GrfceVue 140cc 4-Stroke Horizontal Racing Engine 1N234 for Honda Mini Bikes

GrfceVue 1N234 horizontal racing engine kit features a 140cc single-cylinder, 4-stroke engine with a 4-speed manual clutch transmission, CDI, and kick starter. Specifications include a 54 x 59 mm bore and stroke, 9.0:1 compression ratio, 8 kW maximum power at 7,500 ± 375 rpm, and 9.5 N·m maximum torque at 5,000 ± 250 rpm. The engine uses a 14T 428 sprocket with a 17 mm shaft and is constructed from aluminum alloy and cast steel. Listed applications include Honda CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, ST90K1, ST90K2, CS90, SL90, and ZB50 models.