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5420 DANIELS STREET STE A, CHINO CA., 91710 · (800) 634-9166 · (909) 628-4722 · FAX (909) 591-2198
RS -12 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
Qualified Manufacturer Declared "Replacement Part "
2021 ~ 2024
Honda CRF450R/RX
225850S321
Signature Series systems are:
• CARB/EPA tail-pipe emissions compliant.
• Marked with appropriate EPA noise labels.
• Independent laboratory tested for EPA new
vehicle noise compliance.
(SS/SS)
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Related Manuals for Yoshimura 225850S321
Summary of Contents for Yoshimura 225850S321
- 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 22585-106 225850S321-RMA Header Muffler Z1024 Z1024 RACE-SPS-1 RACE-SPX-2 Rubber Grommet Rubber Grommet Medium Spring Small Spring M8X25H 8mm x 25mm 8MMNUT ST-200 8mm Flange Nut Flanged Hex Bolt Spring Puller Tool Assembly Diagram 347PLUG Muffler Wash Plug...
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Page 3: Installation
CAUTION: Exhaust system can be extremely hot. Installation Let motorcycle cool down before beginning installation. Always wear 1. Install 22585-106, Yoshimura header using the hand and eye protection and take stock header nuts. Do not torque at this time. precautionary measures to avoid injury. - Page 4 This kit contains header bolts however it is highly steps again. If problem still persists, please call recommended to replace using OEM studs. Yoshimura Tech Department at (800) 634-9166 / in CA (909) 628-4722. 1. Using (No. 5) 8MMNUT, 8mm flange nuts supplied in the kit, thread on nut with the flange 11.
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Page 5: 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 6 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 7 (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.