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  1. #111 Re: Finally Registered My Dong Fang DF250RTB Bobber In Florida 
    C-Moto Not-so-Noob bighabeeb's Avatar
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    Quote Originally Posted by Gardo View Post
    as long as the tags are on the frame I am good to go. There is no inspection in New Jersey.

    I may baffle it just to make my neighbors happy but then again riding in NJ I may want to keep loud
    Let me knows when yours gets to ya - I'm not too far away and wouldn't mind taking a looksee before deciding to pull the trigger myself. I'm all for trying new things, but I'm even MORE all for trying new things after letting someone else do it first ;)
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  2. #112 Re: Finally Registered My Dong Fang DF250RTB Bobber In Florida 
    Senior C-Moto Guru barnone's Avatar
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    Another thing that had me worried was the way the crankcase breather hose is connected to the dummy oil tank instead of to an air box or air filter.

    I just installed a crankcase breather filter to remove that hose to the dummy tank that contains the electrics. Didn't want a bunch of oil or fumes getting in there.

    Vince
    2009 Suzuki TU250X
    2018 Dong Fang DF250RTG
    2019 Ice Bear CT70 Clone
    2020 Ice Bear 150cc Scooter
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  3. #113 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
    Senior C-Moto Guru barnone's Avatar
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    Quote Originally Posted by Aboshi View Post
    After looking at those pics again, it looks like you can take that breather tube from the case and attach it to where you installed the block of plate for the EGR.
    This is called a pair sucker mod, its usually used on 2002 + GSXR 750's and other race bikes and typically costs around $2k+, but it was as easy as just attaching a hose for $1 and gaining 12hp. What it does is creates negative pressure inside the case removing all the air so the oil can flow without friction. I would have to do a test on this motor to see if the pair sucker mod would work but if it does it would 100% add at least 1hp and make the engine run a lot better.
    Aboshi,
    What I removed was a SAI (secondary air enjection system) and not a EGR (exhaust gas recirculation system). SAI use outside air.
    Vince
    2009 Suzuki TU250X
    2018 Dong Fang DF250RTG
    2019 Ice Bear CT70 Clone
    2020 Ice Bear 150cc Scooter
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  4. #114 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
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    I got ya, even still if that is creating a negative pressure (sucking in) you should connect that to the crank case breather. Once in a blue moon it might suck some oil but thats perfectly fine. It will create a negative pressure inside the crankcase removing all the air in there to reduce friction and let the oil flow much better. I have done this on every one of my race bikes in the past, and a few for street use, the only ones I didn't do the pair sucker mod on were my stunt bikes due to getting tipped over all the time and draining oil into the hose. It is a bit worse for the environment though because it will burn off oil if it gets sucked up. I am going to put an order in for one of these today and if I have no issues getting it regged I'll wind up getting the rest I need =)
    I'll keep you all posted.
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  5. #115 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
    Senior C-Moto Guru barnone's Avatar
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    The port that the plate is covering is in the exhaust port so it would create a positive pressure (exhaust gas). I removed the SAI (what we use to call a smog pump) and it pumps outside air into that port.
    Vince
    2009 Suzuki TU250X
    2018 Dong Fang DF250RTG
    2019 Ice Bear CT70 Clone
    2020 Ice Bear 150cc Scooter
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  6. #116 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
    Senior C-Moto Guru barnone's Avatar
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    Got my sheep skin from New Zealand
    http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWNX%3AIT
    so I put it on and went for a ride. Very nice and comfortable.




    Watching the wind surfers.


    Met a new friend and her dog




    Felt guilty so went out to our cottage and supervised my wife's painting.
    Last edited by barnone; 03-04-2011 at 01:13 AM.
    Vince
    2009 Suzuki TU250X
    2018 Dong Fang DF250RTG
    2019 Ice Bear CT70 Clone
    2020 Ice Bear 150cc Scooter
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  7. #117 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
    Senior C-Moto Guru Gardo's Avatar
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    Barnone, there is a tribble on your seat. Yea the Bike is a magnet, just sittin in my driveway i had a few women stop and ask about it.

    oh and BTW i got an email and a phone call that my filled out MCO will be here on Monday.
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  8. #118 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
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    Lookin good =)
    Well I just ordered mine as well from countyimports.com =)
    It came out to $2,249.49 - that was with the $50 discount, it seems they bumped the price up $100 from 2 days ago but I'm not gonna cry over it :P
    I am going to tell them to throw in the helmet for $0.01 - I didn't see that deal because I called it in over the phone to place the order, but I'm sure they will toss it in.
    Now I'm not going to be able to sleep till I get this bike in my parking spot =)
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  9. #119 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
    Senior C-Moto Guru barnone's Avatar
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    Gordo,
    Good news about your MSO. Maybe I just got a new person at extreme. I mean it's not rocket science to send out a correct MSO and bill of sale.

    Yep, it gets a lot of attention. Anybody on this site have a bike business in the USA? I could send a lot of business your way.

    I keep forgetting to mention that I checked the valves on my bike at 200 miles and they were too tight. Easy enough to adjust.
    Vince
    2009 Suzuki TU250X
    2018 Dong Fang DF250RTG
    2019 Ice Bear CT70 Clone
    2020 Ice Bear 150cc Scooter
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  10. #120 Re: Anyone Know Of Dong Fang DF250RTB Bobber? 
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    are there any docs on adjusting the valves? I read somewhere the first thing you do out of the create with these chinese bike was to check/adjust the valves, But I cant recall where I saw it at.
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