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Messages - loftisman19

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Side By Side / 2021 700i Uxv spark plugs
« on: August 22, 2023, 01:02:51 AM »
Last year during the winter, it had trouble cranking and was backfiring like crazy. Finally got to where it wouldn’t run. It was still under warranty so I took it to the shop and found fouled plugs. Here recently I’ve been driving it in low, to me it rides smoother not so jerky for my evening cruises putting around the farm. I’ll put it in high every now and then when I catch the need for speed. Well, the other day the motor bogged down and backfired really loud. Now intermittently, whether I’m in high or low, it’s wanting to backfire or just bog down and knock off. Sometimes it runs just as smooth and no issues, and the next it will knock off 3 times in half a mile. I’m figuring it’s the spark plug again, has anybody else had these issues? What plugs are you guys using? Are the OEM plugs just that bad or is it another issue causing this? I’ve always used non-ethanol gas in it and I don’t abuse it by any means. Any help would be greatly appreciated.

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Side By Side / Re: 2021 Kymco UXV 700i trouble starting when it’s cold
« on: February 23, 2022, 03:33:38 PM »
Well the shop finally got around to my buggy. It was a fouled spark plug. I asked what would cause it not to crank in the cold, and he blamed it on the electronics.

If anybody can send me a link to the battery tender set up, I’d really appreciate it, I’ve never seen one. It seems like the battery tender is going to be the way to go if I want to drive it when it’s cold.

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Side By Side / Re: 2021 Kymco UXV 700i trouble starting when it’s cold
« on: January 24, 2022, 10:14:42 PM »
I’m out of options for what I’m capable of doing.

It will be going to the dealership this week. It’s still under warranty, so they will have to deal with it.

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Side By Side / Re: 2021 Kymco UXV 700i trouble starting when it’s cold
« on: January 23, 2022, 05:04:19 PM »
I tried waiting for the fuel pump to stop, that didn’t work and I hooked a jump box up to it and that wouldn’t start it either.

I think I’m down to it’s not getting any spark.

I’m going to look up videos on how to get this dadgum plastic console off to check the plugs. If you guys have a link to someone taking it off, I’d be much obliged.

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Side By Side / Re: 2021 Kymco UXV 700i trouble starting when it’s cold
« on: January 23, 2022, 04:04:04 PM »
Quote from: Stig / Major Tom on January 23, 2022, 04:11:08 AM
Good strong battery?
EFI likes a strong battery.
Mediocre battery gets weak in cold.
Stig

Battery should be good. I’ll try to hook some jumper cables up to it and see what happens

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Side By Side / Re: 2021 Kymco UXV 700i trouble starting when it’s cold
« on: January 23, 2022, 04:01:48 PM »
Quote from: airshot on January 22, 2022, 10:18:05 PM
That is really a bummer !!!  I havevthe 450 and have no issue with cold weather starting clear down to -10 below.  With that said....my machine has a buzzer feature when starting....you turn on the key and allow the buzzer to finnish before starting, this allows the ECU to sense current conditions and adjust for a quick start.  If I dont wait for the buzzer to finnish on cold days, it is very hard to start....if I wait for the buzzer to finnish, it fires right up !!!!  Does the 700 have the buzzer???  Check over the cold start feature un your manual and be sure you are doing it correctly.  Otherwise, hope your dealer does his job, keep us posted....

When I turn the key, I do hear a “buzz” but it sounds like the fuel pump to me. I’m not too mechanically inclined on these machines, but I will definitely sit and wait to see if it will stop.

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Side By Side / 2021 Kymco UXV 700i trouble starting when it’s cold
« on: January 22, 2022, 08:56:31 PM »
Hey guys,

I bought a Kymco 700i UXV back in August. Everything has been working great until it got cold (below 30 degrees). I tried to crank it one evening below 30 degrees just to put it up. It would zoooo over and hit every once in a while then I could smell gas and assumed it flooded. After letting it sit for a hour or so, I got it to crank and it backfired, spit and sputtered but it got it to the shed. After that I hadn’t had any trouble with it. Fast forward to today, we had a snow storm and the kids wanted to go riding, the temp was probably in the low 20s. It just zoo’s over and the motor never hit a lick. After trying for several minutes, I smelled gas and quit messing with it. I’ve let it sit all day, just tried it again and still nothing. Is it normal to expect it not to run in the cold? It is fuel injected and I smell gas so I assume it’s not getting any fire. Plan on taking it to the shop this week, but it’s a big let down with kids waiting to ride and play in the snow.

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