horseman with no horse 58 #1 Posted 9 hours ago can you hone the bores on a ch18s? im not sure if its got a cast iron liner or nickisil Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,995 #2 Posted 2 hours ago I do not know either but here are some manuals https://www.wheelhorseforum.com/search/?q=ch18&quick=1&type=downloads_file Share this post Link to post Share on other sites
Wild Bill 633 905 #3 Posted 1 hour ago 7 hours ago, horseman with no horse said: can you hone the bores on a ch18s? im not sure if its got a cast iron liner or nickisil Yes. On my Hot Rod Kohler Command, I had to have the cylinders honed a little bit to provide additional clearance for forged pistons. Forged pistons are made of low silicon 2618 for high tensile strength and ductility. The OEM cast pistons are high silicon and has lower thermal expansion. Share this post Link to post Share on other sites
