Dirt Racing

REAR SPROCKET STEEL [SILVER] 49 Teeth [JTR895.49] 428 GASGAS MC85 2021-2023 HUSQVARNA TC85 2014 - 2023 KTM SX85 SMALL WHEEL 2004-2023 SX85 BIG WHEEL 2004-2023 SX105 2007-2011 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Part No. SR441-49.S.DR   (radhouse.co.uk) Cross reference numbers ONLY. MX-89549, ALLOY 47010051049 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HUSQVARNA TC 85 2014-2017 HUSQVARNA TC 85 2018-2020 KTM SX 105 2007-2011

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REAR SPROCKET STEEL [SILVER] 46 Teeth [JTR895.46] 428 GASGAS MC85 2021-2023 HUSQVARNA TC85 2014 - 2023 KTM SX85 SMALL WHEEL 2004-2023 SX85 BIG WHEEL 2004-2023 SX105 2007-2011 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Part No. SR441-46.S.DR   (radhouse.co.uk) Cross reference numbers ONLY. MX-89546, ALLOY 47010051046   Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HUSQVARNA TC 85 2014-2017 HUSQVARNA TC 85 2018-2020 KTM SX 105 2007-2011

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REAR SPROCKET STEEL [SILVER] 43 Teeth [JTR1857.43] 520 Part No. SR437-43.S.DR (radhouse.co.uk) Fitment: YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26543

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REAR SPROCKET STEEL [SILVER] 41 Teeth [JTR1857.41] 520 Part No. SR437-41.S.DR (radhouse.co.uk) YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26541

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REAR SPROCKET STEEL [SILVER] 40 Teeth [JTR1857.40] 520 Part No. SR437-40.S.DR (radhouse.co.uk) Fitment: YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26540

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REAR SPROCKET STEEL [SILVER] 38 Teeth [JTR1857.38] 520 Part No. SR437-38.S.DR (radhouse.co.uk) Fitment: YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26538 Sprocket, Driven (38T) 5TG-25438-10-00 5TG-25438-00-00

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REAR SPROCKET STEEL [SILVER] 37 Teeth [JTR1857.37] 520 Part No. SR437-37.S.DR (radhouse.co.uk) Fitment: YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26537  

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Part No. SR437-36.S.DR (radhouse.co.uk) REAR SPROCKET STEEL [SILVER] 36 Teeth [JTR1857.36] 520 Fitment: YAMAHA ATV YFM250 Raptor 2008-2013 YFM250 Raptor Special Ed 2008-2011 YFM250 Raptor Special Ed 2 2008-2009 YFM350 Warrior 1987-1988 YFM Raptor 2004-2013 YFM350 RSE-W Raptor SE 2007 YFZ350 Banshee 1987-1988 YFZ450 2004-2013 YFZ450 Bill Ballance Ed 2007 YFZ450 SE Special Ed 2007-2008 YFZ450R 2009-2020 YFZ450 Special Ed 2013-2019 YFZ450 2010-2011 YFM700 Raptor 2005-2020 YFM700 Raptor Special Ed 2007-2018 YFM700 Raptor Gytr Ed 2007 YAMAHA Road XT600E (Fit front sprocket with original 6mm spacer) 1999-2003 Maximum strength sprockets at minimum weight, made with C45 steel high carbon steel. Each sprocket is heat-treated and finished by hand. Each sprocket is sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26536  

