Cranking your lawn mower's engine to life is always a bit of a thrilling moment. Will it roar loud enough to wake the neighbors sleeping in? Or will there be a bit of a croak, a whimper, then silence, ...

Growing up, we all had that one neighbor with a 1988 Craftsman lawn mower that looked like it was salvaged from a shipwreck but still fires up on the first pull before settling into the perfect idle.