Long story short 24 hp cv730 kohler replaced bad head gasket. short time later blowing oil /smoke .this time head gasket looked good ,seemed like maybe head bolt came loose . inspected head checked valves .so replaced head gasket.. Now I have dipstick blow back pressure . slight plug fouling. looking at reed valves but to get them must remove head ,also the breather vent behind the carb. starting to get po'd . leak down test ? what the psi related to red, yellow ,green zones
cub /kohler
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