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RESEARCH&DEVELOPMENT OF AMERICA, INC.

www.yoshimura-rd.com

5420 DANIELS STREET STE A, CHINO CA 91710 · (800) 634-9166 · (909) 628-4722 · FAX (909) 591-2198

NOTE:  IN THE STATE OF CALIFORNIA, IT IS ILLEGAL TO MODIFY THE EMISSION CONTROL SYSTEM,  WHICH INCLUDES THE CARBURETORS OF ANY VEHICLE.

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. 

RACE SERIES

14301BC350   (SS/AL)

K awasaki

Qualified Manufacturer Declared “Modified Part ”

Race Series systems are:
• NOT CARB/EPA tail-pipe emissions compliant.
• NOT street legal. 
• For “Closed Course Competition” use only. 

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

RS -2 Stainless Steel Slip-On

2009~2020

KLX250

2021~2023

KLX300

Summary of Contents for RACE 14301BC350

Page 1: ...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...

Page 2: ...ler Grommet 1 4 ALS 029 Aluminum Spacer 1 5 M8X35H 8mm x 35mm Flanged Hex Head Bolt 1 6 8MMWASHERL 8mm Large Washer 1 7 RACE SPX 2 Small Exhaust Spring 2 11061 1055 Exhaust Gasket 1 M12X8H O2 Sensor P...

Page 3: ...55 exhaust gasket over No 1 14301 435 tailpipe inlet 4 Install No 1 14301 435 tailpipe into the stock header outlet Align tailpipe chassis mount bracket to chassis mount and secure using the stock bol...

Page 4: ...vehicle clean pipe thoroughly using a soft cloth and rubbing alcohol to remove any oil and finger prints The color of the exhaust will change once the system has gone through a heat cycle of 15 minut...

Page 5: ...nd other fasteners tight as exhaust systems are susceptible to vibration damage 6 If you ride in coastal regions or areas that use salt to control ice and snow wipe the exhaust down after it cools to...

Page 6: ...Yoshimura recommends on all race exhaust systems that all spring joints be safety wired Recommended wire type 304 316 stainless steel with a 032 diameter should be used YOSHIMURA EXHAUST LIMITED WARR...

Page 7: ...nd double check all drawings and instructions 2 Make sure muffler clamps are installed correctly refer to instructions diagram On many models there is a right and wrong way to install Also verify part...

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