same as the following
Part # = 3R4-15421-00-00
Part Description = COVER,CRANKCASE 2
Model Count = 10
IT250H 1981 250 IT250 Dual-Purpose
IT250J 1982 250 IT250 Dual-Purpose
IT465H 1981 465 IT465 Dual-Purpose
IT465J 1982 465 IT465 Dual-Purpose
YZ250G 1980 250 YZ250 Competition Motocross
YZ250H 1981 250 YZ250 Competition Motocross
YZ250J 1982 250 YZ250 Competition Motocross
YZ465G 1980 465 YZ465 Competition Motocross
YZ465H 1981 465 YZ465 Competition Motocross
YZ490J 1982 490 YZ490 Motocross Motocross
