Attention: You are purchasing closed course competition Product(s)

I acknowledge that the product(s) being purchased () was/were designed and intended for closed course competition use only. The product(s) is/are neither designed nor intended for use on public roads or land and is against Federal and State regulations to do so. By proceeding with this purchase, I , agree to only use the product(s) for closed course competition.

* All fields are required Close Aknowledgement
Why TST Reason #1: Unique Products You Won’t Find Elsewhere. Why TST Reason #2: Free Shipping | U.S. Orders over $150. Why TST Reason #3: Industry-Leading Customer Support. Why TST Reason #4: No Restocking Fees. Click for Details.


U.S. customers are offered a free shipping option for orders with a discounted subtotal greater than $150.00 (before taxes applied). The order's shipment destination must reside within the United States of America. The free shipping options still utilize our standard postage providers and 3rd party shipping companies. Does not apply to large items such as exhausts, stands, and bodywork shipping. All terms and conditions that apply to normal orders will continue to apply to orders with a free shipping option.


An item returned within 30 days of purchase, that includes an accurate RMA#, in a perfectly new, unopened condition, and that complies with our other return policies, will not be charged a restocking fee.


The most common product related questions are answered in the tabs section on this page. Be sure to carefully read through the "Product Details", "In the Box", and "FAQs" tabs. In addition, a lot of our products have comprehensive videos demonstrating installations and product features. You can find those videos in the "Videos" tab.

Note: Some product pages may not have all the tabs mentioned above. Please read through all the available tabs to find the answers to your questions. If you still need assistance, please use the "ASK A QUESTION ABOUT THIS PRODUCT" button below the tabs section.

Spears Racing Emission Block Off Plate for Yamaha YZF-R3 2015+

Sears Racing Emission Block Off Plate for Yamaha YZF-R3 2015+. What's included. Gain a more accurate air / fuel ratio when tuning your 2015+ Yamaha YZF-R3 with the Spears Racing smog block off plates. Manufactured from CNC machined aluminum with a durable black anodized finish. TST Image Carousel Close

Spears Racing Emission Block Off Plate for Yamaha YZF-R3 2015+

The Spears Racing smog block off plate enables you to remove the air induction system (AIS) from your 2015+ Yamaha YZF-R3 engine and seal the holes left behind. With the AIS removed you will be able to get an accurate air/fuel ratio tune and keep exhaust popping to a minimum, not to mention save a little weight and decrease engine clutter.


Yamaha YZF-R3 | 2015, 2016, 2017, 2018, 2019, 2020

This product is part of our Worx Program!

Learn More!
SKU SR-1002
Weight 0.15 LBS
Price: $22.00
tst email icon
Get a notification when this item is back in stock.


If buying this product as part of the Buy Together bundle below, define these options there.


  • Enables accurate air/fuel ratio tuning
  • Features a durable black anodized finish
  • Manufactured from CNC machined billet aluminum
  • Removes bulky AIS system and seals inlet ports
  • For race applications only
  • Includes stainless steel hardware and rubber plug

Please note this item is for race applications only and may not comply with the laws and regulations in your area. See our Terms & Conditions for more information.

  • Spears Racing smog block off plate
  • Stainlees steel installation hardware
  • Rubber plug

WARNING: Cancer and Reproductive Harm -


There have been no reviews

Dear Customer, TST Industries' website uses cookies to allow us to better understand how the site is being used and to enhance your shopping experience. By continuing to use this site, you consent to this policy. Click to learn more.