How do I Change the Engine Oil?
Before draining the engine oil, you'll want to unscrew the oil filler cap (it's usually made of black plastic, with a raised twist tab.) Doing so will allow the oil to drain more quickly. If the cap is hard to reach or tightly screwed on, you might want to use needle-nose pliers.Place a pan or bucket under the engine and use a socket wrench to remove the drain plug, which is located on the underside of the oil pan. Be careful during the last few turns, as the oil-- which might be hot-- will start to spill out. IMPORTANT NOTE: Be sure to properly dispose of used oil at a qualified hazardous waste disposal facility. Dumping used oil is both illegal and harmful to the environment. The crush washer is an aluminum or copper disc designed to deform under pressure, which helps seal the oil drain plug. This part must be replaced after each oil change, and is seen here being separated from the drain plug. The tip of the drain plug is usually magnetic, in order to attract slivers of metal shed by the engine. While larger pieces are typically found during an engine's break-in period, don't be alarmed when smaller pieces routinely end up stuck onto the edge of the drain plug; just wipe them off with a clean rag. While the oil continues to drain, unscrew the oil filter using a filter removal tool, which reaches around what might be a tightly screwed in filter. Once the filter is off, make sure the filter's O-ring (a band of rubber that fits on the tip to ensure a secure seal) came off with the filter. In order to remove larger particulates, unscrew and remove the plastic mesh filter from the side of the engine case. First, wipe the mesh off with a clean rag so no particles remain. Then, if possible, blow smaller particles off with compressed air. While the drain plug, mesh filter, and oil filter holes on the engine are exposed, wipe them all down with a clean rag to remove any accumulated sludge, in order to ensure a tight seal. Every new oil filter comes with an O-ring; ensure it is seated snugly in the filter and spread a dab of motor oil around its top surface in order to ensure a tight seal. Then, using your hand, screw the new filter into the engine case. Be sure NOT to use a tool for this part; it's easy to over-tighten the filter and damage the O-ring when using a tool. Once the old oil is completely drained, which should take at least several minutes, use a clean rag to wipe down the drain hole and the mesh filter hole. Screw the oil drain plug (with a new aluminum crush washer) and the plastic mesh filter back into the case. Use the owner's manual (or markings on the engine) to find out the engine's oil capacity, fill it up with that amount-- minus about one half quart-- by placing a funnel into the oil filler hole. Screw in the oil filler cap and start up the engine. Let the engine idle for about a minute, then shut it off. After the engine has idled for about a minute, shut it off and wait another minute or so for the new oil to settle from the cylinder heads into the crankcase. Make sure the bike is perfectly level; if there is a rear stand attached to the bike, remove it so it rests flat on the ground. If the bike doesn't have a center stand, lift it off its kickstand so it sits up perfectly straight. Check the oil window on the side of the crankcase: if the oil is below the center line, top it off until it's perfectly centered. If it's already at the center, voila-- you've just successfully changed your oil!
SOURCE: how do i change my engune oil
Warm up the bike first. On Evolution Sportster's, be sure to change the filter the same time you change oil. The oil may be drained from the tank, by locating a blanked-off hose behind the transmission case, near the frame. Remove the plug and drain into a proper container. One problem with Sportster's (and other HD engines) is that some old oil is always left in the system. You can eject some of this by taking off the plug wires and cranking the engine to expel old oil back into the tank, and hence to drain line. Don't crank the engine more than 30 sec. to avoid damage. Never run engine W/O oil in the system. Recycle old motor oil !!
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