HOW DO I CHECK CRANKCASE OIL IN MY 2003 YAMAHA YZ 250?

SOURCE: oil for dirt bike

You have an oil level plug in the side,It is about an inch wide and has an allen hole in the center,You just take that out and fill the oil until it reaches the bottom of the oil level plug hole.


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SOURCE: 2003 YZ 250 Oil Change

Use 10w40 in the gearbox. Get the oil from your Yamaha dealer along with any filter your bike may need. Some bikes use an oil change as the "filter". To drain oil, get the engine warmed up and turn it off. Put a pan under the gearbox and remove the oil drain plug. Replace the oil plug when the flow becomes a slow drip. Change oil in late spring, the middle of summer and in early fall. Remember to lube the chain and adjust it when needed. Lubricate the cables with liquid graphite. Lastly, install a stock spark plug. Now go for a ride.

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SOURCE: oil change on a 1993 yz 250

The filter is under a cover plate just forward of the clutch and towards the top of the gearbox. With filter change, the bike takes 1.16 quarts of 10w40 motor oil. ( 1.1 liter ).

Download a free PDF service manual >

http://www.carlsalter.com/motorcycle-manuals.asp

Page 2.1 for capacity and 4.56 for oil filter.

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SOURCE: YZ 250 F 2007 Fork oil level

how do i check my oil level on my yz 250

SOURCE: how to check oil level on my 03 yz 250

Checking the oil is easy. Changing the oil and filter is a bit more complicated. I am giving you a website where you can do a free download of a factory service manual. Go to this site >
www.carlsalter.com/motorcycle-manuals.asp The site may take up to 20 seconds to fully load all the manuals available. Yours is in the list. Go to section 3 pages 13 to 17. Below is one of the diagrams.