I want to rebuild the carbs and do the upgrade on jets and drain plugs but my problem is 93' motor but has 97-98 powerhead that was installed about 10 yrs. ago that my mechanic installed 64d jets in the carbs., this powerhead lost the pin in the upper left cylinder(looking from rear)#2? last fall. I had this block repaired and want to make sure that the proper jets are installed. Model VE200SLETF SER.G 03290181 The Engine Family # on the new powerhead was damaged at the machine shop but my best guess is1PXM0103800 ? Thank you. Fishinjoe