Econo Kit • Yamaha MX

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    • 19% off
    $61.85, save $11.90
  • $49.95

Rocket Sprocket Kit #1 (Econo Kit) 

Upgrade to a Gold O-Ring Chain for only $25.00

Steel Front Sprocket •  Rocket Steel Sprockets are manufactured using only the finest grade  SCM420 chromoly steel and all Rocket sprockets are heat treated for greater durability and longer wear life.  

Steel Rear Sprocket • The same precision quality original equipment sprockets demanded by Japan's leading motorcycle and ATV manufacturers are available as replacement sprockets in America from Rocket Sprockets. Heat treated 1045 High Carbon Steel rear sprockets for durability, both in stock sizes and in a variety of rear ratios for increased acceleration or  top speed.

Std, Roller Chain • Quality, pre-stretched, solid roller chain . ISO-9002 Certified.  For motorcycles originally equipped with non-O-ring chain. Tensile Strength 6,200 lbs.. Includes Clip style connecting link.

Gold O-ring Upgrade • YBN offers a quality  ISO-9002 Certified, pre-stretched gold O-ring chain that offers a 7800lbs Tensile strength for the most abusive rider.

Qty:  

Rocket Sprocket Kit #1 (Econo Kit) 

Upgrade to a Gold O-Ring Chain for only $25.00

Steel Front Sprocket •  Rocket Steel Sprockets are manufactured using only the finest grade  SCM420 chromoly steel and all Rocket sprockets are heat treated for greater durability and longer wear life.  

Steel Rear Sprocket • The same precision quality original equipment sprockets demanded by Japan's leading motorcycle and ATV manufacturers are available as replacement sprockets in America from Rocket Sprockets. Heat treated 1045 High Carbon Steel rear sprockets for durability, both in stock sizes and in a variety of rear ratios for increased acceleration or  top speed.

Std, Roller Chain • Quality, pre-stretched, solid roller chain . ISO-9002 Certified.  For motorcycles originally equipped with non-O-ring chain. Tensile Strength 6,200 lbs.. Includes Clip style connecting link.

Gold O-ring Upgrade • YBN offers a quality  ISO-9002 Certified, pre-stretched gold O-ring chain that offers a 7800lbs Tensile strength for the most abusive rider.

    • Weight
      5 lbs
    • SKU
      EC1_YA2
  • Select Bike
    YZ 125 1980-1986, YZ 125 1987-1998, YZ 125 1999-2004, YZ 125 2005- >>current, ---- ---- ---- ----, YZ 250 1977-1998, YZ 250 1999- >>current, ---- --- ---- ---, YZ 250F 2001- >>current, --- ---- --- -----, YZ 250FX 2016 - >>current, -- ---- -- ----, YZ 400F 1998, YZ 400F 1999, ---- ---- --- ---- ---, YZ 426F 2000-2002, ---- -- ---- -- ----, YZ 450F 2003->>current, ---- --- ---- -- ----, YZ 450FX 2016- >>current, -- --- -- --- --, YZ465 1980-1981, YZ 490 1982-1990
  • Select Front Sprocket Size
    12 th, 13 th, 14 th, 15 th *(Will not Fit YZ125)
  • Select Rear Sprocket Size
    48 th, 49 th, 50 th, 51 th, 52 th
  • Upgrade to Gold O-Ring Chain
    No Thanks, Yes Please
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We accept returns within 30 days of purchase. 

