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By DaDolt
So, I found myself in the only 5' deep water hole in Moab with the King Quad. Before I could get off it swallowed water at idle and died. The river water was not very clean. I pulled the plug and pumped the water out of it with the starter. I cranked on it and it popped for a second and then was done. Towed it back to the trailer. When I got home I checked the compression and it had none. I have a factory service manual. Disassembled and found the rings stuck in the piston lands. New rings and back together. I try to start it and get a C12 code CKP - crank position sensor. Troubleshoot and find it to be shorted. Installed aftermarket CKP, still get code. Check voltage on new CKP and only get 4.5V, manual calls for 5V minimum. Pulled every connector apart on vehicle and cleaned. Have continuity from CKP sensor side of connector to ECM harness. Install a known good ECM from another 2005 KQ I have. Vehicle fires and I let it run for 10 minutes. Shut it down and put the original ECM in and get a C12 code again and won't fire. Put the known good ECM back in and get C12 and no fire. Tested both ECM's in the other KQ and runs well on both ECM's. Installed a used stator and CKP. Still get a C12 code. Check used stator, 200 ohms and 6.5 V out of the CKP at the ECM harness. Checked ground at ECM harness and it is good. Checked spark with spark plug and without, none. Checked resistance and peak voltage on coil and it is in spec.
This thing has me baffled. All of the electrical possibilities seem to check out. Might be far fetched, but could the rotor key have sheared when it shut down suddenly when the cylinder filled with water? I know rotary lawn mowers can shear the flywheel key when the blade stops suddenly from a rock or stump. If the key is sheared and the flywheel is out of time by a few degrees could this be giving the C12 code? The voltage output is correct but at the wrong crankshaft position (wrong time).
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By AussieKingQuad
View File 2007-2010 Suzuki King Quad 450 AXI service manual
2007-2010 Suzuki King Quad 450 AXI service manual
Submitter AussieKingQuad Submitted 11/23/2023 Category Suzuki ATV
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By Jhb12686
Hello I appreciate the welcome into the group. I am beyond frustrated with this desperate search for parts. I have a 2013 XY power sports UTV 300. I had a catastrophic failure in my rear differential which resulted in the destruction of almost everything inside. I have located everything I need to completely redo the rear end. But I cannot find a short side axle shaft with six splines etc. it's an offset differential and one shaft is longer than the other and I need the short one. The tip of it broke off (pic). Any help in getting another shaft for this thing would be GREATLY appreciated. Thanks guys
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By 1998Zuki250
I know I know, There are seemingly 10000000 posts about the fuel issues on the late 90's Suzuki LTF 250 Quad runners. But I just got my 1998 and I only got it for $200. It idles but nothing on throttle. I cleaned the carb, and ultimately I had to order a carb, fuel pump and petcock as cleaning everything didnt help. Any suggestions?
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By DarkRider
Hey everybody,
Just curious on some opinions on my recent buy. I'm a big fan of the drivetrain and transmission in the Suzuki King Quad 300 and QuadRunner 250 4wd models. I've been wanting one of either model for quite some time, and recently picked up a really nice shape one for 1500. I just wanted to get some opinions on whether you'd be more hesitant to get something this old, if there are newer options that are comparable.
Also just keep in mind this is coming from someone not super mechanical.
Key factors:
Engine doesn't appear to have any leaks Had to replace the battery for $100, no biggie Front left CV boot is torn (not yet sure if the axle has damage) Starts right up with the tap of the button every time (so far) Idle was a bit low and was shutting off when warm. Adjusted the idle. Now it will only shut off occasionally on a hill if I'm not rolling or giving it gas. Has a Harbor Freight Badland winch with a wireless remote (brand new, tested and working) Has brand new shocks and brakes Shifting gears and changing between 2wd/4wd/diff lock/high/low/super low all seem fine. Rides pretty good, tight steering, takes the bumps pretty good as I have pretty rough trails. Brand new tires Over 2000 miles, that's quite a bit, but it seems well cared for. Plastics are almost all there. It's really only missing a small bit of the black mud flap in the rear. Has minimal stitching in the front, and it's got the usual scuffs. All of the lights work just fine (Neutral, Reverse, high and low beams) Tested the charging system and that works
And I think that's just about all I can think of at the moment. It mostly seems to be complete and all there. I was a little hesitant about getting something that old, as parts are always a concern. Looks like most parts are available, but axles seem to be hard to get if you want something brand new. I really wanted a 2000's model but I couldn't pass up the price.
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