I have a 2000 Yamaha 130 hp. <br /><br />It idles fine, but when throttled up under load, it maxes out at 2200 RPM's. <br /><br />If not in gear, I get the full range of RPM's. <br /><br />I replaced the plugs (quite fouled) with new plugs. <br /><br />The motor ran well for thirty seconds...
