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2004 Suzuki Eiger 400cc backfiring
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Similar Forum Topics
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By Clydaho
2022 Sector 550, 414 miles on it and the gas gauge reads empty. I topped off the gas and it didn't change.
There is no fuse that I could find. No access at the gauge cluster.
Wiring on the top of the tank looks good, properly connected.
Could the sending unit in the tank be stuck or broken?
Has anybody removed the tank lid? Any tricks?
Any other ideas?
Thanks for any help,
Clyde
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By Suzukiquad
I just bought two 2002 Suzuki LT80K. Do I need to mix the gas or use straight unleaded?
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By p5200
The studs in the sprocket hub are stripped out. The hub is probably walloed out also. Probably will have to have a new sprocket hub. I doubt I have the ability nor the tools needed for this job. Thanks for all suggestions/opinions!
20240225_155255.mp4 20240225_155255.mp4 20240225_155255.mp4 20240225_155255.mp4
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By Bobbywolf
I am working on a basket case for a friend. It is a 98 Big Bear (YFM350FWB). It came with a parts machine which is a 96, which I am coming to find out is VERY different from his machine.
Anyway, first thing is first. I checked compression, 150psi. Valves are set correctly, and the engine is in time. I cleaned the carb, and there was some junk in the passages. It is a chinese carb, which I figured from the lack of markings or lettering altogether.
The bike runs. It idles ok, but breaks up badly under acceleration. Pulling a new spark plug shows it is running lean. White strap, with no black whatsoever. So I have the carb adjusted with the mixture screw out way too much (about 5 turns), and the diaphragm needle lifted to the top slot. It is still not getting enough fuel (or too much air). It backfires through the carb, and cannot get above idle without carrying on. The carb boot is in good shape, so it isn't pulling any air there. I did test this as well by spraying ether around the boot when running, looking for intake leaks.
Anything big I am missing here? I am starting to believe that this chinese carb is the issue. This quad came with the original carb, which I would like to rebuild and use, but the mixture screw is totally stuck, and stripped way down in its recess.
Thanks for any assistance.
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By Topendcol
First issue was fuel pump wont start once ignition has been turned on. Replaced the pump as I had one on hand, than noticed no power so replaced the fuel pump relay as that was were i traced the power to. Still nothing so further inspection looks like signal is coming from the PCM (FLR B20) but not switching the the brown wire to the fuel pump. Ive checked the operation of the bank angle sensor and it appears operational. Fuses and wiring all appear OK. The engine stop relay also tests OK. Ive been through the repair manual and diagrams but to no avail. Fully stumped, any tips would be helpful. Thanks
Col
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