Max displacement for 250 2 stroke class

[Lt250rKing]

what is the largest displacement on a thumper you can go to compete in the 250cc class

 

[MRKRacing125]

550 according to racerX mag

 

[Chugger]

There is word that the 550 limit will be reduced to 450. That's why Honda is going to be at 450 and Yamaha is going to it. KTM will need to rework the 520 or the 400. Kawasaki has nothing and Suzuki has a trail bike.