Quote:
Originally Posted by Kurgan
Full Choke + Cold temps = 5000+ RPM "idle" once it warms up a bit and the oil loosens up. You can literally hear the idle speed ramp up once it warms up.
If you're really worried about "contaminated oil", you do more damage to the oil during a normal ride hitting high RPM than you would by letting it run choked up for 30 minutes.
Plus you can always change the oil again at the start of riding season, it's not like oil or the filters are prohibitively expensive, even if you're using Royal Purple.
There's no way I will ever let gas high in ethanol sit in my carbs for long periods of time ever again. Even gas mixed with stabil turns into a dark copper green sludge that clogs everything up once those float bowls evaporate.
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And you think that is good for an engine?
High RPMs and hot oil are not an issue for oil or wear, especially with a synthetic oil. Cold starts that include high RPMs are. 5000 is way too high for an engine to run when it (and the oil) are cold. Do some research and you will see at what point wear is the greatest.
What a waste changing the oil again would be. Just change the oil and filter before storing, run it for 10 seconds, and don't start it again until you are ready to ride.
Anything else is unnecessary and is counter productive to protecting the engine during storage.