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malcolm started the topic Spark plug in the forum Help and information 3 years, 4 months ago
I have just acquired a atco lawn mower standard approx age 1923 it has a cast iron cylinder and head all in one. I was wondering what the correct spark plug is for it , it came with an NGK AP6FS, it does not have a washer on it and it is tapered to seal against the head,also the thread on the plug doesn’t look long enough for the thread in the h…[Read more]
