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Hi, I'm new to ATV/UTV's and am looking for any advice that would help to repair my 2018 Ranger 500. I got it from an insurance auction and have never owned one before.
It looks like it was sunk deep. Found rocks and sand in the roof, milky oil in the air filter box, water in the fuse box, etc.
So far, I've cleaned the air box out, vacuumed most of the rocks and sand, checked the engine, trans and diff casings for cracks/leaks.
The battery would not charge while connected so I know there is some short somewhere...probably the wet fuse box.
I plan on drying out the fuse box and all connectors with a hairdryer tomorrow, check the fuses, remove/dry out the ECM and disassemble/clean the air intake. Then install the battery and see if i can get it to key on and see what kind of lights I get.
Need to know what to expect with the engine/trans...
By Dra O
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
By Steven Alter
I have a 2018 450 and the digital gause has started flashing on an off while driving. The backlit also goes on and off. It is worse when I hit the gas. The battery died a few weeks ago and I jumped it but its been fine until last night. Called the dealer and showed them a vid and they recommend replacing the gauge and its like 600 bucks. The machine has less than 100 hours on it. I would really hate to have to change it out. also the unit sometimes has trouble starting. Any ideas?
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