I have looked for a Ser# on this motor and have never found one. It may have been a sticker that just isnt there any more. I have a ser# on the Mower overall but not on just the engine. On the toro site I have pulled down all the manuals and parts books and it just gives me the usual, bad carb...
Have an Older Toro SS3200 TImecutter Model 74621 that has the 16HP Chinese version of the Kholer 16Hp made for toro. A few weeks back it started backfiring real bad and then stopped. Doing research it seemed that it sheared off the flywheel pin. Last year I replaced the deck and all 4 tires and...