*There may be changes in product specifications due to the manufacturer's reasons. *This product is not compatible with models after 2021. *This part is for the closed circuit only. *Fuel adjustment is required when using the engine.*2
*1 Be sure to measure and adjust the tappet clearance and valve timing before installation. For more information about "How to measure and adjust tappet clearance and valve timing in Yoshimura style", please refer to "4st Mini World" on Yoshimura Japan website.
*2 When using this product, please be sure to adjust the fuel using BAZZAZ. If you don't adjust the fuel, you can't get the best performance. Please refer to the BAZZAZ recommended map in the instruction manual for fuel adjustment.
* The image is only for reference. The image shown may differ from the actual product.
The ST-1M camshaft was developed by YOSHIMURA to bring out the best performance of the "Standard Engine & YOSHIMURA Cyclone". This is a bolt-on camshaft that replaces the stock camshaft and is used with fuel adjustment.*1 *2 The YOSHIMURA ST-1M camshaft is easy to use at the start of acceleration, yet has more power and torque than the standard camshaft in all areas.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
* The BEST and MUST store to find Japanese parts. * Register now for amazing deals and other special offers! *Over 800,000 listed items. It's hard NOT to find your parts.
SIGN IN TO WEBIKE JAPAN
Please enter email at least 6 characters.
Please enter a valid email address.
Email is already in use.
Your account has been banned.
Email address and/or password is not match.
Authentication with facebook fail.Please try again.
Please select How did you get to know about Webike Japan?
OR
YOUR ACCOUNT HAS BEEN CREATED!
Congratulations! Your new account has been successfully created! You can now take advantage of member privileges to enhance your online
shopping experience with us. If you have ANY questions about the
operation of this online shop, please email Webike through CONTACT US.
A confirmation has been sent to the provided email address. If you
have not received it within the hour, please contact us.
Get on your grid by register your motorcycle! About our "Mybike" service
"Easier to Search Items" It helps you to search items to fit for your motorcycle!
"Get Much Valuable Information" It helps you to get special deals, newly listed items and closeouts about your motorcycle!
"Easy to Register" It requires only your motorcycle manufacturer, model name and model year!