Sunstar 520 Front Countershaft Sprocket

520 Front Countershaft Sprocket

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Rating 4.73 of 5 (20 Reviews)

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Product Information

Sunstar 520 Front Countershaft Sprocket
  • Designed for 520 size OEM replacements or suitable conversions to 520 size chain and sprockets
  • Manufactured from case-hardened chromoly steel for the ultimate in strength and durability
  • “Parkerizing” surface treatment for rust and corrosion resistance
  • The excellent original equipment quality you expect from the Sunstar brand
**Note:
  • Bike specific, item may vary from image
  • 96-09 DR650SE is a 525 to 520 conversion

    **Closeouts are limited to stock on hand**
  • Item # 18225
  • SKU #
  • Mfr. Part #

FitmentView All

Arctic Cat Models

  • DVX 400 : 2004–2008

Beta Models

  • 250 RR : 2006
  • 250 RR 2-Stroke : 2013
  • 350 RR : 2012–2014
  • 400 RR : 2006, 2008–2014
  • 450 RR : 2006, 2008–2014
  • 498 RR : 2012–2014
  • 520 RR : 2010–2011
  • 525 RR : 2006, 2008–2009

Honda Models

  • ATC185 : 1980
  • ATC185S : 1981–1983
  • ATC200 : 1981–1983
  • ATC200M : 1984–1985
  • ATC200S : 1986
  • ATC200X : 1983–1987
  • ATC250R : 1983–1984, 1986
  • ATC350X : 1986
  • CB300F : 2015–2016
  • CBR1000RR : 2004–2011
  • CBR250R : 2011–2013
  • CBR250R ABS : 2011–2012
  • CBR300R : 2015
  • CBR300R ABS : 2015
  • CBR600F4i : 2001–2006
  • CBR600RR : 2003–2015
  • CBR600RR ABS : 2009–2012, 2014
  • CBR929RR : 2000–2001
  • CBR954RR : 2002–2003
  • CM250C Custom : 1982
  • CR125R : 1981–1982, 1987–2007
  • CR250R : 1981–2007
  • CR450R : 1981
  • CR480R : 1982–1983
  • CR500R : 1984–2001
  • CRF150F : 2003–2009, 2012–2016
  • CRF230F : 2003–2009, 2012–2016
  • CRF230L : 2008–2009
  • CRF230M : 2009
  • CRF250L : 2013–2014
  • CRF250R : 2004–2016
  • CRF250X : 2004–2009, 2012–2013, 2015–2016
  • CRF450R : 2002–2016
  • CRF450X : 2005–2010, 2012–2016
  • Fat Cat 200 : 1986–1987
  • Nighthawk 250 : 1991–1996, 1999–2009
  • NX650 : 1988–1989
  • RC51 : 2000–2006
  • Rebel 250 : 1985–1987, 1996–2009
  • TLR200 Reflex : 1986–1987
  • TRX200 : 1990–1991
  • TRX200D : 1991–1997
  • TRX200SX : 1986–1988
  • TRX250R : 1986–1989
  • TRX250X : 1987–1988, 1991–1992
  • TRX300EX : 1993–2009
  • TRX300X : 2009
  • TRX400EX : 1999–2008
  • TRX400X : 2009, 2012–2014
  • TRX450ER : 2006–2009, 2012–2014
  • TRX450R : 2004–2009
  • TRX700XX : 2008–2009
  • XL200R : 1983
  • XL250R : 1982–1983, 1986–1987
  • XL250S : 1978–1981
  • XL350R : 1984–1985
  • XL500R : 1982
  • XL500S : 1979–1981
  • XL600R : 1986–1987
  • XR200 : 1980–1984
  • XR200R : 1981–1988, 1990–1991, 1993–2002
  • XR250L : 1992–1996
  • XR250R : 1986–2004
  • XR350 : 1983–1985
  • XR400R : 1996–2004
  • XR500R : 1981–1984
  • XR600R : 1986–2000
  • XR650L : 1993–2009, 2012
  • XR650R : 2000–2007

Husaberg Models

  • FE 390 : 2010–2011
  • FE250 : 2013
  • FE450 : 2009–2011
  • FE570 : 2009–2011
  • FX450 : 2010–2011
  • TE 250 : 2012
  • TE 300 : 2012

