hey i have 99 warrior 350 so today i went for a drive back through the bush got a little muddy when i got back up i let it cool down then washed it when i started it back up i hear i whining noise in the engine not real loud but its there. its there while driving or sitting still.l if i rev up the engine the whine gets louder. i cant tell where the noise is coming from . u guys have any idea? bearing noise ?