Please call first if you have issues (248)332-2440


Make Model Year
Yamaha MX - YZ125 1989
Yamaha MX - YZ125 1990
Yamaha MX - YZ125 1991
Yamaha MX - YZ125 1992
Yamaha MX - YZ125 1993
Yamaha MX - YZ125 1994
Yamaha MX - YZ125 1995
Yamaha MX - YZ125 1996
Yamaha MX - YZ125 1997
Yamaha MX - YZ125 1998
Yamaha MX - YZ125 1999
Yamaha MX - YZ125 2000
Yamaha MX - YZ125 2001
Yamaha MX - YZ125 2002
Yamaha MX - YZ125 2003
Yamaha MX - YZ125 2004
Yamaha MX - YZ125 2005
Yamaha MX - YZ125 2006
Yamaha MX - YZ125 2007
Yamaha MX - YZ125 2008
Yamaha MX - YZ125 2009
Yamaha MX - YZ125 2010
Yamaha MX - YZ125 2011
Yamaha MX - YZ125 2012
Yamaha MX - YZ125 2013
Yamaha MX - YZ125 2014
Yamaha MX - YZ125 2015
Yamaha MX - YZ125 2016
Yamaha MX - YZ125 2017
Yamaha MX - YZ125 2018
Yamaha MX - YZ125 2019
Yamaha MX - YZ125 2020
Yamaha MX - YZ250 1989
Yamaha MX - YZ250 1990
Yamaha MX - YZ250 1991
Yamaha MX - YZ250 1992
Yamaha MX - YZ250 1993
Yamaha MX - YZ250 1994
Yamaha MX - YZ250 1995
Yamaha MX - YZ250 1996
Yamaha MX - YZ250 1997
Yamaha MX - YZ250 1998
Yamaha MX - YZ250 1999
Yamaha MX - YZ250 2000
Yamaha MX - YZ250 2001
Yamaha MX - YZ250 2002
Yamaha MX - YZ250 2003
Yamaha MX - YZ250 2004
Yamaha MX - YZ250 2005
Yamaha MX - YZ250 2006
Yamaha MX - YZ250 2007
Yamaha MX - YZ250 2008
Yamaha MX - YZ250 2009
Yamaha MX - YZ250 2010
Yamaha MX - YZ250 2011
Yamaha MX - YZ250 2012
Yamaha MX - YZ250 2013
Yamaha MX - YZ250 2014
Yamaha MX - YZ250 2015
Yamaha MX - YZ250 2016
Yamaha MX - YZ250 2017
Yamaha MX - YZ250 2018
Yamaha MX - YZ250 2019
Yamaha MX - YZ250 2020
Yamaha MX - YZ250F 2001
Yamaha MX - YZ250F 2002
Yamaha MX - YZ250F 2003
Yamaha MX - YZ250F 2004
Yamaha MX - YZ250F 2005
Yamaha MX - YZ250F 2006
Yamaha MX - YZ250F 2007
Yamaha MX - YZ250F 2008
Yamaha MX - YZ250F 2009
Yamaha MX - YZ250F 2010
Yamaha MX - YZ250F 2011
Yamaha MX - YZ250F 2012
Yamaha MX - YZ250F 2013
Yamaha MX - YZ250F 2014
Yamaha MX - YZ250F 2015
Yamaha MX - YZ250F 2016
Yamaha MX - YZ250F 2017
Yamaha MX - YZ250F 2018
Yamaha MX - YZ250F 2019
Yamaha MX - YZ250F 2020
Yamaha MX - YZ250FX 2017
Yamaha MX - YZ250FX 2018
Yamaha MX - YZ250FX 2019
Yamaha MX - YZ250FX 2020
Yamaha MX - YZ400F 1998
Yamaha MX - YZ400F 1999
Yamaha MX - YZ426F 2000
Yamaha MX - YZ426F 2001
Yamaha MX - YZ426F 2002
Yamaha MX - YZ450F 2003
Yamaha MX - YZ450F 2004
Yamaha MX - YZ450F 2005
Yamaha MX - YZ450F 2006
Yamaha MX - YZ450F 2007
Yamaha MX - YZ450F 2008
Yamaha MX - YZ450F 2009
Yamaha MX - YZ450F 2010
Yamaha MX - YZ450F 2011
Yamaha MX - YZ450F 2012
Yamaha MX - YZ450F 2013
Yamaha MX - YZ450F 2014
Yamaha MX - YZ450F 2015
Yamaha MX - YZ450F 2016
Yamaha MX - YZ450F 2017
Yamaha MX - YZ450F 2018
Yamaha MX - YZ450F 2019
Yamaha MX - YZ450F 2020
Yamaha MX - YZ450FX 2016
Yamaha MX - YZ450FX 2017
Yamaha MX - YZ450FX 2018
Yamaha MX - YZ450FX 2019
Yamaha MX - YZ450FX 2020
Yamaha MX - YZ490 1984
Yamaha MX - YZ490 1985
Yamaha MX - YZ490 1986
Yamaha MX - YZ490 1987
Yamaha MX - YZ490 1988
Yamaha MX - YZ490 1990
Yamaha MX - YZ490 1989