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The Rear Drive Sprocket SR301-53.S.DR is a 53-tooth steel sprocket designed for use with 520 chains. It features a dual-hole mounting pattern for compatibility with multiple Honda and Betamotor off-road and road models. Features Made with C45 high-carbon steel Each sprocket is heat treated and sandblasted to reduce surface tension Finished in Powder Coated Black or Silver BZP bright zinc plated Meets or exceeds industry compound standards Specifications Tooth Count: 53 Chain Size: 520 Fixing Holes: Countersunk CSK 8.5mm & CTB Plain 10.5mm Part No.: SR301-53.S.DR Cross-Reference OEM Part Numbers JTR301.53 JTR210.53 MX-80353 Vehicle Fitments Honda Off Road CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CR250 R-3 2003 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR125 RV 1997 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M-9, A 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-53.MX is a 53-tooth alloy sprocket built for 520 chain systems, offering lightweight performance and compatibility with a wide range of Honda and Betamotor off-road and road motorcycles. Features Made with 6065-T6 Aluminium Finished in Silver Designed to meet or exceed industry compound standards Specifications Tooth Count: 53 Chain Size: 520 Part No.: SR301-53.MX Cross-Reference OEM Part Numbers JTR301.53 Vehicle Fitments Honda Off Road CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CR250 R-3 2003 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS 1995 CR125 RV 1997 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M-9, A 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-52.S.DR is a 52-tooth steel sprocket built for 520 chain systems, featuring dual-hole mounting compatibility for Countersunk CSK 8.5 mm and CTB Plain 10.5 mm bolts. It is designed for a broad range of Honda off-road and road motorcycles, as well as various Betamotor models. Features Made with C45 high-carbon steel Heat treated and sandblasted to reduce surface tension Dual-hole design: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm Finished in Powder Coated Black or Bright Zinc Plated Silver Specifications Tooth Count: 52 Chain Size: 520 Part No.: SR301-52.S.DR Cross-Reference OEM Part Numbers JTR301.52 JTR210.52 MX-80352 SILVER Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 M-D, E, F 2013–2015 CRF250 R-A CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-51.S.DR is a 51-tooth steel sprocket designed for motorcycles using 520 chain systems. With dual-hole mounting compatibility, it is engineered for reliability in off-road and road applications across a wide range of Honda and Betamotor models. Features Made with C45 high-carbon steel Heat treated and sandblasted to reduce surface tension Dual-hole design: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm Finished in powder-coated black or bright zinc plated silver Specifications Tooth Count: 51 Chain Size: 520 Part No.: SR301-51.S.DR Cross-Reference OEM Part Numbers JTR301.51 JTR210.51 MX-80351 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 M-D, E, F 2013–2015 CRF250 R-A CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-50.S.DR is a 50-tooth steel sprocket designed for motorcycles using 520 chain systems. Featuring dual bolt-hole patterns for compatibility with various models, this sprocket is engineered for durability and consistent performance in off-road and on-road applications. Features Made with C45 high-carbon steel Heat treated and sandblasted to reduce surface tension Dual-hole design: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm Finished in powder-coated black or bright zinc plated silver Specifications Tooth Count: 50 Chain Size: 520 Part No.: SR301-50.S.DR Cross-Reference OEM Part Numbers JTR301.50 JTR210.50 L17-0250 MX-80350 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 M-D, E, F 2013–2015 CRF250 R-A CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-49.S.DR is a 49-tooth steel sprocket designed for 520 chain systems, suitable for various Honda off-road, dual-sport, and Betamotor motorcycles. It features a dual-pattern bolt hole design to accommodate different mounting types. Features Made with C45 high-carbon steel Heat treated and sandblasted to reduce surface tension Dual-hole design: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm Finished in powder-coated black or bright zinc plated silver Specifications Tooth Count: 49 Chain Size: 520 Part No.: SR301-49.S.DR Cross-Reference OEM Part Numbers JTR301.49 JTR210.49 L17-0249 MX-80349 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 M-D, E, F 2013–2015 CRF250 R-A CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-48.S.DR is a 48-tooth steel sprocket designed for 520 chain applications. It features a dual-hole pattern with both countersunk and plain fixing holes, offering compatibility with a wide range of Honda off-road and dual-sport motorcycles, as well as select Betamotor models. Features Made with C45 high-carbon steel Heat treated and sandblasted to reduce surface tension Finished in powder-coated black or bright zinc plated silver Dual-hole design: Countersunk (CSK 8.5 mm) and CTB Plain (10.5 mm) Specifications Tooth Count: 48 Chain Size: 520 Part No.: SR301-48.S.DR Cross-Reference OEM Part Numbers JTR301.48 JTR210.48 L17-0248 MX-80348 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-47.MX is a 47-tooth alloy sprocket for 520 chain applications. Manufactured from high-strength 6065-T6 aluminium, it provides a lightweight and durable solution for a wide range of Honda off-road and dual-sport motorcycles, as well as selected Betamotor models. Features Made with 6065-T6 aluminium Finished in silver (see image) Meets or exceeds industry compound standards Direct OEM replacement Specifications Tooth Count: 47 Chain Size: 520 Part No.: SR301-47.MX Cross-Reference OEM Part Numbers JTR301.47 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS 1995 CR250 R-3 2003 CRF150 F 2003–2018 CRF230 L 2008–2009 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R 2004–2018 CRF450 RX 2017–2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 1990–2004 XR250 Baja XR250 RT, RV, RW, RX, RY, R-1, R-2, R-3, R-4 1996–2004 XR400 1996–2005 XR600 1991–2001 XR650 1993–2017 XR650 R-Y, 1, 2, 3, 4.5, 6, 7 2000–2007 XR650 L-J 2018 Honda Road CRF230 M 2009–2010 XR250 S 1996 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-45.S.DR is a 45-tooth steel sprocket compatible with 520 chain systems. It features dual mounting hole patterns (Countersunk CSK 8.5 mm and CTB Plain 10.5 mm) for versatile fitment. Constructed from C45 high-carbon steel, the sprocket is heat-treated, sandblasted, and finished in either powder-coated black or bright zinc plating for durability and corrosion resistance. Features Made with C45 high-carbon steel Heat-treated and sandblasted to reduce surface tension Dual bolt pattern: Countersunk 8.5 mm & Plain 10.5 mm Finished in powder-coated black or silver BZP Meets or exceeds motorcycle industry compound standards Direct OEM replacement Specifications Tooth Count: 45 Chain Size: 520 Mounting: Dual fitment (CSK 8.5 mm and CTB 10.5 mm) Part No.: SR301-45.S.DR Cross-Reference OEM Part Numbers JTR301.45 JTR210.45 L17-0245 MX-80345 Vehicle Fitments Honda Off Road CRF150 F-3,4,5 2003–2005 CRF150 F-6 to F-J 2006–2018 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R-4 to R-E 2004–2014 CRF450 R-F to R-J 2015–2018 CRF450 RX-H, J 2017–2018 CR250 R-3 2003 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR125 RV 1997 XR250 1990–2004 XR250 RT to R-4 1996–2004 XR400 RT to R-4 1996–2004 XR600 1991–2001 XR650 1993–2017 XR650 R-Y to R-7 2000–2007 XR650 L-J 2018 XR250 III S (Baja) 1996 XR250 S 1996 XR250 Baja CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 Honda Road CRF230 M-9, A 2009–2010 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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Cross reference numbers ONLY. JTR301.44, JTR30144, JTR210.44, JTR21044, L17-0244, MX-80344, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-42.S.DR is a 42-tooth steel sprocket designed for 520 chain applications. It features dual mounting hole configurations (countersunk CSK 8.5 mm and plain CTB 10.5 mm) for broad compatibility. Constructed from C45 high-carbon steel, it is heat-treated and sandblasted for durability and stress resistance, and finished in either powder-coated black or bright zinc plating. Features Made with C45 high-carbon steel Heat-treated and sandblasted to reduce surface tension Dual bolt pattern: Countersunk 8.5 mm & Plain 10.5 mm Finished in powder-coated black or silver BZP Meets or exceeds motorcycle industry compound standards Direct OEM replacement Specifications Tooth Count: 42 Chain Size: 520 Mounting: Dual fitment (CSK 8.5 mm and CTB 10.5 mm) Part No.: SR301-42.S.DR Cross-Reference OEM Part Numbers JTR301.42 JTR210.42 L17-0242 MX-80342 Vehicle Fitments Honda Off Road CRF150 F-3,4,5 2003–2005 CRF150 F-6 to F-J 2006–2018 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R-4 to R-E 2004–2014 CRF450 R-F to R-J 2015–2018 CRF450 RX-H, J 2017–2018 CR250 R-3 2003 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR125 RV 1997 XR250 1990–2004 XR250 RT to R-4 1996–2004 XR400 RT to R-4 1996–2004 XR600 1991–2001 XR650 1993–2017 XR650 R-Y to R-7 2000–2007 XR650 L-J 2018 XR250 III S (Baja) 1996 XR250 S 1996 XR250 Baja CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 Honda Road CRF230 M-9, A 2009–2010 XL250 S2, 3S2MD30 XL250ME06 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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The Rear Drive Sprocket SR301-39.S.DR is a 39-tooth steel sprocket compatible with 520 chain size, featuring dual-fitment mounting holes: countersunk (CSK 8.5 mm) and plain (CTB 10.5 mm). It is constructed from high-carbon C45 steel, heat-treated, and finished in black powder coat or bright zinc plating for durability and corrosion resistance. Features Made with C45 high-carbon steel Heat-treated and sandblasted to reduce surface tension Dual bolt pattern: Countersunk 8.5 mm & Plain 10.5 mm Finished in powder-coated black or silver BZP Meets or exceeds motorcycle industry compound standards Direct OEM replacement Specifications Tooth Count: 39 Chain Size: 520 Mounting: Dual fitment (CSK 8.5 mm and CTB 10.5 mm) Part No.: SR301-39.S.DR Cross-Reference OEM Part Numbers JTR301.39 JTR210.39 Vehicle Fitments Honda Off Road CR125 RV 1997 CR250 RN, RP 1992–1993 CR250 RR 1994 CR250 RS CR250 R-3 2003 CRF150 F-3,4,5 2003–2005 CRF150 F-6 to F-J 2006–2018 CRF250 R-A CRF250 M-D, E, F 2013–2015 CRF250L 2013–2016 CRF450 R-4 to R-E 2004–2014 CRF450 R-F to R-J 2015–2018 CRF450 RX-H, J 2017–2018 XR250 RT to R-4 1996–2004 XR400 RT to R-4 1996–2004 XR600 1991–2001 XR650 R-Y to R-7 2000–2007 XR650 L-J 2018 CRM250 K, K2, L CRM250 RP2MD24 CRM250 ARMD32 XR250 III S (Baja) 1996 XR250 S 1996 XR250 Baja Honda Road CRF230 M-9, A 2009–2010 XL250ME06 XL250 S2, 3S2MD30 Betamotor Off Road 250 RR 2T 2013–2018 300 RR 2T 2013–2018 390 RR 2015–2018 390 RS 2015–2016 430 RR 2015–2018 430 RS 2015–2016 450 RR 2013–2014 480 RR 2015–2018 498 RR 2013–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA XR 250 1996-2004 HONDA CRF L 250 2013-2016 HONDA XR 400 1996-2005

