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At what interval should I be doing oil changes Bike is broken in a bit now with 500 miles and taking it in for its first oil change but are you guys doing every 3k or 1.5k?
 

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I do 1k then every 4k to 5k. I do use Amsoil. But any quality oil will work
 

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I use synthetic and I simply change it every spring. I don't worry about mileage very much.
 

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Oil change normally should be linked to the conditions of use. Like dry and dusty conditions or extensive mileage being done regularly will dictate an early change. It's difficult to put a figure but as a thumb rule when conditions as described above are met, then every six months is a good time to change oil. Secondly, all oils have a shelf life of one year. Irrespective what the manufacturers say, all oils have additives which act as detergents or enhance oiliness and such like actions. When an engine is running and the oil heats up, certain chemical reactions take place which invariably alter the original composition and effectiveness of the oil. Therefore, it's best that the frequency for normal usage should be one year.
 

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I also generally change oil and filter once a year. I have only put 2500 miles on my VRSCR so far this year, so I will likely stick with conventional oil and save over half the cost of oil compared to synthetic (5 quarts for this bike). However, if I had ridden 5000 miles over the summer, I would change to synthetic, but still change it once a year. When it comes to oil and change intervals, you are going find that opinions vary greatly (just like politics), the key word here being OPINION. If in doubt, stick with the HD recommendations for change intervals, and you won't have any issues.

Usually oil manufacturers will recommend change intervals for their specific oils. I will give an example: I had a KX125 two stroke dirt bike that required a 32:1 mix. However using Amsoil synthetic two stroke oil allows you to mix 50:1 without any ill effects. I sent an email to them to confirm it for the KX application, and they replied within a day or so to ensure me that mixing 50:1 was no problem.
 
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