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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 vonda flynn
I need help please. This is all new to myself & my husband. We have gotten 2 used fourwheelers so we can ride with our kids (kids have go carts). One of the 4wheelers is a 1998 Suzuki Quadrunner 500 4x4. It has rearend trouble.
We are having a difficult time finding new or used parts, & no luck with aftermarket parts.
Hoping someone here can help. We were told by Suzuki dealership that some Artic Cat parts will interchange, but he wasnt sure which ones & said there are companies that produce aftermarket parts, but wasn't any help there either.
Any help or information is greatly appreciated.... Thank you.
By Rock Ledge Homestead
I bought this four-wheeler used for my son's birthday last week. It wasn't running when I got it but after a new battery and some tinkering it has been running for 5 days probably 8-10 hours of run time.
Today after 1 hour My son wanted to wash it, I showed him how to be careful not getting water near the engine. We were careful but after we washed it and let it dry the motor starts but the transmission slips and won't really go forward. Even if I pick the back of the four wheeler up the wheels only go forward a tiny bit. It's as if something is slipping inside. But it worked fine right before the wash.
Not sure what brand. I was told it was 90 cc's the VIN is attached. Is it 90 or 110ccs?
No air filter came with it. Using a some old stockings until I figure out what air filter to order.
My son is so bummed so I want to get it back up to speed but also teach him how to work on it.
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