OEM PART NUMBERS:
• Yamaha: 5NX-13613-00-00 / 5NX136130000 (Reed Petals)
• Yamaha: 5NX-13610-10-00 / 5NX136101000 (Reed Valve Assembly)
• Yamaha: 5NX-13610-00-00 / 5NX136100000 (Superseded by 5NX-13610-10-00)
• Yamaha: 5NX-13624-00-00 / 5NX136240000 (Reed Valve Plate/Spacer)
SPECIFICATIONS:
• Type: Pro Series Carbon Fiber Dual-Stage Reed Valve Petals
• Construction: Carbon Fiber Top Reed / Fiberglass-Epoxy Bottom Reed
• Design: Dual-Stage with Ported Bottom Reed
• Series: Boyesen Pro Series
• Fitment: OEM Reed Cage Only (Does Not Fit Aftermarket Rad Valve or VForce)
• Engine: Yamaha 249cc Single-Cylinder 2-Stroke Liquid-Cooled YPVS
• Displacement: 249cc (15.2 cu.in), 66.4mm x 72.0mm Bore x Stroke
• Condition: New
YAMAHA MOTOCROSS & ENDURO APPLICATIONS:
• YZ250 249cc 2-Stroke YPVS Motocross (2005-2026)
• YZ250X 249cc 2-Stroke YPVS Cross-Country/Enduro (2016-2026)
• YZ250 50th Anniversary Edition (2024)
• YZ250 70th Anniversary Edition (2026)
• YZ250 Monster Energy Edition (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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