Hi everyone, we've had 3 very cold days (-15C) and my griso won't start. The battery is ok (all lights come on) but when I hit the ignition switch I get a short clunk from the engine followed by the typical gas pump noise. I rode the bike about 10 days ago and all was normal then, so I am assuming that it's been too cold in the garage and perhaps the starter is frozen. What do you recommend to start her up?