March 3, 20242 yr Hi. Iv got a gasgas 50 txt rookie, 6 speed. I'm trying to figure out if the engine is a 50cc or a 65cc, as online these engines are a, franco morini m-65c motor. Can anyone shed some light. Thanks
October 2, 2025Oct 2 This is a 50cc since the cylinder code is 273C. The franco morini m65-C engine has the cylinder code 273E, pinasco 74 has the code 273A, italkit 74 has the code 273D and polini has the code 305. The code is printed on the right side of the gilardoni writing on the cylinder.
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