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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 John Brucato
Hi all new to the sight haven a problem with my 1988 kawasaki bayou 220 it ran then just died when out one day get gas but no spark any info will help I'm new to the ATV got it used and ran like a champ but don't know where to start when it comes to this
Back again with another headache, maybe you guys can help me out.
Picked up a 87 Bayou 300 not running of course, all stator wires melted
on the motor and also no spark. I checked the pick up coil ohmed out good.
traced the wires and led to no cdi box, yes missing. So ordered it and while waited
fixed the stator wires, had to wire direct to harness. Get the cdi installed and after a lot
of other things started it up. Battery dead so used a batt charger to start it. Now when i shut
off the charger the motor died. So i check charging voltage...nada. I see voltage regulator is
old and catalist leaking so i replaced it. Same thing no charge. I check stator and no voltage
with it unpluged from harness while running. Soooooo i replace stator. Now Stator wires have
23v and up to over 50v at higher rpms. So i know its charging now. Connect everything back up and
no charge voltage at battery! Still dies when i shut off charger. All 3 yellow stator wires have good voltage, checked
harness from stator to regulator and is good. The white wire has battery voltage at regulator, the brown wire has battery
voltage at regulator when key on. The Black/yellow stripe has good ground. I get 3 volts at battery when i shut off charger.
If i connect old regulator i get 7 volts when i shut off charger. Do i have a defective new regulator? Im stumped. when i
figure this one out i have a big wiring problem on another one ill let you in on. Az
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Just was given a 220 bayou, turns over and was wired by a crazy mouse on drugs helped by a committee of politicians taking advice from lil green folk from Mars! This is going to be fun. Claimed the stator was bad. My other project is an old lakota, died driving with no spark and has sat for a bit due to building a house n life! In other words,I may need lots of advice!
By Brother Buddy Gardner
Hello everyone! I recently purchased this quad for a mere 300.00 and it is pretty clean for the year. I bought it from a guy who bought it in a storage unit. He didn’t know anything about it. I got it home and noticed it did not have an ignition coil for the spark plug. I bought the ignition coil, a new battery, new CDI box, new starter relay, new safety neutral relay, new carb and so on... I got it to turn over, but when I pull the plug and check for spark I have nothing.. it has a non factory starter button that works when I push it and turns the engine over no matter if the key or stop switch is on or off..not sure what that’s all about, but it does turn over..just no spark at the plug. Any help would be greatly appreciated! Thanks!
By Tom Pavlak
Hi Everyone - Need some help.
Got a nice little 220...clean machine. wiring is a mess. I have a diagram however, the one I have has 4 wires coming from the ignition switch not 2 like mine. So, I cant trace wires properly.
There is a white one that runs to the Solenoid, and a brown wire...from the Ignition...I dont know where its supposed to go. Also, on the Solenoid, there are 3 wires..W to ignition, B to start relay and B/Y runs up to the front of the machine...and is not plugged into anything...and there isnt a "Mate" missing it. How do they plug into the 4 open shovels by the 20A fuse?
I'm pretty sure my Lights and start switch/Lights are correct.
Problem I cant get anything...new battery...cant get the start button to work, cant get any power to the lights or switches...so I know something is not grounded or..
Any advice would be greatly appreciated.
By Michael Rogers
Ok, another newbie post here. Checking this stuff out in issues with lost compression. Wondering if anyone can tell by the pics and video of the cam is good, and whether you can see anything visibly with the valves and timing gear.
Any input would be a great help. Been researching youtube videos, but just not sure.
2000 Bayou 220
I could test the exhaust, it looked like it was opening, closing and seating ok, but not sure about the intake.
CAM - looks like some wear on the outer ridges on both in spots, and one lobe to me looks kind of weird, but I don't know.
By Michael Rogers
Well this is my first time tearing down an ATV. Have done a little work on 2 stroke's in the past, but not much. I'm needing some help. I've got a Bayou that has lost compression. I tested it, and it was like at 40psi. I had already set the timing on it, and it does have spark fuel, etc...
My question is about the cylinder. To me it looks pretty toasted, but need some help in determining. It is a 2000 Kawasaki Bayou 220. I bought it not running, just to see if I can get it running so it has not ran since I bought it. This question is about the cylinder, and part 2 I have will be about the CAM.
Any advice / help is greatly appreciated.
Inside sleeve a line(left line) runs the length that I can feel with my fingernail. The line on the right I can't feel.
Some rust it looks like on these two pictures.
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