Husqvarna Models

  • CR250 : 1999–2002
  • FE 250 : 2014–2016
  • SM610 : 2008–2009
  • SM610S : 2000, 2002
  • SMR450 : 2003–2005, 2008
  • SMR510 : 2005–2008
  • TC 250 : 2002–2012
  • TC 250R : 2013
  • TC 450 : 2002, 2004–2010
  • TC 510 : 2005–2009
  • TC 570 : 2001
  • TC 610 : 1998–2000
  • TE 250 : 2011
  • TE 400 : 2001
  • TE310 : 2011–2013
  • TE450 : 2007–2010
  • TE570 : 2001–2002
  • TE610 : 1998–2000, 2009
  • TE610E Dual Sport : 2006
  • TXC 450 : 2008–2010
  • TXC 510 : 2009–2010
  • WR250 : 1999–2002, 2006–2012
  • WR300 : 2009–2012

Kawasaki Models

  • Eliminator 250 : 1988–1989, 1991–1993
  • ER-6n : 2009–2010
  • EX500 : 1987–1993
  • GPz550 : 1984
  • KDX175 : 1980–1982
  • KDX200 : 1983–2006
  • KDX220 : 1997–2005
  • KDX250 : 1980–1984, 1991–1994
  • KDX400 : 1979–1980
  • KDX420 : 1981
  • KDX450 : 1982
  • KFX400 : 2003–2006
  • KFX450R : 2008–2011, 2013–2014
  • KL600 : 1985–1986
  • KLR250 : 1986–2005
  • KLR650 : 1987–2015
  • KLX250R : 1994–1996
  • KLX250S : 2006–2007, 2009–2010, 2012–2014
  • KLX250SF : 2009–2010
  • KLX300R : 1997–2007
  • KLX400 : 2003
  • KLX400R : 2003
  • KLX400S : 2003
  • KLX400SR : 2003
  • KLX450R : 2008–2009
  • KLX650 : 1993–1996
  • KLX650R : 1993–1996
  • KSF80 : 2003–2006
  • KX125 : 1986–2005
  • KX250 : 1982, 1986–2007
  • KX250F : 2004–2014
  • KX420 : 1980–1981
  • KX450F : 2006–2016
  • KX450F Monster Energy : 2009
  • KX500 : 1984–2004
  • KXF Tecate 250 : 1987–1988
  • KXT Tecate 250 : 1984–1986
  • KZ200 : 1978–1979
  • KZ250 : 1980–1981
  • Lakota 300 : 1995–2003
  • Mojave 250 : 1987–2004
  • Ninja 1000 : 2011–2012
  • Ninja 250R : 1986–1990, 1992–2012
  • Ninja 300 : 2013–2015
  • Ninja 300 ABS : 2014–2015
  • Ninja 500 : 1994–1996
  • Ninja 500R : 1997–2009
  • Ninja 650 : 2012–2014
  • Ninja 650 ABS : 2014
  • Ninja 650R : 2006–2011
  • Ninja ZX-10R : 2004–2012
  • Ninja ZX-6 : 1990–2002
  • Ninja ZX-6R : 1998–2014
  • Ninja ZX-6R ABS : 2014
  • Ninja ZX-6R Monster Energy : 2009
  • Ninja ZX-6RR : 2003–2006
  • Ninja ZX-7R : 1996–2003
  • Ninja ZX-7RR : 1996–1997
  • Versys : 2008–2013
  • Vulcan 500 : 1996
  • Vulcan 500 LTD : 1996–2009
  • Z750S : 2005–2006
  • Zephyr 550 : 1990–1993
  • ZZR600 : 2005–2008

