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By Christian Brindle
I have a 2000 Polaris Sportsman 500. A year or so ago we got it running after replacing the kill switch. It ran great but after some use for a couple months it got a flat tire and for some reason we just forgot about it and it sat for some time. Before it sat i replaced the gas cap, fuel filter, fuel pump, petcock, battery, starter relay, oil and oil filter. I recently went to start it and it started so quickly and without choke or throttle but the ATV wouldn't move till about 1/4 throttle and it wasn't really a smooth ride until 1/2 throttle. it also would bog out randomly after you came to a stop and sounded like it was getting too much fuel. I cleaned the carb and adjusted the air/fuel screw to 1 3/4 turns out. I also messed with the idle and the throttle cable adjuster up on the handlebars. It's safe to say it now runs worse than when i started working on it 2 days ago. It takes more effort to get started and bogs out idling after about 30 seconds. I tried adjusting the idle but every time i do it'll get to a sweet spot but after driving it down the driveway and back the idle will go up and down to the point where i can't put it in gear because the gears will grind. Any thoughts or ideas would be greatly appreciated. Thanks
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By JacobSlabach
So my parents have not let me get my license yet and I need to get around to gets parts and stuff. Answer: Yamaha CW50 scooter. This is a 2-cycle self-mixing scooter that so far, I am really surprised with the power output and speed. It reaches about 45mph since the speedo has been disconnected and has plenty of power for two riders. Its stupid looking, but with some work and a title and plate, it'll take me around town.. My issue is this: No key. I bought it for $150 from a friend and he bought it from someone for $100 who wired in a switch in place of the ignition. That guy got it form his neighbor who's renter left it behind. The scooter will run with this switch on or off (kill switch on handlebar kills engine) To get it tiled and a plate so its road worthy, I need to get the ignition working either by a replacement key or a new ignition. All wires are cut to the ignition and the switch turned on the power to the signal light switch. Also, the 2-cycle oil was leaking out the carb, through the air filter and onto the scooter. also, it runs great, but its making blue smoke with throttle and the muffler is wet with oil.
(I have new signal lights for it btw) So the issues I have with it summed up:
No key (need new ignition) smokes burnt out headlight- can I replace them with LEDs? -
By james p
Hey all new member so I'm sorry if this isn't the correct place to post, but I'm having trouble with a 2000 polaris magnum 500 I just acquired. The quad ran when I got it but was having problems that sounded like the camshaft, and sure enough camshaft lobe was pretty much gone, so we replaced the camshaft and exhaust rockers and now the quad doesnt have spark. We had the quad running right before we tore the old camshaft out and now no spark. Anybody else ever have a problem similar? We've been checking for loose wires, checked grounds, and double checked timing but cant get it figured out so any advice would be appreciated! Thanks
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By Cj Winds
I have a 2000 Polaris Xplorer with the 250 two stroke motor
It does not want to start with the electric start, the motor cranks fast, the battery is good, and there is good spark when cranking. The engine starts perfect when using the pull cord, it even starts if I pull the cord slowly and starts with one pull. The engine idles smoothly once started. My wife says she needs the electric start to work.
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By MarkinAR
What is the opinion on carb kits? What's one of the better brands of aftermarket? OEM is always preferred but not practical, chinese cheapie is never a good option.
Thoughts ?
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By JPRICE1981
help needed please my quad starts up great but back fire when i give it throttle ! It runs great for about 30 to 60 sec or until it starts to get warm . could i get a idea of what you guys think this quad has had me stumped for days i have changed the cdi, carb, plug and thought i had it licked until i put everything back together
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By tonyells
My Quadmaster runs great on level ground and downhill. The other day we were going up a slight upgrade and it backfired and lost power going uphill. My neighbor says it needs a new spark plug. thoughts? I bought a new spark plug, however, I cant find where the spark plug is. Obviously Im not a mechanic! I looked everywhere without taking parts off. Can someone please tell me where the spark plug is? Very much appreciated!
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By ksinfield1
Has anyone bypassed the rev limiter button on the 550 Grizzly. Since I have put tracks on the quad, I need to run it at higher rpms in 4X4 in the deep snow. Is there any downside to bypassing the switch or even installing a 2nd bypass toggle switch?
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By rigman06
I have a 01 quadmaster 500 that im having some issues with. It was running fine then all of a sudden when I went to give it gas it started stumbling. I called a dealer and was told by their service department that it probably need a carb rebuild.
I soaked the carb overnight in carb cleaner and then rebuilt it the next day. the quad will start but it will only idle...when i give it gas it starts stumbling and backfires and wants to stall.
if anyone has some insite on this issue let me know
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By tuke
Hi. I recently had to replace the diaphragm on my QM 500, so I decided to add a sigma 6 jet kit. I basically replaces the main jet with a 135 (was 130) and moved the clip on the needle down one space (as per their directions) towards the RICH direction. Now that I have it reinstalled it starts great, idles great but if you try and give it any throttle it sputters, pops and looses all power. With the choke on it will accept throttle.
This implies to me that I am running LEAN, which seems strange as I moved the needle towards rich and put a bigger jet in?
I have checked the rubber connections on either side of the carb, the carb has been out and it is CLEAN.
So any thoughts other then just "clean the carb".
Thanks
Chris
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