ment to post this last night but for rays question id say its a 10hp. measure the carb cover's diamiter. i beleive a 10hp is about 6 or 7 inches and the 7hp is like 4 inches.
about the crapsmen lssue just like someone else said, save the money buy 2 good ol cubbies, take them in t he garage, crack open a beer, start playin Brad Paisley's "I'm Gonna Miss Her", do some quick wrenchin on them, and mow happily ever after