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By Quad king
I am not sure what is wrong with my King Quad. I had a new carburetor put in 6 months ago, just replaced the fuel pump and added an in-line fuel filter in. I have been trying to fix this quad for a while now and do not know what is wrong with it. It idles fine and runs great as soon as it is fired up, you can Rev it and stay in first gear with 100% power. As soon as I drive 10 feet it looses all power, I mean it is sputtering and doesn't move at all, but when I let off the gas after it sputters it idles fine. I will attach a video of what it is doing.
So yesterday I picked up a 07 polaris sportsman 800efi stealth edition for 3k. Will lead a pic ltr. In good shape. Here's what's wrong with it:
The rpm needle doesn't work just like my other sportsman... not too worried ab that.
The motor doesn't sound like it's running quite right and doesn't feel like it has much more power than my 500. I'm thinking it needs a tune up and some fresh oil.. but also it feels like it's running rich. It's a little buggy when you goose the throttle and sometimes farts when you let off (like I little backfire out the exhuast). I'm gonna check timing and valave clearence on the motor first but thinking of putting a tuner on it? Anybody got a suggestion? Mainly looking for more power.
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
By John Victor
My father-in-law gave my boy a 1999 350 Big Bear. It's been sitting in a barn for a bunch of years. It runs great! My boy has been riding a couple weeks now and it has developed a squeal coming from the front end when you get off the gas at speed. No noise during acceleration. At first I thought brakes. I took it for a ride and I don't think it is the brakes. I feel it is the front prop shaft U-joints, front differential or one/both axles. I pulled the fill plug on the differential and I can't find anywhere how much gear oil should be in there. My gut says up to the fill opening. It doesn't have a manual. It's wet in there, just don't see any gear oil.
#1 Should I fill the differential with gear oil up to the fill opening?
#2 How do I check or know if the u-joints are bad? That looks like a "Big Bear" of a job if they don't need to be replaced.
#3 What else could it be? I don't think it is the front bearings. I jacked the front wheels off ground and no play in the right wheel. Very little play in the left wheel, looks like the lower control bushing is where that play is coming from. The rubber CV boots look original but all still intact. Wheels spin easily without any noise.
Thanks for any help!
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