1996 polaris sportsman 500 throttle body wires
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By Drillbit
Hey all,
I need some input on a problem I'm having with my Kodiak 400 that keeps fouling plugs. First off, I've done a lot of work to this thing, most of it all in good fun. Brake work, cv joints, u joints, carb kit, checked valve lash, compression good, changed all fluids, etc... My problem is it keeps fouling plugs very quickly. I can put a new (manual recommended plug) in and it starts right up, runs great, idles great, picks up good. Doesn't stutter at all. I ride it for 1/2 a mile, it cuts off and won't start back up. I let it sit overnight thinking maybe it got to hot. Try to start it the next day, nothing. Put a new plug in, fires right up, runs great for another 1/2 mile or so, dead. The plugs come out and look carbon fouled with dry black soot on them. I don't know if this is a fuel/air mixture problem or a ignition problem. A couple of things that I noticed is I never need to pull the choke out to start it. Also, when it starts it automatically idles high like an automatic choke would do, then it comes back down to a good idle. Also I noticed that the air/fuel mixture needle valve screw does nothing when I adjust it in or out. I can screw it all the way closed and the motor still runs and idles good. Any advice would be greatly appreciated. I'm almost leaning to a ignition breaking down the plugs??
Thanks!
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By Uglyside38
Has anyone had any luck converting an older quad from a 7 wire CDI to the newer (and cheaper) 5 wire CDI?
I have a 1988 Suzuki Quadrunner and I believe the CDI is on it's way out...🤦🏼♂️ A used CDI from 1988 goes for $250-$300 on the bay...and that's when you find them. The Chinese CDIs for the 1990 and up quadrunner are only about $40. I have read a blog from a guy who says it's possible and that 2 of the wires can be omitted if the rectifier is a newer one also. Any experience with this would be greatly appreciated!!!🤙
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By 97kingquad
Okay so I bought this 1997 sazuki king quad from a guy and he had it for a few years.
He had it registered and on the trails last year but he said it bogged and backfired when he would try to drive it. so it sat for a year.
I bought it for 800 bucks and got it running that night and it ran great for a few days
But I parked it the other night and went to start it again and it was really hard to fire up and when I did it was bogging and idling high then low again.
So I took the carb out and cleaned it (ended up doing it twice because it was still doing the same thing)
Now today I have it running slightly better, but it is still like 20%
I have been looking it up and trying to figure it out but I can't find the issue, has anyone else had this problem? I'll attach a video of it running and giving some throttle
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By alexwv1863
Hey everyone, I have an issue with my dad's 03 Yamaha Kodiak 400. It had been running great but he left it sitting for a short amount of time. When he started it, it ran fine for a little bit but all of a sudden it quit taking gas. I thought it may have been the carb because it him not running it. The carb ended up being pretty clean. He put it back on and after taking it off and cleaning again, I'm beginning to wonder what it could be. It'll start and idle just fine, but when you go to give it throttle, it'll die out. It sounds like it's not getting air right but idk where to look or what else it could be. I'm stumped and need to figure this out before I go crazy. Anyone have any ideas???
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By dlgg7
I've had this for probably 15 years. It ran great till 4-5 years ago, mainly riding the grandkids around our fields, till it wouldn't start. It sat for a couple of years till I bought a new battery, but couldn't get it to even hit, so rebuilt the carb, put on a new fuel pump, but no go, so it's sat. Several days ago, charged battery, cranked over and it started??? OK, idles good, but won't rev up, so emptied gas tank, flushed out and filled w/good 93 octane, pulled pump line from carb and have good full line of fuel cranking over. New spark plug, good spark, old one black BAD! Oil change, adjusted valves, no difference. Pulled carb and took apart and cleaned, didn't find any clogs or crusted up inside. Now I've had the carb back off probably 6 times checking, double checking anything I can think of. No gas blowing back in air box. It idles good, can increase throttle up some then starts popping and dropping rpms off and if I don't let off the throttle, it'll die. I've read for 3 days now MECHs and RANDY walking several thru tracing the same problem, tried MOST of the direction given. ???
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