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So I have a 86 Quadrunner LT 230GE machine runs great for its age so I know I have to clean my carb witch im prob going to just rebuild with a Shiny rebuild kit that ill do this week .But I started quad 2 days ago after not starting for about 10 days and it was running real bad it was pretty cold out about 45 degrees F so I did some carb adjustments to pilot screw and pilot needle ( air and fuel screw and idle screw ) and got it running pretty good ,I also put the winter summer knob to winter position per manual. So now quad keeps stalling when fuel petcock is in on position but when in reserve position works fine I topped off tank with True Fuel its all I use (no ethanol) so I guess the fuel filter in the tank is most likely clogged or the fuel petcock may be clogged or not working correctly. My question is do the fuel filters come right out of the tank i see in manual that they are right in tank off the rubber bushing do they pull right out or does the rubber busing grommet have to come out ?And do you think I can blow the line out with air witch im not sure ill do because the filters are very thin and may break or tear any one ever change these filters ?Any help would be greatly appreciated .Im also going to clean and possibly replace fuel valve as I ordered one on Partzilla. Can quad run on reserve? Beside picking up bottom of tank gunk can any harm come from running on reserve as im waiting for fuel cock to be delivered .Thanks again

posted a while back - it was running at one point - I have all the plastic shroud off - it's down to frame and engine now -fuel pump: when line from petcock is attached, no fuel comes out other side to carb; the line to the carb is open (can blow through it); I thought when I cranked engine that the pump would spit out fuel on other side but it does not; I removed fuel pump and opened it up - diaphragm looks good - but internal areas had lotsa calcification build up - I cleaned this out and dried it good - the clear plastic pieces (?diaphragms) aren't broken - the spring w/ steel ball on end moves freely; am putting it back on tomorrow; but can anyone answer about the pump? isn't it supposed to pump fuel through it... to other side... to carb? puzzling -along with fuel pump: I replaced petcock 3 weeks ago (gas tank had rusty fuel in bottom - cleaned it out prior to new petcock); when I turn petcock arrow NOT to on or reserve, fuel comes out of line; when I turn it to on or reserve, fuel doesn't come out; puzzling -I don't know what's on back of fuel pump - it's a valve that has a hose coming out of it - looks like it goes to engine/carb - I haven't traced this out yet - what is it? -can squirt gas on air filter and engine will run for 2-3 seconds then stop - fuel in top of carb (under diaphragm) does same -it likely needs carb rebuild - will get to this - but something isn't allowing fuel to get from fuel pump to carb -I THINK it has a mikuni model x carb - diaphragm is ID 26mm OD 68mm - hard to find inexpensive diaphragm, I guess because it's a model x -last thing - I replaced solenoid due to old one clicking; I HAVE to be charging the battery or it won't start/turn over - battery just goes dead; but if charging, it'll turn over nicely; i'm guessing it's a bad battery -any help appreciated - I've never owned an ATV before - inherited this beast from grandparent in-law

Hello All, - I have a 1996 Sportsman 400 4x4 2 stroke, and the fuel petcock leaks like crazy. It leaks around the red barrel that rotates to the 3 positions, on off and reserve. Can it be repaired or is replacement the only cure? Thanks in Advance.