Always use fresh gas and don't be afraid to add extra oil.
It will smoke a little bit that means you have lots of lubricant and that is good on cold starts and it will clear up as the auger warms up.
When you add a little extra oil the only thing you will need to worry about is fouling the spark plug but that's rare on a auger.
It's like a chainsaw or weed eater a little bit of smoke is good .
Baby up the engine on cold starts and the rest (clutch) will let you know when it's time to go full on.