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Damsged throttle cable or housing. If cruisecontrol equiped, could be interfering with throttle grip rotation. good luck and no wheelies without a rider.
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This is a dangerous defect. What you want to do is isolate the Cruise cable from the Throttle mechanism. Then get the Cruise cable away from the Throttle so it can not jam the Throttle accidentally.
With the engine OFF use your hand and move the remaining Throttle mechanism and feel for sticking or roughness in the control. If you feel binding, start removing the connection of the Throttle cable and work your way through all the moving parts like a Butterfly flap on the Airhorn, the TPS (throttle position sensor) and so on until you find out what is rubbing.
It is possible that the Cruise was disengaging because the Throttle parts were binding. If disconnecting the Cruise eliminates the sticking throttle, then all the problems came from the Cruise control cable or the Cruise Box. Once you have made a thorough check of the Throttle you can blame the Cruise for your problems and replace the parts.
Remove the air cleaner assembly to see the carburetor throttle mechanism and open the handle so that you can access the throttle trigger. There should be either a cable or wire connecting the trigger to the throttle arm on the carburetor. Try moving the trigger and see if it responds at the carburetor. Is the carburetor arm against the idle stop screw, wide open, or some where in between? There should be a spring at the throttle arm that returns the arm to the idle stop if the cable/wire is disconnected. The trigger mechanism may be jammed with sawdust to prevent movement. Hope this helps!
cable pulled out of carb top and pulled throttle open. on top of this water pump stuck open and thermasat did not open. Unless water jacket is cracked. Motor went into deseiling and thats why it would not shut down with kill switch
see the air cleaner.follow the air duct leading to the intake manifold,there is a black sensor with three wires! at the side of the throttle body. thats the throttle position sensor.
Find where the throttle cable connects to the butterfly valve on your carb. Twist the throttle and see if the butterfly valve is sticking open. Your cable or the valve itself might be stuck, and needs lubed. The sell tools to shoot compressed oil into the throttle cable sleve, or start cleaning / oiling hte carb depending on what you determine is sticking.
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