REAR SPROCKET STEEL HARD ZBK, C45 INDUCTION JTR1078.47ZBK

Part No. SR1078-47.S.ZBK (phoenixmotos.com)
JTR1078.47ZBK JT HARD Sprockets BLACK ZINC - [JTR1078.47]
Made from C45 high carbon steel, with teeth heat-induction hardened to 38-50 HRC, Black Zinc Finish.

Fitment:

MBK
50 X-Power 2000-2006

YAMAHA
TZR50 RR 1997-2006
TZR50 X-Power 1996-2006
TZR50 2007-2012
TZR50 50th Anniversary Ed 2012