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Product image 1CRF450R 10-16 Camshaft ST-R
Product image 2CRF450R 10-16 Camshaft ST-R
Product image 3CRF450R 10-16 Camshaft ST-R

*Product may vary by application

CRF450R 10-16 Camshaft ST-R

SKU: 700XX225800

Regular price $619.00

MADE IN JAPAN


Race Series



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1-YEAR
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By filling out the form below you acknowledge that the item being purchased is for racing only and this vehicle will never be used on public roads or land.

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura "RACE SERIES." Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.

I have read, understood, and agree to Use Restriction Terms.



(Payment Options Available at Check Out)


Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "MODIFIED PART"


WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov


  • All cams are ground by Yoshimura Japan using truly state-of-the-art equipment
  • Cams are machined from billet cam blanks, not welded up or reground stock units
  • Increased lift and duration to produce a potent curve with mid to top-end power & torque

This Camshaft Kit is Drop-In, no shims or springs are needed. (See **Note)

* Cam timing should be set by a qualified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.

**Note: For the 2010 Honda CRF450R, these two Honda OEM parts are required. (Sold Separately through Authorized Honda Supplier)

  • DECOMP KIT (Honda PN: 06140-MEN-305)
  • DECOMP SPRING (Honda PN: 14106-MEN-A30)

Know you’re racing with the best.

Yoshimura R&D is the only authorized distributor in North America for our sister companies Yoshimura Japan (YJP) and Yoshimura Asia (YAT). YJP/YAT develop and test racing components that are un-restricted versions than the choked-down systems which are required for more restrictive marketplaces like Japan and Europe. This imported product is specially configured for less restrictive markets. In other words, you’re getting a custom exhaust that’s perfect for racing in the US market.

What your missing if you don’t buy U.S. spec through us!

  • In-house warranty and technical support
  • Certificate of authenticity
  • Full 12-month warranty
Instructions and Parts Diagram
Instructions / Parts Diagram

Vehicle Fitment

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    Race series product restriction and affirmation

    Warning:

    The RACE SERIES product you are purchasing removes, renders inoperative, or bypasses required elements of the emission control systems of EPA, certified motorcycles of motorcyle engines and may only be installed on motorcycles that are restricted to closed course competition. Installation of this product on a motorcyle that is ridden on a public street, highway, or public lands violates the tampering and defeat device provisions of the Clean Air Act & 203(a)(3)(A) and/or & 203(a)(3)(B) and may subject you to a civil penalty of up to $37,000.

    Information (Enter as Applicable)

    Race Information

    Rider/Purchaser Information

    Affirmation

    By clicking below, I affirm:
    1. that i have read the above warning;
    2. that any information I have entered is accurate; and
    3. that any motorcycle on which I install the RACE SERIES product will be restricted to closed course competition and will not be ridden on any public street, highway or public lands.