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Part No.           SR245-53.S.DR     (radhouse.co.uk) Cross reference numbers. PSYCHIC MX-42653 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 426 2000-2002 YAMAHA YZ F 400 1999 YAMAHA YZ F 450 2003-2004 YAMAHA YZ F 450 2005 YAMAHA YZ 125 2005-2020 YAMAHA YZ 250 1999-2019 YAMAHA YZ 125 1999-2019 YAMAHA YZ F 250 2001-2019 YAMAHA YZ F 450 2003-2019 YAMAHA WR F 450 2003-2019 YAMAHA YZ F 450 2006-2009 YAMAHA WR F 450 2003-2016 YAMAHA WR F 250 2001-2019 YAMAHA YZ F 450 2010-2019 YAMAHA YZ 125 1999-2004 HONDA XL 250 1982-1987 HONDA XR 250 1979-1983 YAMAHA YZ 426 2000-2002 YAMAHA YZ F 450 2017-2019 YAMAHA YZ 250 1977-2019 YAMAHA YZ 400 1977-2002 YAMAHA WR F 400 1999-2002 YAMAHA WR F 426 1999-2002 YAMAHA WR 250 2000-2006 YAMAHA WR F 250 2001-2007 YAMAHA WR F 250 2008-2019 HONDA XR R 600 1983-1990 HONDA XL 500 1979-1984 HONDA XL 600 1984-1994

