2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 11Get this manual
CRANKCASE 4-65 OIL SEAL AND BEARING4-67 SEPARATING THE CRANKCASE 4-68 CHECKING THE OIL STRAINER AND OIL DELIVERY PIPE 4-68 CHECKING THE TIMING CHAIN AND GUIDE4-69 CHECKING THE BEARINGS AND OIL SEALS 4-69 CHECKING THE CRANKCASE 4-69 ASSEMBLING THE CRANKCASE 4-70 CRANKSHAFT 4-72 REMOVING THE CRANKSHAFT 4-73 CHECKING THE CRANKSHAFT 4-73 INSTALLING THE CRANKSHAFT 4-74 TRANSMISSION 4-75 MAIN AXLE 4-76 DRIVE AXLE 4-77 CHECKING THE SHIFT FORKS4-78 CHECKING THE SHIFT DRUM 4-78 CHECKING THE TRANSMISSION 4-78 ASSEMBLING THE MAIN AXLE AND DRIVE AXLE 4-79 INSTALLING THE TRANSMISSION .4-80