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


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.

TST WORX Smog Block Off Plate for Yamaha YZF-R3 2015+ / MT-03 2020+

TST WORX Smog Block Off Plate for Yamaha YZF-R3 2015+ / MT-03 2020+ CNC machined from high-grade aluminum with a black anodized finish. What's included. Includes rubber plugs for complete block-offs. Installs on your Yamaha R3 / MT-03 to eliminate the air injection system.

TST WORX Smog Block Off Plate for Yamaha YZF-R3 2015+ / MT-03 2020+

Cover the hole left behind from removing your Yamaha R3 or MT-03's air induction system (AIS) with a clean and elegant solution designed and tested by our TST Industries WORX program.


Yamaha YZF-R3 | 2015, 2016, 2017, 2018, 2019, 2020
Yamaha MT-03 | 2020

This product is part of our Worx Program!

Learn More!
SKU 10482-BK
Weight 0.31 LBS
Price: $21.99
Select Finsih
tst email icon
Get a notification when this item is back in stock.
Make sure you have the desired configuration above before submitting your email.


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


  • Developed and tested by TST Industries WORX race program
  • Enables removal of the bulky AIS system and seals inlet ports
  • Aids in providing accurate air/fuel ratio during tuning
  • Raw aluminum or Anodized black finish available
  • CNC machined from high-grade aluminum
  • Includes stainless steel hardware and rubber plug
  • Designed and manufactured in the USA


TST Industries is home to multiple Yamaha R3's in our racing and R&D stables. Our WORX racing program has been working hard on products that help you squeeze the most power out of your R3 / MT-03's engine. A key component to that mission has been the development of the TST WORX Smog Block Off Kit. This kit enables you to achieve a proper air:fuel ratio while tuning your bike while keeping exhaust pops to a minimum during intense racing conditions.

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.

  • (1) TST WORX 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.