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This is a genuine Yamaha OEM internal transmission shift lever component, commonly listed as Shift Lever 2 or part of the shifter ratchet mechanism. It works with the shift drum and pawl system to provide accurate gear selection and smooth transmission indexing. Manufactured from hardened steel, this factory-original part offers correct tolerances, dependable strength, and precise fitment. Part Number: 5MW-18122-01-00 Supersedes: 5MW-18122-00-00 Casting Code: 5MW00 Fitment & Compatibility Two-Stroke Dirt Bikes: Yamaha YZ250: 2001–2025 Yamaha YZ250X: 2016–2025 Four-Stroke Dirt Bikes: Yamaha YZ450F: 2003–2005 Yamaha WR450F: 2003–2006 ATVs / Sport Quads: Yamaha YFZ450: 2004–2009, 2012–2013 Yamaha YFZ450R: 2009–2025 Yamaha YFZ450X: 2010–2011 Please compare the part number, casting code, and transmission diagram with your original component before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used stain remover
Worldwide shipping available
Express shipping available at checkout
Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
Contact support for return authorization
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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$34.75
$199.75
$11.75
$11.75
