Show Me Your 61mm Mtrt Block

guys is there any one here using 61mm mtrt block.. im just doubting on my block.i buy a 61mm block mtrt. but i didnt see the installation of the block cause i have work that time. but there is mtrt name on the side.. this is the question guys i was on general cleaning of my sniper mx. upon cleaning the bottom engine i saw the block and the label was 150cc. im comfused now if it is a 57mm or 61mm.. if there is using 61 mtrt kindly see the bottom part of your block if the label is 150cc too.....



Show Me Your 61mm Mtrt Block



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