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Message: [QUOTE="Jasle, post: 1229105, member: 26675"] i was cruzing the web looking at stuff and stumbled across this site. [url]http://www.wmr1.com/tips.htm[/url] they have the cure for broken valve springs. Been a long time since physics for me. Can anyone confirm or deflate these claims of the failure mechanism of most springs? Is the conical spring the anser? I see KTM used them in at least one application where they were breaking valve springs. Just wondering. We're off to the 150F's soon. [/QUOTE]