John Deere D140 (1GXD140EKCC324968) 22 h.p. Briggs Model # 407777 Type # 0274G5 Code # 120224YG Runs perfect for about 10 min. then cuts out on one cylinder. Has new carb. kit, new plugs, new fuel filter, new air filter, new coils. Fuel tank is vented ok, no fuel lines kinked. disconnected...