Add your ride
0 $0.00
Partiron

Find Parts for Your Machine

1Type
ATV/UTV Dirt bike Snowmobiles Street Bike Watercraft
2Year
3Make
4Model
Yamaha OEM Part 1AA-12118-00-00 COTTER, VALVE

Image for illustration only; it does not show the actual part or its packaging.

Yamaha OEM Part 1AA-12118-00-00 COTTER, VALVE

  • Product Code: 1AA-12118-00-00

$12.75

  • Genuine Yamaha OEM part
  • New in original packaging
  • Fits the models listed in the fitment chart
  • Easy, no-hassle returns

This product is vehicle specific.

Find your vehicle to make sure this part fits before you order.

Find Your Vehicle
Add to Cart

Ships in 4 to 9 days

Genuine Yamaha OEM Cotter, Valve (part number 1AA-12118-00-00) from the Valve diagram. It fits Yamaha WR450F, YFZ450, RS Venture, YZFR1, YFZ450R, WR250F and 67 more built from 1985 to 2026.

Fits these models

  • Seca Ii 600: 1992–1998
  • WR450F: 2003–2009, 2011–2015
  • YZ450F: 2003–2009
  • YFZ450: 2004–2009, 2012–2013, 2017
  • RS Venture: 2005–2006, 2008–2015, 2017–2018
  • FJR1300A: 2007–2016, 2018–2019
  • YZFR1: 2007–2025
  • V-Max: 2009–2018
  • YFZ450R: 2009–2026
  • FJR1300ES: 2015–2018, 2020–2024
  • WR250F: 2015–2026
  • YZ250F: 2015–2026
  • YZ250FX: 2015–2026
  • YZFR1M: 2015–2018, 2020–2025
  • MT10: 2018–2025
  • and 58 more models

See the Fitment tab for the full list with model codes.

Need Help Finding the Right Part?

Not sure it fits? Ask before you order — our team will check the part for your machine.

For a faster answer, include:

  • Year, make and model of your machine
  • VIN or frame / serial number
  • OEM part number or a photo of the old part
Email Us (630) 886-1221

Find your ride

Check your current ride below to confirm product compatibility.

Yamaha

Part Details

Brand Yamaha
Sku 1AA-12118-00-00
Name COTTER, VALVE

Free Shipping on Orders Over $99

Free ground shipping on US orders over $99, with tracking. Delivery time is shown before you pay, so you know when it arrives.

Support From People Who Ride

Not sure about size or fit? Ask us before you order. Our team rides too and will help you pick what suits your bike.

Genuine OEM & Trusted Brands

OEM parts for Honda, Yamaha, Kawasaki, Can-Am, Polaris and more, plus gear from makers riders trust. No no-name imports.

Parts That Fit Your Machine

Enter your machine’s type, year, make and model, and we’ll show only the parts and gear that fit it.