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By psychodad
Have a carb off an '07 Big Bear 400 that sat a couple of years, probably more. Friend asked me to clean it, which I did, soaking the jets and spraying out all of the ports with carb cleaner as best I could. Replaced o-rings, needle valve & seat, tweeked float level. Bike starts and idles well but doesn't want to pick up above 1/4 throttle. That would appear to be in the slide needle range. Main jet is clean, needle is clean and straight, diaphragm good. It seems I saw (in a diagram) a port that comes into the slide needle area from the side. This would be in the carb body between the main jet and the throat of the carb. I would like to soak the carb in Gunk Carb Cleaner, the gallon paint can with a little basket. Curious what Mikuni uses for bearings and seals in the throttle shaft. I'm guessing HDPE or Delrin, or maybe brass; not sure what effect Gunk would have on the polymers. Has anyone actually soaked a carb in Gunk?? First hand knowledge, please, and what effect, if any, on the carb. Pulling the throttle shaft out would be a last resort. Getting the butterfly screws out and staked back in would seem to be a nightmare.
Thanks
Jim
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By Hungus
Hey guys, I know a 2000 Yamaha Big Bear 400 4x4 5 speed single range transmission is model: YFM400FM
But what is the model designation for:
2000 Yamaha Big Bear 400 4x4 "Professional" 5 speed dual range transmission... YFM400F??
VIN decoders don't seem to work for this Yamaha I picked up.
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By bcsman
Just bought this Honda quad and when I first drove it the steering seemed very hard. Those that I talked to said that's normal as it's full time 4 wheel drive. Well yesterday while looking from the front is looked like the front tires were pointing out quite abit. I measured the toe and was toe-out by a little over an inch. Yikes so this morning decided to try an adjustment and after an hour or so had the toe-out to 1/4". Took for a test drive and the steering was alot easier, still not like driving a 2 wheel drive but made a huge difference. There are differences as to what the toe should be set to but so far this seems to do the trick.
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By Martin Prevost
Anyone know how to change our display names ? Is search on the forum but can't find anything.
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