Marketing Color: Natural
Material: Steel
Sprocket Position: Rear
Sprocket Size: 420
Sprocket Teeth: 31


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.
All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards.
Induction hardened with black zinc finish available on certain sprockets.


fits YAM BW80 1990
fits YAM BW80 1986-1988
fits YAM DT100 1974-1983
fits YAM LB80 Chappy 1977
fits YAM LB80 II Chappy 1977-1978
fits YAM MX100 1979-1983
fits YAM PW80 1991-2006
fits YAM PW80 1983-1985
fits YAM RT100 1990-2000
fits YAM TTR110E 2011-2020
fits YAM TTR110E 2008-2009
fits YAM TTR50E 2012-2020
fits YAM TTR50E 2006-2009
fits YAM TTR90 2000-2003
fits YAM TTR90E 2003-2007


*Free to the contiguous United States consisting of the 48 adjoining U.S. states plus Washington, D.C., on the continent of North America. Free is not available to non-contiguous states of Alaska and Hawaii, US Protectorates, or APO, FPO or DPO locations. Photos are for reference only. Actual product may differ from the item shown in photograph.