the paint mark facing to the left More than 15 mm (0.59 in) Fasten the wire harness with the plastic band on the white tape and then face the end of the plastic band inward7 B-B 4