Does anybody know where I can find weight, HP dyno spec's on a 1993 yz250? Also where can I find a Yamaha manual on the 1993 YZ 250?
Try Ebay! There are a lot of manuals and brochures on old bikes!
http://cgi.ebay.com/ebaymotors/1988-1993-Yamaha-YZ-125-250-YZ125-YZ250-WR-WR250-MANUAL_W0QQcmdZViewItemQQcategoryZ35580QQitemZ4590088840QQrdZ1QQsspagenameZWDVW
Oldschool