SUZUKI GZ250 GN250 BIG BORE Cylinder Kit 78MM Install Directly Power Upgrade Kit

  
SUZUKI GN250 GN 250 GZ250 LT250 DR250 BIG BORE Cylinder Kit Upgrade to 300 cc GN300 improve performance. Noted: This is modified parts should be installed by a professional mechanic. This sleeve exterior diameter is 83.00mm, DON'T NEED MODIFY ANY OTHER PARTS, CAN INSTALL DIRECTLY.

Can fit all years GN250 GZ250 TU250 SP250, Before 1989 DR250 LT250... Old GN250 cylinder volume : stroke 61.2MM`bore 72MM =actualdis placement 249cc. New GN300 cylinder volume : stroke 61.2MM`bore 78MM = actualdis placement 298cc.