KTM Models

  • 125 EXC : 1989–2007
  • 125 MX : 1987–1991
  • 125 SX : 1992–2009, 2011–2015
  • 125 SXS : 2001–2002
  • 144 SX : 2007–2008
  • 150 SX : 2009–2014
  • 150 XC : 2010–2012
  • 200 EXC : 1998–2005, 2010–2011
  • 200 MXC : 1998–2003
  • 200 SX : 1998–2004
  • 200 XC : 2006–2009
  • 200 XC-W : 2006–2012, 2015
  • 250 DXC : 1989–1992
  • 250 EXC : 1989–2005, 2010–2011
  • 250 MX : 1986–1991
  • 250 MXC : 1986, 1998–2001
  • 250 SX : 1992–2015
  • 250 SX-F : 2005–2015
  • 250 SXS : 2003–2007
  • 250 SXS-F : 2006–2007
  • 250 XC : 2006–2012
  • 250 XC-F : 2007–2009, 2011–2015
  • 250 XCF-W : 2006–2010, 2012–2015
  • 250 XCF-W Six Days : 2011
  • 250 XC-W : 2006–2012, 2015
  • 300 EXC : 1990–2006, 2010–2011
  • 300 MX : 1990–1992
  • 300 MXC : 1993–2005
  • 300 SX : 1992
  • 300 TXC : 1991–1992
  • 300 XC : 2006–2012, 2014–2016
  • 300 XC-W : 2006–2015
  • 350 EXC : 1989–1990
  • 350 EXC-F : 2012–2015
  • 350 MX : 1989
  • 350 MXC : 1986
  • 350 SX-F : 2011–2015
  • 350 XC-F : 2011–2015
  • 350 XCF-W : 2012–2015
  • 360 EXC : 1996–1997
  • 360 MXC : 1996–1997
  • 360 SX : 1996–1997
  • 380 EXC : 1998–2002
  • 380 MXC : 1998–2001
  • 380 SX : 1998–2002
  • 400 EXC : 2000–2002, 2004–2006, 2010–2011
  • 400 EXC-G Racing : 2007
  • 400 LC4 : 1995, 1997–1998, 2000
  • 400 MXC : 2001–2002
  • 400 RXC : 1996–1998
  • 400 SX : 1998
  • 400 SX Racing : 2000–2002
  • 400 XC-W : 2009–2010
  • 440 EXC : 1994–1995
  • 440 MXC : 1994–1995
  • 450 EXC : 2007, 2009–2011
  • 450 EXC-G Racing : 2003–2006
  • 450 EXC-R : 2008
  • 450 MXC : 2003–2005
  • 450 MXC-G Racing : 2007
  • 450 SMR : 2005–2006
  • 450 SX : 2003–2007
  • 450 SX ATV : 2009
  • 450 SX-F : 2008–2015
  • 450 SX-F Factory Edition : 2012
  • 450 SXS : 2006
  • 450 XC : 2007
  • 450 XC ATV : 2008–2009
  • 450 XC-F : 2008–2009, 2015
  • 450 XC-W : 2012–2015
  • 450 XC-W Racing : 2009
  • 500 DXC : 1989
  • 500 EXC : 2012–2015
  • 500 MX : 1986–1991
  • 500 MXC : 1986
  • 500 SX : 1992
  • 505 SX ATV : 2009
  • 505 SX-F : 2007–2008
  • 505 XC-F : 2008–2009
  • 520 EXC Racing : 2000–2002
  • 520 MXC Racing : 2001–2002
  • 520 SX Racing : 2000–2002
  • 525 EXC-G Racing : 2003–2006
  • 525 MXC-G Racing : 2003–2005
  • 525 SMC : 2004
  • 525 SX : 2005–2006
  • 525 SX Racing : 2003–2004
  • 525 XC : 2006
  • 525 XC ATV : 2008–2009
  • 525 XC-G Racing : 2007
  • 525 XC-W : 2007
  • 530 EXC : 2009–2011
  • 530 EXC-R : 2008
  • 530 XC-W Racing : 2008–2010
  • 540 DXC : 1990–1991
  • 550 DXC : 1992
  • 550 MXC : 1993–1996
  • 560 SMR : 2006
  • 600 DXC : 1990
  • 600 MX : 1988–1990
  • 620 Duke : 1996–1997
  • 620 LC4 : 1995, 1997–1998
  • 620 RXCe : 1996–1998
  • 620 SX : 1996–1998
  • 625 SMC : 2004–2006
  • 625 SXC : 2003–2004
  • 660 SMC : 2004
  • 690 Duke : 2008–2010
  • 690 Enduro : 2008
  • 690 Enduro R : 2009
  • 690 SMC : 2008–2010
  • 690 Supermoto : 2007–2008
  • LC4 640 Adventure : 2002–2003
  • LC4 640 Duke II : 2000–2002

Polaris Models

  • 300 : 1995
  • 300 4x4 : 1994–1995
  • 400L : 1994–1995
  • 400L 4x4 : 1994
  • Big Boss 250 4x6 : 1989–1992
  • Big Boss 250 6x6 : 1991–1992
  • Big Boss 300 6x6 : 1994
  • Big Boss 400 6x6 : 1994–1997
  • Big Boss 500 6x6 : 1998–1999
  • Cyclone 250 : 1987
  • Magnum 425 : 1995–1998
  • Magnum 425 4x4 : 1995–1998
  • Magnum 425 6x6 : 1996
  • Outlaw 450 MXR : 2008–2009
  • Outlaw 525 IRS : 2007–2011
  • Outlaw 525 S : 2008–2010
  • Predator 500 : 2005–2007
  • Scrambler 250 : 1986
  • Scrambler 400 : 2001
  • Scrambler 400 4x4 : 1995–1997, 2000–2001
  • Scrambler 500 : 2001–2002
  • Scrambler 500 4x4 : 2000–2006, 2008–2012
  • Sport 400 : 1994–1999
  • Sportsman 400 4x4 : 1994–1996
  • Trail Blazer 250 : 1990–2006
  • Trail Boss 250 : 1986–1999
  • Trail Boss 250 4x4 : 1989–1990
  • Trail Boss 325 : 2000–2002
  • Trail Boss 330 : 2003–2006
  • Trail Boss 350 : 1990–1993
  • Trail Boss 350 4x4 : 1990–1993
  • Xplorer 300 : 1996–1999
  • Xplorer 400 4x4 : 1995, 2000–2001
  • Xpress 300 : 1996–1999
  • Xpress 400 : 1996

