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  1. Re: Yingang 重庆银钢科技(集团)有限公司

    Since it's been raining almost every day in the year in Florida, I gave up long distance travel with a bike.
    I'm now going elio motors!

    (Reverse trike, with closed cockpit, AC, radio, comfy...
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    Re: Dong Fang DF 250 RTB Bobber Information

    I would think it's possible that the wheel is not mounted perfectly straight, and the sprocket is scraping the chain.

    It'll wear off over time, but try to make sure you got:
    a- 2" chain play on...
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    Re: Dong Fang DF 250 RTB Bobber Information

    You seemingly sold it?
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    Re: Dong Fang DF 250 RTB Bobber Information

    Most people on the I95 (I've done the road) are doing at least 75MPH. I usually do it at 80MPH on my 750cc, and slowly pass other cars.
    I think his speedo is a bit off, but it's not in KMH, as...
  5. Re: Yingang 重庆银钢科技(集团)有限公司

    I don't understand why the similar priced DongFang D250-RTC-B has so much lower specs, more plastic, less steel, and why dealers would still go with it, and not the Yingang.
    As far as parts, I...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Both the regular scrapbook and scrapbook plus have these feats.
    I am using FF 23.0.1
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    Re: Dong Fang DF 250 RTB Bobber Information

    You can set it to do both... Set it to limit the download to the website "http://www.mychinamoto.com/forums/showthread.php?2738-Dong-Fang-DF-250-RTB-Bobber-Information" and set it to download 3 sub...
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    Re: Dong Fang DF 250 RTB Bobber Information

    On Firefox, there's an add-on called 'ScrapBook', which you can install, and use to download this whole thread. The whole thread is about 80MB in size (not only text, also pics), and you can save it...
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    Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?

    The 229cc engine design already has an as large BBK head on them as is possible.
    I mean, perhaps you may find a fitting 239cc, but think about it,
    the original cylinder was a 125cc cylinder, which...
  10. Re: Yingang 重庆银钢科技(集团)有限公司

    I wanted to order one from MX-Motorsports in Miami, but they removed the product from their webpages. Now there is no US dealer anymore selling them as far as I know.
    MX mentioned the lousy customer...
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    Re: Dong Fang DF 250 RTB Bobber Information

    I know what you're talking about. I had a BMS TBX260 before, with CVT, but the CVT is not heaven on earth.
    First of all, a cvt can only be tuned one way; either for performance, or for fuel economy....
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    Re: Dong Fang DF 250 RTB Bobber Information

    Depends on what gearing you put on it, how you ride it, what type of gas you use (BP Premium generally generally has 10% better performance than most other fuels), wind resistance, hills, luggage,...
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    Re: DongFang MC-D250-RTC-B (Naked-style bike)

    Ordered just over 1 month ago, they took my money fast, but still hasn't arrived.
    No clear answer from MX Motorsports on what happened and where the bike is. What do you guys think I should do,...
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    Re: Dong Fang DF 250 RTB Bobber Information

    To see 90MPH out of a 250cc could only happen if it's a short throw parallel twin engine (or more) with a red line on the 11k RPMs.

    Ain't no way a regular 250 can pull 90! Heck, my 750 only pulls...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Strange,
    My Chinese TaoTao EVO150 scooter with CVT goes faster up a bridge than your 229cc motorcycle? You should have upshifted in higher revs.

    Also the slowest accelerating car is the Prius C,...
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    Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?

    What do you mean by port and polish?
    Do you mean you adjusted the valves to close better?
    If so, you merely are making the engine run the way it supposed to run!
    If you see an improvement, was...
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    Re: The straight facts on the Dong Fang Bobber

    Thanks for providing us with the hard evidence numbers.
    How does acceleration from a dead stop go with a 16/38T setup?

    I am a bit disappointed in the low MPG, I had hoped to be able to get more...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Why not?
    1100 + shipping & Tax comes down to ~$25.000
    Add $250 per bike for shipping locally to a home address, (comes down to ~$30k) and you're selling each bike for $1500 if you'd make zero...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Well, you could go brown and green army color, or blue and grey, navy color.
    The orange you mention is often called sunset orange. I had a chinese scooter like that and loved the color, especially...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Torque really depends on gearing.
    250cc is 250cc, whether it comes in single or dual cylinder.

    If anything, a parallel twin is probably the best of both worlds, less vibration, more continuous...
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    Re: Dong Fang DF 250 RTB Bobber Information

    It really depends how they stack em. usually 30 bikes = 1 small container. 100 bikes = 1 big container. They sell em to dealers in containers. you can also opt for sharing a container, which costs...
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    Re: Dong Fang DF 250 RTB Bobber Information

    It's more than likely a dealer price. Buy them in quantities of 30, meaning one container, or $30k.
    I don't think those prices are single unit prices.

    Some 150cc bikes are sold for $300 on...
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    Re: Dong Fang DF 250 RTB Bobber Information

    I'm a little behind on the thread, reading up on it right now,
    Just 2 questions,

    1- By how much is the speedo off? (indicated MPH vs GPS verified MPH)?

    and

    2- Since the engine has a big...
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    Re: Dong Fang DF 250 RTB Bobber Information

    Looks like a parallel twin, they sound more racing bike/2stroke; less bobber.
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    Re: Dong Fang DF 250 RTB Bobber Information

    I guess I'm lucky to have an exhaust cover plate!
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