Home › Forum › Ask A Member › qd 10 oil ratio › Re: qd 10 oil ratio
July 15, 2016 at 10:29 am
#40239
Also I tried using the champion j6j plugs that it came with as well as autolite equivalent. What is the correct plug for this engine? To reiterate this is a 1949 johnson qd 10. 10 hp twin. If the plugs are too cold what is recommended for a hotter plug? Would the j11j or equivalent be too hot?