millsyman Posted August 12, 2011 Share Posted August 12, 2011 hi guys new to the board i have a 1973/4 yamaha at2 125 i would like to fit a 175 barrel head and piston can anyone shed some light as to what cylinders and so forth fit ive been told the ct1 engines are the same is this correct thanks Link to comment Share on other sites More sharing options...
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