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HEIMCHR

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About HEIMCHR

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    TT Newbie

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    Illinois
  1. HEIMCHR

    Engine Compression

    Hey guys, I did a compression test on my bike today(05 CRF450) and it read 145 psi. Does this sound normal or low? It runs but it seems like it has lost compression and I am not able to ride it cause I live in the city. I have to wait until I get out to a track. The last time I rode it it seemed fine, but it felt like it kicked over easier than my friends CRF250. But not sure if it just has a different auto decompressor so it feels weaker than his 04. Plus when I first start it up it blows smoke for a bit, but then settles down after warming up. The plug looks like it is running rich. let me know your thoughts, thanks
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