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Yoshimura 221210R520 Manual

Rs -9t stainless steel full-system
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5420 DANIELS STREET STE A, CHINO CA., 91710 · (800) 634-9166 · (909) 628-4722 · FAX (909) 591-2198
RS -9T Stainless Steel Full-System
You must know how to remove and replace your stock exhaust in order to install this product
otherwise have it installed by a professional mechanic. Keep all stock parts from your existing
system as some components may be necessary to install your new Yoshimura exhaust depending
on the application. Read through all instructions before beginning installation. Exhaust system can
be extremely hot. Let motorcycle cool down before beginning installation. Always wear hand and
eye protection and take precautionary measures to avoid injury.
NOTE: IN THE STATE OF CALIFORNIA, IT IS ILLEGAL TO MODIFY THE EMISSION CONTROL SYSTEM, WHICH INCLUDES THE CARBURETORS OF ANY VEHICLE.
RESEARCH&DEVELOPMENT OF AMERICA, INC.
www.yoshimura-rd.com
ENDURO SERIES
Qualified Manufacturer Declared "Replacement Part "
2019 ~ 2025
Honda CRF125F
221210R520
Enduro Series systems are:
• Equipped with USFS-approved spark arrestor.
• CARB/EPA tail-pipe emissions compliant.
• All applications are marked with appropriate EPA noise labels.
• Have not been tested for EPA new vehicle noise compliance.
(SS/CF)

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Summary of Contents for Yoshimura 221210R520

  • Page 1 Keep all stock parts from your existing system as some components may be necessary to install your new Yoshimura exhaust depending on the application. Read through all instructions before beginning installation. Exhaust system can be extremely hot.

  • Page 2: Assembly Diagram

    Assembly Diagram Item Description Qty. 22121-101 Yoshimura Header 22121-144 Yoshimura Tailpipe 221210R520-RMA Yoshimura Muffler M8X12BHS 8mm x 12mm Button Head Screw RACE-SPX-2 Short Exhaust Spring ST-200 Spring Puller Tool 17100 Sticker Kit Sheet Not shown in diagram.

  • Page 3: Installation

    (No. 4) M8X12BHS, 8mm button head screw. Do not torque at this time. 3. Install (No. 3) 221210R520-RMA, muffler onto (No. 2) 22121-144, tailpipe outlet. Align muffler bracket to chassis mount and secure using the stock muffler mount bolt.

  • Page 4: Exhaust System Maintenance

    Dear Yoshimura Customer, Congratulations and thank you for purchasing a Yoshimura Exhaust System. Over six decades of experience in research and development, state of the art machinery, materials and craftsmanship of the highest quality all come together in a product of exceptional quality and performance—in other words, this is the best thing you can put on your bike.
  • Page 5 When you are performing periodic maintenance on your vehicle (like a tire change, or an oil change) you can remove your Yoshimura muffler from the vehicle and weigh it again.
  • Page 6 (found on header and tail-pipe components). 6. Also, feel free to ask through online e-mail at sales@yoshimura-rd.com, or fax your question/problems to (909) 591- 2198. To obtain technical information directly from Yoshimura, call (909) 628-4722.

This manual is also suitable for:

Enduro series

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