Question about 2003 Yamaha YZ 250

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Yz 250 specs

1978 not 2003 what kind of oil do I use. Don't know the right gas mix

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  • Yamaha Master
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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.
Dirt Rider Magazine
Premix And 2 Stroke Fuel Ratios For Your Dirt Bike
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Jul 21, 2016

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Posted on Jan 02, 2017

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SOURCE: need torque specs for 98 yz 250,rebuilding engine

Go to the site below and you can download a free srevice manual for your bike.

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

Top rating due on this answer!

Posted on Apr 13, 2009

utvunlimited
  • 4 Answers

SOURCE: I would like to know how to rebuild a gas / oil

Try EricGorr.com Dirt Bike service manual is great. It will explain all that you will need to know about dirt bikes servicing your suspension and the complete bike tear downs. It cost about 20.00

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Posted on Oct 06, 2009

  • 1 Answer

SOURCE: YZ 250 F 2007 Fork oil level

how do i check my oil level on my yz 250

Posted on Oct 22, 2009

Woods Goat
  • 85 Answers

SOURCE: what oil weight is best for a 1996 yz 250?

Calls for 10w30. Any brand mc specific oil will do, along with any of the more expensive brands. If you need to go cheap, buy Type F (only)automatic transmission fluid. Change as soon as oil looks dark.


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Posted on Jun 12, 2010

SOURCE: engine oil in yz 250

all the yz250 needs is the pre-mix two stroke oil that you mix in with the fuel and also the transmission oil. the transmission oil goes in the filler cap which is located on the engine next to the kickstart on my 2002 yz250. this is for two strokes only. hope this helps

Posted on Feb 14, 2012

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1 Answer

Do i mix the gas or use straight gas


The answer is that ALL 2-stroke engines requires that you mix oil with the gas. ALL 4-stroke engines do not take oil in the gas. So the simple answer is if there is no place to add oil, then you have to mix oil in the gas - not the same kind of oil though! I don't know this particular model, but I have never seen a 4-stroke wearable leaf-blower. The kind on wheels could be either, but most (maybe all) are 4-stroke.

Sep 18, 2012 | Homelite Leaf Vac Attack

1 Answer

Starts hard and wont idle, no low end power, has been sitting i'm told, cleaned carb, fresh gas and new plug.


The starting hard and Idling problem sounds like carb needs cleaning. If this bike has moved from a different area it might need different jets in the carb. I might have jumped the gun the gas/oil mix ratio is very important check that first. your spark plug should be a golden brown when mixture and right jets are in. This might resolve the low end power if the oil mix is to rich or you might need piston rings. GOOD LUCK

Aug 09, 2010 | 2003 Yamaha YZ 250

1 Answer

I would like to know what kind of gear oil to put in my 06 yz 250


Calls for 10w/30. Any brand of mc specific oil will work. ie: Yamalube or Honda GN4 or the more expensive stuff will all work. On the cheaper side, you can use Type F (only) automatic transmision fluid. Just watch the color and change it when it starts getting dark.


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May 12, 2010 | 2004 Yamaha YZ 250 F

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

Excessive smoke


sounds like fuel mix is to lean, try another oil, and only use freshly mixed, the gas tears down the oil after even a few days, or as 2 stroks are know for it may be time to rebuild the top end.

Dec 27, 2009 | 2004 Yamaha YZ 250 F

1 Answer

1992 yz 250 won't start


A couple of things.1.Check the fuel oil mixture is correct.It seems rich.2.Check that the carby is not running to rich.With new reed valves etc.it may need to be set back to the original manu. specs.With older parts it may have been retuned to make it run with the old parts.(carby jetting etc.)3 make sure the fuel oil mix is using a good quality oil.It does make a world of difference.I hope this is a start to get you going.

Aug 24, 2009 | 2003 Yamaha YZ 250 F

2 Answers

YZ 250 F 2007 Fork oil level


how do i check my oil level on my yz 250

Jun 09, 2009 | 2004 Yamaha YZ 250 F

2 Answers

Engine oil in yz 250


On Two-strokes you mix the oil and the gas together. If it has an oil pump the bike will do this for you if you fill up the oil tank.

Apr 12, 2009 | 1982 Yamaha XJ 650

1 Answer

Piston rings


If the piston you are using has a pin in the ring grooves then the ends of the ring will be shaped to conform to the round shape of the pin. That will dictate how the rings go on.

If no pin exists, it doesn't matter which side us up.

Standard industry specs call for a 32/1 mix That equals 4 ounces per gallon of gas.

Please rate this solution. Thanks!

Apr 01, 2009 | 2004 Yamaha YZ 250

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