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I have a 1999 yz250 2 stroke dirtbike that wont.

Tiny
YZ250FTW
  • MEMBER
  • 1999 ALL OTHER MAKES RECREATIONAL VEHICLES
I have a 1999 yz250 2 stroke dirtbike that wont turn over all the way. It seems to be catching something in the cylinder. I was wondering if you had any idea what it would be. You go to kick it over and the piston only moves a little and stops. Hope you can help. Thanks, Alex.
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Thursday, January 24th, 2013 AT 3:23 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
Alex,
Normally, we only deal with cars, but I will try to help. If the engine won't turn, it sounds locked up. You need to remove the cylinder head and the cylinder to see what is going on. You could have a broken piston.
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Thursday, January 24th, 2013 AT 3:31 AM
Tiny
YZ250FTW
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Thanks for the fast reply. That was what I was thinking. When you kick it over it moves just slightly and then catches something. Hopefully the cylinder isn't damaged. It'll be a pricey fix. But thanks again. I'll let you know how it goes.
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Thursday, January 24th, 2013 AT 3:56 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
If you have other questions, let me know.
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Friday, January 25th, 2013 AT 11:56 PM

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