Based on the context and the answer, generate a question. 

Context: Hello , I have a vintage Evinrude 45 Rotary Snowmobile . It has been sitting for some time so needs to be cleaned up and taken care of . Even though it sat idle for some time , I hit the prime button twice and it started right up and idled fine . Pretty amazing even with that old gas .

Answer:

They got a newer model and have let this one sit until now , when they are selling it



Why has the speaker allowed the snowmobile to sit idle for all of this time ?