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Part No.           SR245-52.S.DR     (radhouse.co.uk) Cross reference numbers. PSYCHIC MX-42652   Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 426 2000-2002 YAMAHA YZ F 400 1999 YAMAHA YZ F 450 2003-2004 YAMAHA YZ F 450 2005 YAMAHA YZ 125 2005-2020 YAMAHA YZ 250 1999-2019 YAMAHA YZ 125 1999-2019 YAMAHA YZ F 250 2001-2019 YAMAHA YZ F 450 2003-2019 YAMAHA WR F 450 2003-2019 YAMAHA YZ F 450 2006-2009 YAMAHA WR F 450 2003-2016 YAMAHA WR F 250 2001-2019 YAMAHA YZ F 450 2010-2019 YAMAHA YZ 125 1999-2004 HONDA XL 250 1982-1987 HONDA XR 250 1979-1983 YAMAHA YZ 426 2000-2002 YAMAHA YZ F 450 2017-2019 YAMAHA YZ 250 1977-2019 YAMAHA YZ 400 1977-2002 YAMAHA WR F 400 1999-2002 YAMAHA WR F 426 1999-2002 YAMAHA WR 250 2000-2006 YAMAHA WR F 250 2001-2007 YAMAHA WR F 250 2008-2019 HONDA XR R 600 1983-1990 HONDA XL 500 1979-1984 HONDA XL 600 1984-1994

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