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Race ready the minute you buy it, the KTM SX line is built with the incredible performance needed to compete and win in the super cross war. KTM is the only manufacturer to offer what most consider to be aftermarket racing parts stock on their off-road products, and the SX is no exception. Exclusive factory installed components include Hydraulic Magura Clutches, Brembo Brakes, FMF, Pro Circuit, and Akrapovic Exhausts, WP and Marzocchi Suspension, Excel Wheels, Pro Taper or Renthal bars, and many more. With the best components already installed, a racer can purchase a KTM SX, head straight to the track and be competitive.

KTM 250 SX-F

KTM 85 SX

KTM stands out from other manufacturers by offering way more for consumers to choose from than just the typical mini, 250cc, and 450cc engine sizes. The SX line is offered in almost every conceivable engine size as well as 2-stroke (SX) and 4-stroke (SX-F) making it considerably easier for growing or learning riders to transition from a small bike to a larger one.

 

 

KTM SX Specs

Tires, Battery, and Spark Plug

KTM 50 SX Specs

1998-2009 50 Mini

Front Tires 2.50x10

Rear Tires 2.50x10 (2000-2003)

Rear Tires 2.75x10 (2004-2009)

Battery None

Spark Plug B8HS (2000-2003)

Spark Plug BR8ECM (2004-2009)

KTM 50 SX Specs

1998-2009 50 JR/Pro JR

Front Tires 2.50x10

Rear Tires 2.50x10 (1998-2001)

Rear Tires 2.75x10 (2002-2009

Battery None

Spark Plug B8HS (1998-2001)

Spark Plug BR8HS & BR10EG (2002 Only)

Spark Plug BR8ECM (2003-2009)

KTM 50 SX Specs

1999-2007 50 SR/Pro SR

Front Tires 2.50x10

Rear Tires 2.50x10 (1998-2001)

Rear Tires 2.75x10 (2002-2007)

Battery None

Spark Plug B8HS (1999-2000)

Spark Plug BR8HS & BR10EG (2002 Only)

Spark Plug BR8ECM (2003-2007)

KTM 60 SX Specs

1998-2000 60 SX

Front Tires 60x100x14

Rear Tires 80x100x12

Battery None

Spark Plug BR10EG

KTM 65 SX Specs

1998-2009 65 SX

Front Tires 60x100x14

Rear Tires 80x100x12

Battery None

Spark Plug BR10EG (1998-2001)

Spark Plug BR8ECM (2002-2009)

KTM 85 SX Specs

2003-2009 85 SX (Small Wheel)

Front Tires 70x100x17

Rear Tires 90x100x14

Battery None

Spark Plug BR10ECMVX (2003-2006)

Spark Plug BR9EVX (2007 Only)

Spark Plug BR9ECMVX (2008-2009)

KTM 85 SX Specs

2003-2009 85 SX (Big Wheel)

Front Tires 70x100x19

Rear Tires 90x100x16

Battery None

Spark Plug BR10ECMVX (2003-2006)

Spark Plug BR9EVX (2007 Only)

Spark Plug BR9ECMVX (2008-2009)

KTM 105 SX Specs

2004-2009 105 SX

Front Tires 70x100x19

Rear Tires 90x100x16

Battery None

Spark Plug BR10ECMVX (2004-2006)

Spark Plug BR9EVX (2007 Only)

Spark Plug BR9ECMVX (2008-2009)

KTM 125 SX Specs

1998-2008 125 SX

Front Tires 80x100x21

Rear Tires 100x90x19

Battery None

Spark Plug R6918B-8 (1998-1999)

Spark Plug BR9EVX (2000-2007)

Spark Plug BR9ECMVX (2008)

KTM 144 SX Specs

2007-2008 144 SX

Front Tires 80x100x21

Rear Tires 100x90x19

Battery None

Spark Plug BR9ECMVX

KTM 150 SX Specs

2009 150 SX

Front Tires 80x100x21

Rear Tires 100x90x19

Batter None

Spark Plug BR9ECMVX

KTM 200 SX Specs

2003-2004 200 SX

Front Tires 800x100x21

Rear Tires 100x90x19

Batter None

Spark Plug BR9EVX

KTM 250 SX Specs

1998-2009 250 SX

Front Tires 80x100x21

Rear Tires 110x90x19

Battery None

Spark Plug BR8ECM

KTM 250 SX Specs

2005-2009 250 SX-F

Front Tires 80x100x21

Rear Tires 100x90x19

Battery None

Spark Plug CR9EKB

KTM 380 SX Specs

1998-2002 380 SX

Front Tires 80x100x21

Rear Tires 110x100x19

Battery None

Spark Plug BR8ECM

KTM 400 SX Specs

2000-2002 400 SX

Front Tires 80x100x21

Rear Tires 110x100x19

Battery None

Spark Plug CR8EK

KTM 450 SX Specs

2003-2006 450 SX (RFS)

Front Tires 80x100x21

Rear Tires 110x90x19

Battery None

Spark Plug DCPR8E

KTM 450 SX Specs

2007-2009 450 SX-F

Front Tires 800x100x21

Rear Tires 110x90x19

Battery YTX4L-BS (2007-2008)

Battery YTX5L-BS (2009)

Spark Plug CR9EKB

KTM 505 SX Specs

2008-2009 505 SX-F

Front Tires 80x100x21

Rear Tires 110x90x19

Battery YTX4L-BS

Spark Plug CR9EKB

KTM 520 SX Specs

2000-2002 520 SX

Front Tires 80x100x21

Rear Tires 110x100x19

Battery None

Spark Plug CR8EK

KTM 525 SX Specs

2003-2007 525 SX

Front Tires 800x100x21

Rear Tires 110x90x19

Battery None

Spark Plug DCPR8E

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