Ultimate XS is designed for high horsepower sleds and delivers strength and dependability never before available Carlisle innovation provides superior performance & longer belt life unsurpassed by any competitive belt Ultimax XS has increased strength and is built with new heat tolerant materials With a revolutionary new compound, extra strong Aramax cord and new manufacturing processes the Ultimax XSruns cooler, longer and faster Extensive lab and field testing have proven that Ultimax XS can withstand the punishment that today"s super-sleds dish out Capture the power with belts by Carlisle Additonal Fitment:2000-2003 YAMAHA SX 600R1999-2001 YAMAHA VMAX 700 DELUXE2008-2010 YAMAHA APEX LTX2003-2006 YAMAHA RX-1 MOUNTAIN2003-2003 ARCTIC CAT ZL 600 EFI2011-2011 YAMAHA FX NYTRO M-TX SE 1622004-2004 YAMAHA RX-1 ER (4 STROKE)2008-2010 YAMAHA RS VECTOR LTX GT2000-2001 YAMAHA PHAZER 5001997-1999 YAMAHA VMAX 600 SX2008-2008 YAMAHA VENTURE MULTI-PURPOSE2004-2006 YAMAHA SXVENOM1997-2006 YAMAHA VENTURE 6001994-1996 YAMAHA VMAX 500 DX2007-2007 YAMAHA RS RAGE GT1996-1996 YAMAHA VMAX 500 XT2009-2010 YAMAHA APEX LTX GT2007-2007 YAMAHA VK PROFESSIONAL1994-1996 YAMAHA VK540 II2005-2006 YAMAHA RX WARRIOR2007-2007 YAMAHA VENTURE LITE2004-2006 YAMAHA SXVENOM ER2008-2011 YAMAHA APEX2004-2004 YAMAHA SXVIPER S2007-2007 YAMAHA NYTRO ER2011-2011 YAMAHA RS VECTOR L-TX GT1994-1996 YAMAHA VMAX 500 LE2001-2001 YAMAHA SX 700 R2011-2011 YAMAHA APEX SE2005-2007 YAMAHA RS VECTOR MOUNTAIN2002-2002 YAMAHA SRX1994-1995 YAMAHA VMAX 600 ST2010-2010 YAMAHA FX NYTRO MTX SE 1531999-2000 YAMAHA VMAX 6002005-2008 YAMAHA RS VECTOR1996-1998 YAMAHA VMAX 600 XT2006-2007 YAMAHA NYTRO1994-1996 YAMAHA VMAX 600 DX2003-2006 YAMAHA RX-1 ER2007-2007 YAMAHA APEX MOUNTAIN SE2011-2011 YAMAHA APEX X-TX 2007-20