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I have an 07' TRX-90. The throttle was sticking in the wide open position. Changed throttle cable, still kept sticking. Changed the carb completely, throttle still sticking. After troubleshooting many different things I noticed that as long as I had the carb unattached to the intake manifold the throttle works fine. When I mount the carb to the manifold, and do not tighten the bolts, the throttle works fine. As soon as i put any torque whatsoever on the bolts attaching the carb to the manifold the throttle begins sticking wide open. I have attempted to put gasket material between the manifold and carb to allow for less torque. It shows slight improvement, but still sticks enough to prevent me from allowing my child to ride. Has anyone ever experienced this problem before? The only thing I can think to do now is change the intake manifold. Otherwise I have nothing. Any input would be greatly appreciated.

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