Re: D140 w/ 1.6 hours - Smoke on Startup???
Congrats on your new D-140. That's an excellent machine for its intended purpose.
I'll offer you my experiences with my Intek twin, similar to yours, and now almost 10 years old. It has 425+ hours on it. Sometimes it smokes on startup but most times not. A hot start will NEVER blow smoke. When a cold start does smoke, it is just a brief event. Never noticed any drop in oil level, and the engine doesn't use oil between changes (~ yearly and 50 hours). The commonly accepted explanation is that the vertical shaft engines will draw a drop or two of oil into the cylinder on shutdown, depending on where the piston stops in the bore. I can buy that and it seems to fit with my experiences.
The other possibility is overfilling the crankcase oil. Then it will smoke on every startup and MAY smoke while running until it burns it down to a useable level. Since it's new, the dealer may have slightly overfilled during prep. For reference, there's about 8 oz between FULL and ADD, so it can get pretty low before you need to worry. There's 64 oz in a full oil change.
I'd give it a few more hours to break-in then revisit the issue. Check the oil level regularly to make sure there isn't a major problem lurking under the hood.
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Last edited by ryanpf; 06-26-2013 at 05:55 PM.