RMz250 engine lock up

Old 06-14-2010, 05:24 PM
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Join Date: Jun 2010
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Red face RMz250 engine lock up

Just got my 2009 RMZ250 back from the shop after a crank seizure. It ran good for an hour, staled and the kicker is locked like it seized again. After a 20 min. cool down, it kicks hard and runs. Seems to run OK, but... What the heck is up with that? Is there such a thing as vapor lock or de-compressor malfunction? Has anyone had an issue like this?
Old 12-13-2010, 03:54 PM
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Join Date: Dec 2010
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Default rmz250 siezed

mine did the same so if you get it fixed let me know what happen and how much it costs
Old 12-31-2010, 11:35 PM
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Join Date: Dec 2010
Posts: 5

Well it is not the decompresor. but then i could be vapor lock. why don't you remove the lock and clean it and place it back. i think it should resolve the issue.
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