Question about 2002 TM Racing E 125

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My tm 125 suddenly lost all its power and isnt reaving out proplry. is my engine gone?

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  • jonnygjonnyg Sep 27, 2009

    its a 2 stroke. starts first time and sits idoling 100% but has no power when in gear

  • jonnygjonnyg Sep 27, 2009

    no i have no compression teaster. is there ant other way of cheaking?

  • jonnygjonnyg Oct 02, 2009

    thanks four help. the piston took a bang nd stuck the ring in one one side. a bit of sand paper done the job. going as well as ever.

  • michael schultz
    michael schultz May 11, 2010

    is this a 2 stroke? if so your rings could be bad and need replacing. the reeds maybe in need of replacing or flipping over. but this stuff would happen kinda slowly ovr a few hours. but the rings could just go bad. does it start right up? is it a 2 or 4 stroke?

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  • Master
  • 1,167 Answers

Piston rings by the sound off it or spark plug lose 1 st get a compression tester take the plug out and screw the compression tester in the spak plug hole and kick the bike over and see what psi it reaches get back to me my tm 125 suddenly lost all its power and isnt - 5035507.jpg

Posted on Sep 27, 2009

  • ollie reece-jones
    ollie reece-jones Sep 27, 2009

    putting your finger over the hole and seeing if it has a good suction and compression

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  • Master
  • 1,068 Answers

Yea like i sid the rings sound bad. but you have to take some test to make sure it is that! do you have a compression tester?

sorry it took so long to get back i was eating dinner. let me know.

Posted on Sep 27, 2009

  • michael schultz
    michael schultz Sep 27, 2009

    no there is ot. unless you know how much compression feels like? it the bike easier to kick over? that is a sign of low compression

  • michael schultz
    michael schultz Oct 02, 2009

    glad you made out alright! good luck man



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