A difficult task is to give a usable portmab between the 3MA-00 and 3MA-10 Cylinders.
Du to the big differences between the same type's off cylinders its very hard to say that this is the timing for that type cylinder.
The difference must be seen in:
1) Port chamfering
2) End machining
3) casting tolerances
These older type cylinder are not as tight as the more modern cylinders
So use these measurements for reference/indication only
Roughly you can say that the 3MA-00 Cylinder have a 1mm higher exhaust port and the transfer ports port are 0,5mm larger compared with the 3MA-10 Cylinder.
