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9.8 4 stroke revving upon starting

Someone please help, I am confounded. I have a 2008 9.8 hp 4 stroke outboard, tiller handle. I took it out to lake to today and upon starting the engine overrevved ...I mean the thing was screaming at high rpms...and this was in NEUTRAL. I hit the kill switch and started it again...same thing. So I brought the boat home, took off the carb, gave it a good soak and cleaned the jets. Put it back on, started the engine again, and again, same problem.

I have checked the butterfly valves, both are working properly, nothing is wrong with the throttle cables....AAAAGH! I just don't know what could be causing the motor to do this! Please Help!
 
The throttle rod may be on the wrong side of the bellcrank. Is the throttle resting on the stop? Probably not.
 
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