The little speedo gears have not ever been available that I found...they
split and freewheel on the shaft hence no odometer.  $300 to rebuild
seems exorbetent ..what is new $$$???When working as a tech, I tried to
repair many and was only successful a very few times and then mostly
temporarily.
Daryl of AA Transaxle, Duvall, Wa.
(425) 788-4070
1-877-377-0773 (toll free)
aatransaxle.com (web site)