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2004 kx250f no start


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I did a compression test without cams installed and it was 43lbs. I did a leak down test and set at a 100lbs air is constantly leaking through the carb so the intake valves are not seating properly. This was all supposed to be fixed and tested by engine dynamics in California. I heard great things on here about them but no so sure now

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I did a compression test without cams installed and it was 43lbs. I did a leak down test and set at a 100lbs air is constantly leaking through the carb so the intake valves are not seating properly. This was all supposed to be fixed and tested by engine dynamics in California. I heard great things on here about them but no so sure now

 Well maybe before blaming the machine work done, are you sure you have the correct shims installed? You CANNOT install the original shims after machine works been done. If those are good then maybe they didn't grind the valves in correctly or the valves are hanging up.

Edited by kawisrok
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Just talked to engine dynamics, for the mix up he is having me ship my head back to them and they are going to give it a valve job, fix the exhaust bolt hole, shim it, and replace any needed parts for free! Cant ask for better customer service than that!!

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  • 3 months later...

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