Yoshimura 224500D320 Manual
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Yoshimura 224500D320 Manual

Honda crf450x 2019-2023 rs-4 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 -4 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 "
2019~2023
Honda CRF450X
224500D320
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.
(AL/CF)

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Summary of Contents for Yoshimura 224500D320

  • 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. 22450-104F Yoshimura Header Kit 22450-144 Yoshimura Tailpipe 224500D320-RMA Yoshimura Muffler M8X45H 8mm x 40mm Flanged Hex Head Bolt 8X22SPC Aluminum Spacer RACE-SPX-2 Short Exhaust Spring RACE-SPS-1 Medium Exhaust Spring SA-04-K Spark Arrester Kit ST-200 Spring Puller Tool...

  • Page 3: Installation

    CAUTION: Exhaust system can be extremely hot. 3. Install (No. 3) 224500D320-RMA, muffler onto Let motorcycle cool down before (No. 2) 22450-144, tailpipe outlet. Using the beginning installation. Always wear (No. 5) 8X22SPC, aluminum spacer, align hand and eye protection and take...

  • 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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