Question about 2003 Yamaha YZ 250

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I have a 2003 YZ250. The engine seized up. There

I have a 2003 YZ250. The engine seized up. There was water in the oil.

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The engine will need a complete overhaul. New bearings throughout, new piston, rings, water pump and a full set of seals. A cylinder bore job or new cylinder also. You are probably looking at $2000 to $2500 for the repairs. A used engine may be a lower cost choice. Google motorcycle salvage yamaha and see what you can find.

Posted on Nov 12, 2009

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How to fill forks 2001 yz250 yamaha


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Engine lite on allso my i have coolant problem every i saw greese in my coolant i cleen it it come right back help me please


Doesn't sound to good. A cracked head between cylinders will put oil in water...Check your oil dipstick to see it water is getting in oil.

Aug 12, 2013 | 2003 Chevrolet Malibu

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How much oil does a 2003 yz250 hold


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Nov 10, 2012 | 2004 Yamaha YZ 250

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My 2001 yz250 is leaking alot og gear oil when idoling out of a hose coming out the bottom of the bike then wen i shut it off it starts leaking coolent out of another line coming out the bottom of the bike...


The leaking coolant is a sure fire sign that you likely have a blown head gasket or your water pump is not pumping water any longer and the bike is overheating.

The leaking oil could be coming from your power valve vent - is it pitch black oil and is it coming from the front of the engine?

What color is the oil? Are you sure its gear oil? Is the gear oil milky and foamy? Is the gear oil level high or low? Is there water in the oil?

Sorry for all the questions - there are several things that could be happening here.

Oct 15, 2011 | 2003 Yamaha YZ 250

1 Answer

Need to know how much oil goes in the gearbox of a 1999 yz250


Here are the specs for 2003 Yamaha YZ250 gearbox: Periodic oil change 0.75 L (0.66 Imp qt, 0.79 US qt)
Total amount 0.80 L (0.70 Imp qt, 0.85 US qt).

I know it stinks that it can't be a round number but those are the specs. I hope this helps you out.

Apr 23, 2010 | 2003 Yamaha YZ 250

1 Answer

Changing oil on yz250 1996


there should be a 10mm hex bolt head with a phillips screw slot , oil will come out of this when full, use a motorcycle oil, car oils will make clutch slip

Mar 27, 2010 | 2003 Yamaha YZ 125

1 Answer

2003 YZ250 two stroke, where is the crank case oil full level?


why would you add oil to a crankcase!Especially when you MIX oil and gas for the engine,the only case you need to add to is the drive case for the chain

Mar 23, 2010 | 2003 Yamaha YZ 250

1 Answer

My dirt bike isn't changing gears


sounds simple, but make sure your shift peg isn't worn at the splines. some times it will pull it to the shift point then it will slip.

Aside from that you have to do the complete tear down to get into the gearcase. check your oil make sure its clean.

May 30, 2009 | 2003 Yamaha YZ 250

2 Answers

Kx 85 seized!


Yes. If you don't the engine will seize again and again until it just plain locks up. By the way, oil in the gas is what lubricates the crankshaft bearings and connecting rod bearings.

Apr 28, 2009 | 2003 kawasaki KX 125

1 Answer

What fuel 2 oil mixture do i run my yz250 2003


if you google ronnies.com and just go through the links to get your bike and it has all the diagrams you'll need. i have a 2000 yz250 and i run mine on 50;1 (100ml oil per 5 litres of petrol) and have found it runs really crisp and clean without the usual clouds of white smoke.

Mar 02, 2009 | 2003 Yamaha YZ 250

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