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By Richard shepard
I have a 2021 colman 400utv engine will start and idle, as soon as you hit throttle to move engine dies and will only start when you throttle it, let off throttle it dies, I replaced the injector and plug still the same, anyone have any other ideas
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By catalyst
We own a 2020 Kubota RTV-XG-850, with only 400 hours on it and it has been at the dealer 3+ months. We were just informed our engine failed and requires a complete rebuild at only 400 hours! There is a loss of compression in cylinder #1, which is causing backfiring and a loss of power. There is also excess gas in the engine oil.
We are just outside of the manufacture's warranty period, and they are serving us a nearly $5000 repair bill, with only a 90 day warranty.
A member at a different forum had the same issue at 22 hours and fortunately, his RTV is under warranty. He was informed that "short tripping" (as Kubota describes it) causes gasoline to enter into the engine oil, which causes a dilution of engine oil and eventually leads to catastrophic engine failure. This killed our engine in under 400 hours!
Is anyone else with a 2018-2022 XG-850 running into similar issues?
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By mcraigchr
I realize that many of you do not have diesel machines. For those that do, this is for you:
Just wanted to post my experience this past week. Here in Texas, we had pretty good dip in temps. For 4 days it did not get above 25. At night, it was single digits or close to it. I always put Sta-Bil fuel stabilizer in the storage tank (30 gallon). And up until this tank I was using Power Service (white bottle) for anti-gel. Never had an issue.
This tank, however, I switched to Stabil All season (anti gel). It is supposed to good down to -40. Zap. That is a big fat lie. I put in twice the amount called for in the instructions. Result was less than optimal. I drove the SxS 100 feet (to go get the mail) and it died. I looked at the fuel bowl and it was a cloudy, wax substance. So, the Stabil did not work. That said, I'm not sure that I ever tested the Power Service in the same manner. So I am not saying that one is better than the other.
What are your experiences? Are these products inferior? What do you folks in the northern states / Canada use? Am I missing something?
CC
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By Hutch
Okay everyone, need some help here. I got my 2014 Bennche Bighorn 700 from my father inlaw. He has had it since new and as far as I know never had any problems with it until recently. It began with it being hard to start and having to give it some throttle for it to start up. Then it wouldn't stay running once it did start. If you go to start it, it will fire right off and only run for a split second and then die. If you give it some throttle it will start and stay running as long as your foot is on the pedal. While it's running its pretty rough and backfires. Here is a list of everything I've done so far. Initially I checked compression and it was low. I changed the cylinder, piston and rings. Took the head apart cleaned and laped the valves. Checked timing a few times. Adjusted the valves. New spark plug. Checked the air filter, it was fine. New battery. Changed the fuel pump because of a broken fitting. Changed the fuel filter, lines and fuel injector. Dumped the old fuel and put new in. Changed the air idle control, TPS, MAP sensor, Voltage Regulator, ECU and harness. I was getting codes 31, 107, 113 and 122 on the display. Once I changed the ECU no more codes have been displayed but still have the same issues. All fuses look good and as far as I can tell Grounds are good unless there are some I can't find. I'm at a loss here. Not really sure where to go. Compression was better after everything I did but I don't remember the numbers. I'll have to check it again if someone thinks that could be the issue. Any help would be greatly appreciated!
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By Andy McGee
I would like to perform most all my own servicing on the Kubota rtv-x1140. What is the best way to raise the machine for skid plate removal, etc? I would like it to be parallel with the ground after elevated. It is difficult for me doing that lying under it on the ground. I’m not certain where safe lift points are. Can I use a residential 2 post car lift?, or is a “drive on” platform the only option?
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