My neighbour asked me to see if I could get his Sears snow blower
going. Had a good mild day so I went at it in two feet of snow in his
back yard. First, there is plenty of gas but no spark to speak of just
a tingle when I complete the cct between the plug wire and ground.
Seems as if there might be a short to ground or magneto problems.

Are there any really common faults to look for?