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50 Tooth Rear Sprocket 520 Chain Compatible With 1999-2025 Yamaha Yz 125 Yz 250 Yz-F 250 Yz-F 400

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RSY-007-50A2
OEM PART NUMBERS:
• Yamaha: 17D-25450-50-00 / 17D254505000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 1C3-25450-00-00 / 1C3254500000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5ET-25450-00-00 / 5ET254500000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5NY-25450-00-00 / 5NY254500000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5TJ-25450-80-00 / 5TJ254508000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 17D-25447-50-00 / 17D254475000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 17D-25448-50-00 / 17D254485000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 17D-25449-50-00 / 17D254495000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 17D-25451-50-00 / 17D254515000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 17D-25452-50-00 / 17D254525000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 1C3-25447-00-00 / 1C3254470000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 1C3-25448-00-00 / 1C3254480000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 1C3-25451-00-00 / 1C3254510000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 1C3-25452-00-00 / 1C3254520000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5ET-25447-00-00 / 5ET254470000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5ET-25448-00-00 / 5ET254480000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5ET-25451-00-00 / 5ET254510000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5ET-25452-00-00 / 5ET254520000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5NY-25448-00-00 / 5NY254480000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5NY-25451-00-00 / 5NY254510000 (OEM 48-53T Rear Sprocket - Same Bolt Pattern Fitment)
• Yamaha: 5NY-25452-00-00 / 5NY254520000 (OEM 48-53T 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
• Condition: New

YAMAHA APPLICATIONS:
• YZ 125 124cc 2-Stroke YPVS 35HP MX (1999-2025)
• YZ 250 249cc 2-Stroke YPVS 49HP MX (1999-2025)
• YZ-F 250 249cc DOHC FI 39HP MX (2001-2025)
• YZ-F 400 399cc DOHC 5-Valve MX (1999)
• YZ-F 426 426cc DOHC 5-Valve MX (2000-2002)
• YZ-F 450 449cc DOHC FI 57HP MX (2003-2025)

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

Was: $105.84
Sale: $60.48
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Description

YAMAHA YZ 125 / YZ 250 / YZ-F 250 / YZ-F 450 / WR-F 250 / WR-F 450 / TT-R 230 Motorcycle - ALL MODELS:

YZ 125:
• Yamaha YZ 125 124cc 1-Cyl 2-Stroke Reed-Valve Liquid-Cooled 35HP YPVS Motocross Motorcycle (1999-2025)

YZ 250:
• Yamaha YZ 250 249cc 1-Cyl 2-Stroke Reed-Valve Liquid-Cooled 49HP YPVS Motocross Motorcycle (1999-2025)

YZ-F 250:
• Yamaha YZ-F 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 39HP Fuel-Injected Motocross Motorcycle (2001-2025)

YZ-F 400:
• Yamaha YZ-F 400 399cc 1-Cyl DOHC 5-Valve 4-Stroke Liquid-Cooled Motocross Motorcycle (1999)

YZ-F 426:
• Yamaha YZ-F 426 426cc 1-Cyl DOHC 5-Valve 4-Stroke Liquid-Cooled Motocross Motorcycle (2000-2002)

YZ-F 450:
• Yamaha YZ-F 450 449cc 1-Cyl DOHC 4-Titanium-Valve 4-Stroke Liquid-Cooled 57HP Fuel-Injected Motocross Motorcycle (2003-2025)

YZ-FX 250:
• Yamaha YZ-FX 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 39HP Fuel-Injected Cross-Country Motorcycle (2015-2025)

YZ-FX 450:
• Yamaha YZ-FX 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 57HP Fuel-Injected Cross-Country Motorcycle (2016-2025)

YZ-X 125:
• Yamaha YZ-X 125 124cc 1-Cyl 2-Stroke Reed-Valve Liquid-Cooled YPVS Cross-Country Motorcycle (2020-2025)

YZ-X 250:
• Yamaha YZ-X 250 249cc 1-Cyl 2-Stroke Reed-Valve Liquid-Cooled YPVS Cross-Country Motorcycle (2016-2025)

WR 250 (1999-2000):
• Yamaha WR 250 249cc 1-Cyl 2-Stroke Liquid-Cooled Enduro Motorcycle (1999-2000)

WR-F 250:
• Yamaha WR-F 250 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled Fuel-Injected Enduro Motorcycle (2001-2025)

WR-F 400:
• Yamaha WR-F 400 399cc 1-Cyl DOHC 5-Valve 4-Stroke Liquid-Cooled Enduro Motorcycle (1999-2001)

WR-F 426:
• Yamaha WR-F 426 426cc 1-Cyl DOHC 5-Valve 4-Stroke Liquid-Cooled Enduro Motorcycle (2001-2002)

WR-F 450:
• Yamaha WR-F 450 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled Fuel-Injected Enduro Motorcycle (2003-2025)

TT-R 230:
• Yamaha TT-R 230 223cc 1-Cyl SOHC 2-Valve 4-Stroke Air-Cooled 15HP Trail Motorcycle (2005-2024)

YZ 50TH ANNIVERSARY 125:
• Yamaha YZ 125 50th Anniversary 124cc 1-Cyl 2-Stroke Liquid-Cooled 35HP YPVS Limited Edition Motocross Motorcycle (2024)

YZ 50TH ANNIVERSARY 250:
• Yamaha YZ 250 50th Anniversary 249cc 1-Cyl 2-Stroke Liquid-Cooled YPVS Limited Edition Motocross Motorcycle (2024)

YZ MONSTER ENERGY 125:
• Yamaha YZ 125 Monster Energy 124cc 1-Cyl 2-Stroke Liquid-Cooled 35HP YPVS Motocross Motorcycle (2022-2025)

YZ MONSTER ENERGY 250:
• Yamaha YZ 250 Monster Energy 249cc 1-Cyl 2-Stroke Liquid-Cooled YPVS Motocross Motorcycle (2022-2025)

YZ-F MONSTER ENERGY 250:
• Yamaha YZ-F 250 Monster Energy 249cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 39HP FI Motocross Motorcycle (2021-2025)

YZ-F MONSTER ENERGY 450:
• Yamaha YZ-F 450 Monster Energy 449cc 1-Cyl DOHC 4-Valve 4-Stroke Liquid-Cooled 57HP FI Motocross Motorcycle (2021-2025)

ENGINE SPECIFICATIONS:
• Various: 124cc 2-Stroke Liquid-Cooled 35HP / 249cc 2-Stroke Liquid-Cooled 49HP / 249cc DOHC FI 39HP / 449cc DOHC FI 57HP / 223cc SOHC 15HP / 399-426cc DOHC 5-Valve
• Various: Liquid-Cooled (MX/Enduro) / Air-Cooled (TT-R 230) / Various: Keihin PWK38S Carburetor w/ YPVS (2-Stroke) / Mikuni Fuel Injection (4-Stroke)
• 5-Speed (YZ 250, WR-F 450) / 6-Speed (YZ 125, YZ-F 250, YZ-F 450, WR-F 250, TT-R 230) / Chain Drive (520 Pitch)
• Stock Gearing: Various: 13T/49T (YZ 125, YZ-F 450) / 13T/50T (YZ-F 250) / 14T/50T (YZ 250) / 13T/52T (WR-F 250 early) / 13T/50T (WR-F 450) / 14T/49T (TT-R 230)
• Kick Start (2-Stroke) / Electric Start (4-Stroke, TT-R 230) / Various: Premix (2-Stroke) / Dry Sump (YZ-F) / Wet Sump (WR-F, TT-R)

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

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