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50 Tooth Rear Sprocket 520 Chain Compatible With 1985-2025 Kawasaki Kx 125 Kx 250 (2-Stroke) Kx 500

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RSK-014-50A2
OEM PART NUMBERS:
• Kawasaki: 42041-1408 / 420411408 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1450 / 420411450 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1449 / 420411449 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1447 / 420411447 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1448 / 420411448 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1451 / 420411451 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1194 / 420411194 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1258 / 420411258 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1274 / 420411274 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1328 / 420411328 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1329 / 420411329 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1382 / 420411382 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1383 / 420411383 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)
• Kawasaki: 42041-1384 / 420411384 (OEM 49T Rear Sprocket - Same Bolt Pattern Fitment)

SPROCKET SPECIFICATIONS:
• Type: Rear (Drive) Sprocket
• Position: Rear (Drive)
• Number of Teeth: 50
• Chain Size: 520 Pitch
• Material: Steel
• Bolt Pattern: 4-Bolt
• Gearing Change: 50T vs Stock 49T = More Low-End Torque / Higher Final Drive Ratio (1T over stock)
• Condition: New

KAWASAKI APPLICATIONS:
• KX 125 124cc 2-Stroke 40HP Motocross (1985-2005)
• KX 250 249cc 2-Stroke 55HP Motocross (1985-2007)
• KX 500 499cc 2-Stroke 66HP Motocross (1985-2004)
• KX-F 250 249cc DOHC 4-Stroke 42HP Motocross (2004-2024)
• KX-F 450 449cc DOHC 4-Stroke 55HP Motocross (2006-2025)
• KX-SR 450 449cc DOHC 4-Stroke 55HP Supermoto (2022-2023)

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Sale: $61.33
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Description

KAWASAKI KX 125 / KX 250 / KX 500 / KX-F 250 / KX-F 450 / KDX 200 / KDX 220 / KDX 250 / KLX 250 / KLX 300 / KLX 450 / KLX 650 Motorcycle - ALL MODELS:

KX 125:
• Kawasaki KX 125 124cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 40HP Motocross (1985-2005)

KX 250 (2-STROKE):
• Kawasaki KX 250 249cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 55HP Motocross (1985-2007)

KX 500:
• Kawasaki KX 500 499cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 66HP Motocross (1985-2004)

KX-F 250 (KX250F):
• Kawasaki KX-F 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 42HP Motocross (2004-2024)

KX-F 450 (KX450F):
• Kawasaki KX-F 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 55HP Motocross (2006-2025)

KX-SR 450:
• Kawasaki KX-SR 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 55HP Supermoto Racer (2022-2023)

KX-X 250:
• Kawasaki KX-X 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 42HP Cross-Country (2021-2024)

KX-X 450:
• Kawasaki KX-X 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 55HP Cross-Country (2021-2025)

KX-XC 450:
• Kawasaki KX-XC 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 55HP Cross-Country (2021-2023)

KDX 200:
• Kawasaki KDX 200 198cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 37HP Enduro (1985-2006)

KDX 220:
• Kawasaki KDX 220 216cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 42HP Enduro (1997-2005)

KDX 250:
• Kawasaki KDX 250 249cc 1-Cyl Reed-Valve 2-Stroke Liquid-Cooled 45HP Enduro (1991-1994)

KLX 250:
• Kawasaki KLX 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 22HP Dual-Sport / Off-Road (1994-1996, 2003, 2006-2011)

KLX 300:
• Kawasaki KLX 300 292cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 26HP Off-Road / Dual-Sport (1997-2007)

KLX 450:
• Kawasaki KLX 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 48HP Off-Road (2008-2012, 2018-2019)

KLX 650:
• Kawasaki KLX 650 651cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 46HP Off-Road (1993-1996)

ENGINE SPECIFICATIONS:
• Various: 124cc-651cc 2-Stroke and 4-Stroke Liquid-Cooled Motocross / Enduro / Off-Road
• Liquid-Cooled / Keihin PWK / FCR Carburetor / Keihin EFI (model-dependent)
• 5-Speed / 6-Speed Manual / Chain Drive (520 Pitch)
• Stock Gearing: 13-14T Front / 47-51T Rear (model-dependent)
• Kick Start / Electric Start (model-dependent) / Pre-Mix (2-Stroke) / Wet Sump (4-Stroke)

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Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W14.0000” x H8.0000” x L14.0000”
  • Free Shipping!

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