As an owner of a CTX 1300, I note that the Valkyrie has a very similar engine sound, which involves a humming sound like a sewing machine intermixed with the normal engine growl, as has been used as a descriptor. I was told the unique sound of the CTX is due to its straight, as opposed to helical, gearing. Does the Valkyrie also have this straight gearing? The engine sound is so similar and I can't imagine it making this sound unless it has similar mechanical operation. Thanks!