fuel petcock

[MAD450r]

My R started to run like crap last week. I finally figured out whats going on. Anyone else ever have the fuel petcock act up on there 450r. I have to run mine on reserve right now or it will run like crap, cut out and backfire alot.

[DirtDevilBT]

It's not something normal, just your gas tank full of plastic from a new gas jug or sand, something is clogging the "on" tube.