TV 200 engine set up

Building a TV 200 spec engine. First version barrel,tv200 gear box ,standard carb & exhaust. The barrel has been bored to 68.0 mm .
Question is would a 60mm stroke crank which I have spare change the characteristic's of the engine if I used it ?
Question is would a 60mm stroke crank which I have spare change the characteristic's of the engine if I used it ?