lx188John Deere LX188 Engine Repair Specifications Cylinder Block Cylinder compression ..... 12.0 kgcm2 (170 psi) Cylinder Bore Standard I.D ..... 66.98-67.00 mm (2.637-2.638 in.) Cylinder Bore Maximum I.D ..... 67.06 mm (2.640Be the first to review John Deere LX172, LX173, LX176, LX178, LX186, LX188 Lawn Tractor Technical Manual Cancel reply. You must be logged in to post