Suzuki Models

  • Bandit 600S : 1996–2003
  • DR200 : 1986–1988
  • DR200SE : 1996–2009, 2013
  • DR250 : 1990–1993
  • DR250S : 1990–1992
  • DR250SE : 1993–1995
  • DR350 : 1990–1999
  • DR350S : 1990–1993
  • DR350SE : 1994–1999
  • DR650S : 1990–1993
  • DR650SE : 1994–2009, 2011–2012
  • DR-Z250 : 2001–2007
  • DR-Z400 : 2000–2007
  • DR-Z400E : 2000–2007
  • DR-Z400S : 2000–2009, 2011–2014
  • DR-Z400SM : 2005–2009, 2013–2015
  • Gladius : 2009
  • GS500E : 1989–2002
  • GS500F : 2004–2009
  • GS650E : 1981–1982
  • GSX-R1000 : 2001–2008
  • GSX-R600 : 1992–1993, 2001–2009, 2011–2012
  • GSX-R750 : 2000–2009, 2011–2012
  • Katana 600 : 1989–2006
  • Katana 750 : 1989–2006
  • Marauder 800 : 1997–2004
  • QuadRacer 250R : 1986–1992
  • QuadRacer 500R : 1987–1990
  • QuadRacer R450 : 2006–2009
  • QuadRunner 160 : 1989–1991
  • QuadRunner 160F : 1991–2001
  • QuadRunner 185 : 1986–1987
  • QuadRunner 230 : 1987–1989, 1991–1993
  • QuadSport 230 : 1986–1988
  • QuadSport 250 : 1989–1990
  • QuadSport 80 : 1989–2006
  • QuadSport Z400 : 2003–2009, 2012–2013
  • RF600R : 1994–1996
  • RF900R : 1994–1997
  • RM125 : 1980, 1984, 1986–2007
  • RM250 : 1986–2008
  • RMX250 : 1989–1998
  • RMX450Z : 2010
  • RM-Z250 : 2004–2014
  • RM-Z450 : 2005–2016
  • SP200 : 1986–1988
  • SV1000 : 2003–2006
  • SV1000S : 2003–2007
  • TL1000R : 1998–2003
  • TL1000S : 1998–2001
  • V-Strom 1000 : 2002–2009, 2012
  • V-Strom 650 : 2004–2009
  • V-Strom 650 ABS : 2007–2009, 2011

Yamaha Models

  • Banshee 350 : 1987–2006
  • Blaster 200 : 1988–2006
  • Breeze 125 : 1989–2004
  • BW200 Big Wheel : 1986–1988
  • BW350 Big Wheel : 1987–1988
  • DT250 : 1974–1977
  • DT360 : 1974
  • DT400 : 1975–1977
  • FZ1 : 2001–2015
  • FZ6 : 2004–2008
  • Grizzly 125 Automatic : 2004–2012
  • IT200 : 1986
  • IT250 : 1977–1983
  • IT400 : 1976–1979
  • IT425 : 1980
  • IT465 : 1981–1982
  • IT490 : 1983–1984
  • Raptor 350 : 2004–2013
  • Raptor 660R : 2001–2005
  • Raptor 700 : 2014
  • Raptor 700R : 2006–2009, 2011, 2013–2014
  • Raptor 700R SE : 2014
  • RZ350 : 1984–1985
  • SR250 Exciter : 1980–1982
  • SRX600 : 1986
  • TDM850 : 1992–1993
  • TT350 : 1986–1987
  • TT500 : 1977–1981
  • TT600 : 1986
  • TT-R230 : 2005–2009, 2011–2016
  • TT-R250 : 1999–2006
  • TY350 : 1986
  • V Star 250 : 2008–2012, 2014
  • Virago 250 : 1995–2007
  • Warrior 350 : 1987–2004
  • WR200 : 1992
  • WR250F : 2001–2009, 2011–2013
  • WR250R : 2008–2014
  • WR250X : 2008–2011
  • WR400F : 1998–2000
  • WR426F : 2001–2002
  • WR450F : 2003–2009, 2011–2014
  • WR500 : 1992–1993
  • XT250 : 2008–2015
  • XT550 : 1982–1983
  • XT600 : 1986–1989
  • YFZ450 : 2004–2009, 2012
  • YFZ450 Balance : 2006–2007
  • YFZ450 SE : 2007–2008
  • YFZ450R : 2009–2013
  • YFZ450R SE : 2009–2013
  • YFZ450X : 2010–2011
  • YFZ450X SE : 2011
  • YZ125 : 1976–1979, 1986–2014
  • YZ250 : 1983, 1986–2016
  • YZ250F : 2001–2016
  • YZ250WR : 1989–1990
  • YZ400 : 1977–1979
  • YZ400F : 1998–1999
  • YZ426F : 2000–2002
  • YZ450F : 2003–2016
  • YZ465 : 1980–1981
  • YZ490 : 1982–1990
  • YZF600R : 1995–2006
  • YZF-R1 : 1998–2014
  • YZF-R1 LE : 2006

