MALOSSI High Performance Transmission Drive Belt For YAMAHA ZUMAZUMAII: 1989 CW50W ZUMA 1990 CW50TA ZUMA 1997 CW50J ZUMA II 1998 CW50K ZUMA II 1999 CW50L ZUMA II 2000 CW50M ZUMA II 2001 CW50N ZUMA II 2002 YW50P ZUMA 2003 YW50R ZUMA 2004 YW50S ZUMA 2005 YW50T ZUMA 2008 YW50XB ZUMA 2008 YW50XL ZUMA 2009 YW50YB ZUMA 2009 YW50YL ZUMA 2010 YW50ZB ZUMA 2010 YW50ZY ZUMA 2011 YW50AL ZUMA Features: Replacement Belt For OEM# 3AA-17641-00-00, Dimensions 16X8X751 MM 28Degree, Part# - 6118140 HIGH PERFORMANCE This high-performance belt provides maximum power to transmission and superior clutchvariator torque-multiplier response. NO ADJUSTMENT NEEDED - Zero clutchvariator spring or fly-weight adjustment required at installation. Thanks to the new belt you just tuned your CVT system to get more performance from your machine. SPECIAL MATERIALS - Belts are produced with special mixtures to assured optimal resistance and drive, their forms have been developed to perfectly fit the surface of the automatic transmission elements. MALOSSI SPECIAL BELT - is not only perfectly compatible with the original belt, but it offers all the advantages of a Malossi high-quality product.