Thank you for your reply. I suspect that I will need to open transaxle, but have been hoping for something less. I still find it odd that 2nd gear was not taken out, and why did 1,3,4, and 5 fail. I'm looking to install a 2nd hand transmission, so that I can take this apart. Does anyone have a pdf file for the LTH2000. Can I buy replacement parts for it?