I am still having issues with my 94 MX 470, I cleaned the carbs at the first of the season and it would bog down/out after running for a short time. After some research I thought that the fuel pump could be the issue so I took the old one out and instead of cleaning I just bought a new one for $31. I put that in tonight and it still is having a problem, it will run for a few seconds to a min or so and then die out.I'm stumped for answers here. It does have gas in the tank, less than 1/4 and that is probably a mix of old and new, I don't think this could be a problem though. Anyone have any more ideas on what could be the problem???