After asking around for a while, the best thing for Honda MTXs seems to be GM Synchromesh tranny fluid. Alot of folks are converting over and say it helps with the grinding issue quite a bit. I cannot remember if you purchase the Synchromesh with or without the LSD additive in it, but it is going on my "to do" list here in the next month.

Anyone know how many quarts (or pints) a b series transmission holds?