Applicable for :
YAMAHA YZF R125 (2008 - 2013)
YAMAHA YZF R125 / R15 2014 PLEASE MENTION
YAMAHA YZF R15 2008 - 2013 v.1.0 / 2.0
YAMAHA WR125 R/X
YAMAHA XMAX125
HUSQVARNA SME/SMR 125
RIEJU RS3
ADVANTAGES :
BETTER FLOW
PORT and POLISHED
BERYLLIUM COPPER valve seats (up to 7 times heat transfer capability compared to stock seats)