How to miantain your bike
to change the oil on a Honda CRF250R first warm up the bike so the oil flows easier then turn it off and remove the drain bolt under the engine to let all the old oil out after that take off the oil filter cover replace the old filter with a new one and put the drain bolt back in tightly then pour in the correct amount of new oil check the level with the dipstick or sight glass start the bike for a minute and check again to make sure there are no leaks and the oil level is right.
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to clean the air filter on a Honda CRF250R first take off the seat and remove the air filter carefully so no dirt falls into the intake then wash the filter using proper air filter cleaner or soapy water and let it dry completely after that apply air filter oil evenly over the filter and squeeze out any extra oil then put the filter back in making sure it is sealed properly and refit the seat so no dirt can get into the engine.
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