Bore and Stroke Full size 2694 × 1796 pixels The bore and stroke measurements indicate piston movement. Why they are on a big ol’ plate here is a mystery to me. Previous image Next image Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. CAPTCHA Code * Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.