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High quality bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.
Item Fitment - Please note this item fits the following bikes:
**If you have a 2023 or newer KLX140 - you need 411-KLX-1805**
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