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Search the Dirt Rider Forums:Problem with cr250 won't crank
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So I just bought a 98 cr 250 from a friend. It's just been rebuilt not long ago. When I got it it ran fine. I test drove it went back a week later bought it and drove it home with no problems. A week later I came home from work went to ride and it wouldn't start. I put a new plug in it and new gas and checked everything I knew to check and it all seemed good. It's getting gas and the plug is getting spark. I have no clue what would be causing this. If someone can help me Id appreciate it.
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Than it has to be a compression issue.
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But wouldn't it of not ran at all before?
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Not necessarily, I agree with ctmeeks2011, check the compression and rule that out. How long ago was the top end rebuild.Did it have a proper break in cycle?
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Fuel, spark, What about air? Look for a clogged air filter or stopped up breathers. If all that checks out than check to see if it has low compression.
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How long was the gs left in the carb? clen the air filter and carb. look for varnish, Last time mine did this I had left a rag in the air box after cleaning the filter.
Never Too Old
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