Reply To: Potential Johnson KA-39 purchase advice

Home › Forum › Ask A Member › Potential Johnson KA-39 purchase advice › Reply To: Potential Johnson KA-39 purchase advice

February 13, 2021 at 12:00 pm #230422
Mumbles
Participant

    KA series motors don’t have a removable head as the cylinders and head are one piece. The only gasket needed is the one between the cylinders and the crankcase, which can be easily made. Since these motors have a large rotary valve on the crankshaft, they require an 8:1 fuel mix.