what is the max rpm for my sled ,yesterday playing in a field (warm day) was reving 9000 ,i think its too high?

bluemonster1
LIFE MEMBER ONLY ONCE!!!
on my 2001 SXR600 have it clutched for 8500 wot,8200 at launch.Went with 8DN-20's and 51/43 helix.Also geared down 1 tooth on upper to 19.Got 1 1/4 ripsaw also.Hooks up good.With good traction and hookup,actually get the front end up 1 to 1.5 feet