JT Sprockets JTR845.40 Engine Timing Idler Sprocket

JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel, 7075 aluminum, or new titanal alloy. Lightweight titanal sprockets combine the ultimate strength of titanium with aluminum 7075-T6 providing superior hardness and strength. Front sprockets are made from chromoly SCM420 steel alloy. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards possible quality standards.This item fits the following models: 1980-1981 Yamaha IT1251977-1979 Yamaha IT1751980-1982 Yamaha TT2501980-1984 Yamaha XT2501976-1981 Yamaha YZ1001976-1979 Yamaha YZ1251976 Yamaha YZ175