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#1 BIG BORE KIT FOR DONG FANG 250 BOBBER ?08-20-2011, 02:10 PM
I wanted to start this thread to see if their was any interest in a 70mm piston upgrade, to make a TRUE 250cc engine.
Hopefully this link will have them in October this year.
4 Stroke Big Bore Kits2011 Yamaha Star 250
2010 DF 250 Bobber (sold)
2009 Triumph Bonneville T100
1993 Kawasaki Vulcan88(sold)
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#2 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?08-20-2011, 04:34 PM
Did you get a response from that site? I'm interested.
Here is the one that I've been trying to get but it appears to be vapor ware. CG400?
http://www.alibaba.com/product-gs/37...ine_400cc.html
Someone could sell a bunch of these engines if they exist to the DF250RTB, DF250RTC, Heist,etc owners.Last edited by barnone; 08-20-2011 at 10:45 PM.
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#3 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?08-20-2011, 10:25 PM
Hello Bruce M,
Thanks for your request.
We hope that you will return to visit us often and follow our updates.
Martin Beaumier
MBE Motorsports inc.
info@mbe-motorsports.com
www.MBEMotorsports.com
The web site mentions October, as a target date. I think he is putting out "feelers" to see what the interest might be...
2011 Yamaha Star 250
2010 DF 250 Bobber (sold)
2009 Triumph Bonneville T100
1993 Kawasaki Vulcan88(sold)
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#4 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?08-20-2011, 10:40 PM
Yeah, that is the reply that I got. Nothing else when I emailed them.
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#5 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?
- Join Date
- Sep 2011
- Location
- kansas
- Posts
- 14
09-04-2011, 11:33 AMhmmm wouldnt this tech work with the CCW bikes since they basicaly have the same motor...
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#6 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?09-04-2011, 02:00 PM
Should work since they are both 167FMM (CG250) engines. However the gain is only 21cc or so. Doubt it will make a big difference in performance.
We need a 400-500cc easy to swap engine.Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#7 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?
- Join Date
- Sep 2011
- Location
- kansas
- Posts
- 14
09-04-2011, 02:37 PMYea I have thought about swapping in a ninja 250 engine when I get my Heist... It actually 249cc, more hp and with the 6spd can actually go over 100mph.
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#8 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?09-04-2011, 06:38 PM
Swapping in a water cooled 250cc engine will be very complicated. You should be looking at a different bike if you want to go 100 mph.
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#9 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?
- Join Date
- Sep 2011
- Location
- kansas
- Posts
- 14
09-04-2011, 11:41 PMOk I should of said go over 75... I would just like to be able to take it on the highway from were my parents live to my inlaws so about 40min in 65mph zone. I see people doing all these modded carbs and custom head work figured it would cost around the same to just get a used ninja engine but with more benafit...
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#10 Re: BIG BORE KIT FOR DONG FANG 250 BOBBER ?
- Join Date
- Sep 2011
- Location
- kansas
- Posts
- 14
09-04-2011, 11:47 PMWhat do you guys think the real world gain will be with the big bore kit?
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