ranch king rideing mower runs great until i engage mower deck then wants to?

mower runs good until engageing deck to mow then it wants to stall out what causes this i just put new plug and air filter and changed oil still same what do i need to fix this thank you
lgonzo, September 2009


done
belt is to tight ,i had the same problem,went to next size bigger belt.

chernjeff, October 2009
link Click here to see other fixes for Ranch King.