Product Reviews 1 - 15 of 20

Overall Rating: 4.73 of 5

(20 Reviews)
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What Other Riders Are Saying...

Fit

Quality

Installation

Recommend

Much better than stock!

Much better than the stock version I had on my bike. (79 Honda XL 500s) Fits perfect and is pretty durable.

Marlin - August 8, 2016

(Lehi, UT)

Fit

Quality

Installation

Recommend

Great looking sprocket

Great looking sprocket and fit perfect on my ninja. Nice an quite at a great price an gave me alil more grunt. Thanks guys!

Kyle - June 13, 2016

(Springfield , MO)

Fit

Quality

Installation

Recommend

Ride the trails with control.

Smaller sprocket made the bike grip the trails with ease. You loose speed on the main roads but it worth it! Ride on!

Michael - April 15, 2016

(Hopatcong, NJ)

Fit

Quality

Installation

Recommend

Worked Great

I replaced my Front and Rear Sprocket along with a new Chain and everything is working great with no more noise in the sprocket chain area like it was before.

Dan - March 10, 2016

(Ray City, GA)

Fit

Quality

Installation

Recommend

Front sprocket

Only used it a little but it installed easily and fits the chain well.

brian - May 18, 2015

(nampa, ID)

Fit

Quality

Installation

Recommend

Lower RPM SPROCKET

Easy to install and good fit. Lower rpm on the highway at 70 mph.

David K - April 28, 2015

(Granger, IA)

Fit

Quality

Installation

Recommend

Seems pretty good

I got this for my KLR 650. It fit good and the finish seems like good quality. I have only used it for 400ish miles but seems great so far. I don't suspect I will have any issues with it and, as of now, would buy again.

michael - October 24, 2014

(Virginia Beach, VA)

Fit

Quality

Installation

Recommend

Great

Reduced RPMs and was easy to install.

Jimmy - July 29, 2014

(Frederick, MD)

Fit

Quality

Installation

Recommend

Quality sprocket

Much better than the lightweight budget sprocket I bought first.

Pete - December 16, 2013

(Los Angeles, CA)

Fit

Quality

Installation

Recommend

Sun Star sprcket

Sun Star sprockets are the only ones I ever use.

Bob - January 24, 2013

(Everett, WA)

Fit

Quality

Installation

Recommend

It works good, love it

It's a sprocket, and it works well. Buy it, gives me piece of mind and installed with new chain.

Jonathan - November 14, 2012

(Fresno, CA)

Fit

Quality

Installation

Recommend

great product bad fitment chart

I like the product company they’re great, but going by the fitment chart from the site the sprocket didn’t fit.

david - October 31, 2012

(penacook, NH)

Fit

Quality

Installation

Recommend

Front Sprocket

Great product and price

Dave - June 22, 2012

(Hampton, VA)

Fit

Quality

Installation

Recommend

sprocket

Good service & delivery. Thought I'd try one tooth higher than stock 16 on my gs500f. Lowered rpm about 500 at the same previous speed and shifting intervals seem smoother. I'd recommend it depending on your riding style.

k s - September 29, 2011

(upland, CA)

Fit

Quality

Installation

Recommend

sprocket

Thanks for the great product and the fast service. Will definitely use your service again.

Terry V. - August 22, 2011

(Pekin, IL)
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