Question about 2003 Yamaha TT-R 125 E
I had the same issue with my 2005 TTR90. The friction plates were glazed. Check the friction plates. If the are black and glazed, they should be replaced. For a quick test, rub the friction plates gently with sand paper to rough it up a bit. If you put it together and it works, then you have the same problem as I did. Note that, this is not a fix, you do have to replace the friction plates.
Posted on Sep 17, 2016
Does it feel like your kickstarter is slipping perhaps?
Check the spline teeth on the kick start pedal.
It's possible it's the shaft that slipping and not that you're not getting compression, since that would normally be constant, or not. I don't think you have a compression release but it's possible. I had the TTR250 (and loved it). Check on the top of the cylinder and see if you see a small cable being moved. I've usually only seen this on larger CC models, and not the smaller units like a 90, but worth checking.
If your kickstarter pedal is slipping then you may just need to tighten it, if it hasn't slipped/shaved off too much of the splines. If it's the shaft that's slipping that's going to be a bigger job replacing.
Posted on Jan 04, 2011
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Posted on Jan 02, 2017
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