I have twin 1994 txrs 250 yamaha's carbureted engines. The left engine is surging at wot 500 rpms back and forth. I replaced all the fuel pumps and filters. Before I go through the carbs I noticed the clear bowl for the fuel filter on the engine is half full all the time. The fuel bowl on...
I have twin 1994 yamaha txrs 250 engines. My right engine runs strong all the way up to 5800 rpms. My left engine tops out at 5200 and then starts surging down to 4500. It just started this year, last year they both ran solid to 5800. I am assuming fuel problem and I am leaning towards...
My problem is my left throttle has to go about 1 in farther than my right throttle to acheive the same rpm. Is there any adjustment in the 704 box or what do I adjust at the engine?
