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| That ain't a cheap oil change, but as expensive as it is, it's way cheaper than rebuilding a motor. |
You watch someone like Nick Sanders ride up and down the Americas for tens of thousands of kilometres and you wonder how his Yamaha looked like it had barely been used at the end of it:
Engines are designed to be running. The very worst thing you could do is start and stop an engine over and over again (like we all do every day). In the case of Sander's epic rides from Alaska to Argentina and back, while what the Yamaha did was astonishing, the fact that the engine was in good shape shouldn't have been a surprise. It was barely ever allowed to cool down.
Oils become acidic and moisture seeps in as things continually heat up and cool down. Leaving old oil in your engine over the winter isn't doing it any favours. Swapping out contaminated oil for clean oil before you put it away is a great idea, so your engine isn't soaking in the bad stuff.
Swapping it again in the spring is just a waste of money. Oil doesn't go bad sitting, but once you're into the heat up cool down cycle again keep an eye on your mileage, and keep up on your oil changes, your engine will appreciate it.
Chemistry is where the big advances are happening nowadays. Today's oils have astonishing temperature ranges and abilities. Here are some links on what's going on with lubricants:
http://www.motorex.com/index.cfm?oid=1993&lang=en
http://www.bp.com/en/global/corporate/bp-magazine/innovations/reinventing-the-oil-change.html
http://www.edmunds.com/car-care/stop-changing-your-oil.html
https://mobiloil.com/en/motor-oils/mobil-1/mobil-1-4t-motorcycle-oil
http://www.machinerylubrication.com/Read/475/oil-breakdown
