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 (2.640The LX188 can reach a maximum speed of 8.8 kmh (5.5 mph) in forward gear and up to 4.0 kmh (2.5 mph) in reverse gear. The hydrostatic transmission