High idle 1997 gp1200

Check the cable between the throttle and the engine to see if is been routed wrong or kinked this will cause it to idle fairly high

There are two screws on the carburetor. One of them controls the low end (idle) and the other controls the high end (top speed). Adjust the low end to, should be the left, about a 1/8 of a turn at a time until you get the idle speed you want.

indicates that a component in the ignition circuit is overheating internally and failing
could be a coil or cdi unit or any sensors if fitted

Did the Impeller Pitch Change? Pitch will change the Max RPM, Are you Pulling harder out of the Hole than you did prior? You may have traded Torque for Top End

Check the throttle cable isn't too tight, can you feel that the twist grip snaps to the stop or closed position, if not loosen off the adjuster on the cable at the top by the twist grip.

The carburator may need adjusting. If this doesn't correct the problem check the air filter then clean or replace it. If this doesn't correct the problem inspect the diaphragm for holes or if it has become hard. If so replace it. Otherwise the carburator may require rebuilding or replacing.

yes I would due engine. heck for $2,200 dollars I could do the job parts labor and all

Just ride it normally. Avoid super high revs when the bike is not in gear and using the power.

Please rate this solution. Thanks bookerm!

It sounds like you have a vacuum leak or intake gaskets leaking. Try this. Start the engine and let it reach the idle it want to go to. Get you a can of Brake Clean and spray it around the intake manifold (it on the top center of the engine, you may have to removed a plastic cover) If the engine idle changes up or down then the intake gaskets are leaking hence your vacuum leak. I hope this will help you.

too rich, adjust thehigh idle screw