Front & Rear Sprocket Kit for Street YAMAHA YSR50 1987-1992

Front & Rear Sprocket Kit for Street YAMAHA YSR50 1987-1992 O.E.M. Gearing 12/44

JT Steel Front Sprocket

Teeth: 12T

Using the latest generation of computer design and control metal cutting equipment for maximum durability.

Made from the finest C49 high carbon steel or 7075 T6 aluminum.

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.

JT Steel Rear Sprocket

Teeth: 44T

Using the latest generation of computer design and control metal cutting equipment for maximum durability.

Made from the finest C49 high carbon steel or 7075 T6 aluminum.

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.