My Craftsman leafblower does not start reliably. I have changed the spark plug and the gas filter, and the air filter was cleaned. I have opened the covers so I can see that the primer bulb is moving fuel, however, I do not see or smell gasoline on the spark plug. Should I?

I have a sears tractor engine that clicks but will not start, the battery has 13.75 volts, battery connections are clean, changed out the starter and solenoid, fuse is good however nothing it is still clicking. I tried to jump across the large solenoid terminals, nothing, any ideas?

What a great forum! Lots of great help available here, just wish I would have found y'all sooner! I just received from a friendly neighbor her old Craftsman 12.5 HP (B&S) lawn tractor for free. Well, it looks to be in great shape but the darn thing won't start. (already checked connections,...