Motorcycle One Way Starter Clutch Bearing for models including RST4T 2010-2011 125cc, 2004-2005 250cc, 4T 4V le EU3 10-11 300cc, Tourer EU3 2009-2010 300cc, 2007-2011 500cc, X9 Evolution 2004-2006 250cc, Carnaby 2009-2011 300cc, MP3 le LT/Mic 2010-2011 300cc, MP3 4T 4V lbrido touring sport 2010-2011 300cc, MP3 ie LT/Sport/Touring 2008-2011 400cc, MP3 RL Touring 2011 400cc, X9 Evo 2007-2011, MP3 Sport/RL Sport 2011 500cc, and X9 2001-2002 500cc.Constructed from forged steel, this starter clutch bearing features a one-way design with 18 beads.Designed as a direct fit replacement component for the specified models.