Question about 2003 kawasaki KX 250

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Whats the piston size for a 2003 kx250 - 2003 kawasaki KX 250

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66.4 x 72.0 mm

Posted on Mar 18, 2009

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249 should be

Posted on Mar 05, 2009

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Kx250 2 stroke piston shaft


Thats The Piston Rod It Conns To The Crank Shaft as the eng turns it gos up and down in the cyn jug it cant be removed until the lower end is dissambled.

Jul 04, 2013 | Motorcycles

1 Answer

My 2003 kx-125 will not kick over. It has a new piston but locked up on me recently. Please help me Thanks, Dustin


hopefully u put the rite size rings n piston in--du u hav proper libricant in case-what that model calls for--how is the cam chain tensioner @ correct value--du u have a shop book like clymer etc

Aug 30, 2010 | 2003 kawasaki KX 125

1 Answer

Froze up brake caliber how would u fix it on 03 kx250


you would need to change the main and the dust seal.
Pump out the piston then remove the dust and the main seals then clean out any white powder residue in the slots where the seals were, clean the piston with wet and dry paper or 1000 - 1200 grade glass paper and replace seals lubing up with brake fluid first do not use oil or grease as this will swell the seals and replace the piston, you may need to give this some GENTLE persuasion with a G glamp.
It's easier when bleeding your system to leave the caliper loose and also any ties that hold the brake line to the bike and try and get the caliper held above the fluid resevoir thus making it easier to expel the air as you have quite long brake lines in this bike.

Hope this helps

Apr 22, 2010 | 2003 kawasaki KX 250

1 Answer

Replaced head piston and rings and my kx250 still smokes and burns oil


how did head look did you see lines in cylinder if not may have to hone out,make sure ring gaps dont line up may have to much oil in gas, not really a bad thing

Oct 04, 2009 | 2003 kawasaki KX 250

1 Answer

What is the year model of my KX250


Any Kawasaki dealer can take that frame number and tell you exactly what you have providing the bike is reasonably current. They are about the only ones who have the code list. Give a dealer a phone call.

Sep 01, 2009 | 2003 kawasaki KX 250

2 Answers

Wich oil should i use for my kx250 98 mod


go for repsol tranmissiones and motul racing 2t oil

Jul 17, 2009 | 2003 kawasaki KX 250

1 Answer

Bore size


The cylinder bore is just that > the bore size of the cylinder. The piston clearance should be 0.0015 to 0.003. Anything more than .005 and the piston is too loose.

Apr 17, 2009 | 2003 kawasaki KX 250

1 Answer

2003 kx250 kick start


now then, i have a kickstart, i bought it for my kx 125 1999 but it doesnt fit it you send me the dimentions of the bolt it fits on to and the one i have will fit ill sell you it

Mar 02, 2009 | 2003 kawasaki KX 125

1 Answer

Problem with the powerband on my kx250


sounds like you need a new power valve in the cylinder. They can go bad and thats how they will act. You have to take the cylinder off to change it. If your that far you might as well put a new piston and ring in it.

Jan 23, 2009 | 2003 kawasaki KX 250

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