Oops! Darn newbs, double posting topics and all. j/k man, lol.
Anywhoo, I responded already in your other duplicate topic.
BTW- Welcome to the site!!! Almost anything you want to know/learn about the Honda 450R can be found on this site. Welcome to the addiction....
2004 TRX522R 61.6hp/41.45 ft lbs
Venom Porting, Immortal Intake & +1 KW exh. valves, 99 mm 12:1 Wiseco 2-ringer piston, +3mm stroker crank, HC Stage 3 cam, 43.5mm Sredrum taper-bored FCR, Venom full exhaust, Modded ESR intake/ K&N, Dynatek prog. ignition.
2008 Yamaha Raptor 815 Venom big bore stroker 87hp/64.5 ft lbs