I'll put send it out soon as I get home. I imagine the specs may be out dated cause this one is fairly old. Unless it just never changed?Yamaha engine owners service manual .
I am especially interested in the port modification's .
Please post the Speed Secrets and Tuning Tips page by page. Thank youWhich ones of these do I need to put up here page for page? I'll spend the time to post them if you guys will enjoy them. I will put them up in order in which you all post. May take me a little bit to get em all up here but I'll get done.