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5420 DANIELS STREET STE A, CHINO CA., 91710 · (800) 634-9166 · (909) 628-4722 · FAX (909) 591-2198
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 "
2022 ~ 2023
Honda CRF250R
228452S320
RS -12 Taper Slip-On
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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Table of Contents
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Summary of Contents for Yoshimura RS-12
- 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.
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Page 2: Assembly Diagram
Z1024 ALS-043 228452S320-RMA SS Muffler Assembly Rubber Grommet Aluminum Spacer M8X30H 03019135 347PLUG 8mm x 30mm Exhaust Clamp Muffler Wash Plug Flanged Hex Head Bolt HT FOIL-9 Heat Foil Tape Assembly Diagram... -
Page 3: Installation
If any problem is found, off of stock header. please carefully follow through the installation steps again. If problem still persists, please call Yoshimura Tech Department at (800) 634-9166 / in CA (909) 628-4722. Installation 8. It is recommended that the muffler and tailpipe 1. -
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.
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