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-   Trials Intake/Carburetion - 2 stroke (http://www.gasgasrider.org/forum/forumdisplay.php?f=68)
-   -   Strange issue with running lean (http://www.gasgasrider.org/forum/showthread.php?t=22330)

funmachines 01-29-2017 12:13 PM

Strange issue with running lean
 
I've been trying to solve an issue with my 97 JTX 270 and can't seem to pinpoint it. It runs borderline OK when I just start it and then gets very lean and it's not the carb - I've rebuilt it and it is clean, new float valve, etc. I also replaced the crank seal behind the stator and put in new reeds. It seems to me that there is either some other air leak I need to find or I have a problem with my gas flow from the tank. I'll take off the tank and check that but I don't think that is it as I get plenty of flow out the fuel hose and have replaced the filter I have in line.

Any ideas? Should I seal up the motor and look for leaks?

Thanks

SwampGasser 01-30-2017 06:45 PM

check intake rubber for cracks

cbutler 01-31-2017 09:09 AM

The carb has a filter on it at the fuel inlet have you cleaned it?

funmachines 02-03-2017 12:53 PM

Thanks for suggestions. I've cleaned and rebuilt the carb completely but did not look at the carb boot closely - I'll check that tomorrow. If that doesn't locate an issue I'll try to pressure and vacuum test the motor.

cbutler 02-03-2017 07:09 PM

Jim Snell would be more than happy to help you he is the former importer for gas gas you can contact him at trialspartsusa.com


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