X485 smoking
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    Jay
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    X485 smoking

    Just bought a x485 with 330 hrs on it and it smokes whitish blue when I engage the mower pto. Just a small puff of black smoke when I crank it. What is wrong? It only does this when I engage the blades and it's a constant smoke as I cut. Oil level is fine and full service was just done 2 hrs ago.

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    Pardon my asking, is this x485 a diesel engine?

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    Quote Originally Posted by Jay View Post
    Just bought a x485 with 330 hrs on it and it smokes whitish blue when I engage the mower pto. Just a small puff of black smoke when I crank it. What is wrong? It only does this when I engage the blades and it's a constant smoke as I cut. Oil level is fine and full service was just done 2 hrs ago.
    What are you using for oil?
    4720 66hp Open Station, Power Beyond, 3rd, 4th and 5th Rear SCV, iMatch, 400cx with SSQA, 3rd Loader Function, MX6, BoDozer Grapple
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    Gator 865r...Fully Pimped Out

    X748SE 24hp, 647 Tiller, 54" front blade, 47 Snow Blower, 62C deck, JD disk

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    Jay
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    It's not a diesel and I'm not sure about the oil because the local John Deere dealer serviced it for me last week.

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    Quote Originally Posted by Jay View Post
    It's not a diesel and I'm not sure about the oil because the local John Deere dealer serviced it for me last week.
    Ok gas engine- I would try to start looking at fuel system settings, possibly bad gaskets changing fuel air ratios. Sorry I have no answers for you. Worst case would be internal engine problems, but if were me I would go though all the basics at least twice. Maybe nothing more than adjustments. Good luck & let us know what you find out.

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    Jay
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    Jay
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    Dealer says my mower has been run hot or low on oil and is suggesting a new engine. Says oil is leaking into cylinder. He doesn't recommend rebuilding if I plan on keeping along time. New engine he is suggesting is the same one in the x738 I believe and runs about 3k installed. What should I do?

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    arlen's Avatar
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    Quote Originally Posted by Jay View Post
    Dealer says my mower has been run hot or low on oil and is suggesting a new engine. Says oil is leaking into cylinder. He doesn't recommend rebuilding if I plan on keeping along time. New engine he is suggesting is the same one in the x738 I believe and runs about 3k installed. What should I do?
    How much do you have into it? Was the issue disclosed when you bought it, if not, can you go back to the seller? On the other hand, you can't really sell it like that, and come out on it.
    4720 66hp Open Station, Power Beyond, 3rd, 4th and 5th Rear SCV, iMatch, 400cx with SSQA, 3rd Loader Function, MX6, BoDozer Grapple
    JD 320D Skid Loader
    Gator 865r...Fully Pimped Out

    X748SE 24hp, 647 Tiller, 54" front blade, 47 Snow Blower, 62C deck, JD disk

    JD 997 Zero Turn

    Farmall B

    2 miniature donkeys, 1/8 hp (each)

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    Jay
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    $1800

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    arlen's Avatar
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    Quote Originally Posted by Jay View Post
    $1800
    That's not bad. Having 4800 into a low hour machine with a new engine wouldn't be bad. I would still be tempted to crack it open and see how bad the engine really is. If you did the work yourself, an overhaul wouldn't cost that much.
    rgd, dieselshadow and felixm22 like this.
    4720 66hp Open Station, Power Beyond, 3rd, 4th and 5th Rear SCV, iMatch, 400cx with SSQA, 3rd Loader Function, MX6, BoDozer Grapple
    JD 320D Skid Loader
    Gator 865r...Fully Pimped Out

    X748SE 24hp, 647 Tiller, 54" front blade, 47 Snow Blower, 62C deck, JD disk

    JD 997 Zero Turn

    Farmall B

    2 miniature donkeys, 1/8 hp (each)

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