Thanks for the replies. I will check everything out on the carbs and throttle cable. I don't understand how a leaking crankshaft seal would cause the engine to stay reved up. When the air/fuel mixture from the carb is reduced how would the engine still be getting fuel to stay reved up? What would be...

I have just gotten a 78 El Tigre running that hasn't run for more than 10 years. I completely cleaned the carbs and got the floats unstuck. I took the drive belt off and started it up. I runs good except when I rev it up to about 5 to 6 thousand and then I let off the throttle it seems to stay up th...