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05-10-2015, 04:55 PM
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#1 |
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Join Date: May 2015
Location: South Africa
Posts: 10
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Newbie for South Africa
Hi guys
 I have been looking at Threads from you guys a lot and it is really helpful. the reason why I'm posting this is I have a bike its called a BigBoy XTG 250 here but i have no idea or what it is based  . If you guys could help me out i would really appreciate it. 
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05-10-2015, 08:33 PM
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#4 |
Join Date: Mar 2008
Posts: 2,436
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WMI https://en.wikipedia.org/wiki/Vehicl...rer_identifier tells who's the maker
Model details maybe found by comparing VDS https://en.wikipedia.org/wiki/Vehicl...riptor_section in some chinese sites. --- Stolen from clasf.co.za 
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05-11-2015, 12:17 AM
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#5 |
Join Date: Jul 2008
Location: Idaho
Posts: 25,054
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Welcome; we are glad you joined us.
That is a good looking motorcycle. 
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Spud "Never argue with an idiot. He will drag you down to his level, and beat you with experience."  Mark Twain2015 Zongshen ZS250GY-3 (RX3) 2006 Zongshen ZS200GY-2 (Sierra 200) 2005 Honda XR650L 2004 Honda CRF250X 1998 Kawasaki KDX220 Mods made to my Zongshen ZS200GY-2: http://www.chinariders.net/showthread.php?t=6894 |
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05-11-2015, 12:57 AM
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#6 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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Welcome!
I thought it might have been a CG as well, but it's an OHC engine. My guess is CB250.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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05-11-2015, 03:23 AM
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#7 |
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Join Date: May 2015
Location: South Africa
Posts: 10
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Thanx for all the replies. The reason I want to know what bike its based on is I need Spark Plugs and Sprockets as well as a service manual. The bikes were discontinued and the manufacturer is useless
 . I will see if I can find out anything else but don't get your hopes up
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05-11-2015, 05:43 AM
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#8 | |
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Join Date: Mar 2008
Posts: 2,436
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Importer http://www.bigboyscooters.co.za/contact ≠ the REAL maker .
Quote:
=== Most chonda crosser are based from XL125S / XL185s http://www.jtsprockets.com/ If unsure took the measurements & ask JT | Change to 520 chain is a common chinese mod. The most common config [Most :JTF259 /some :JTF1264 | JTR269] [Most :JTF328 /Some :JTF1324 | JTR279] === Most chonda ohc 250 is based on MD33E (65.5 X 66.2) | Valve: in /ex 0.1mm
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Last edited by humanbeing; 05-11-2015 at 07:09 AM. |
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05-11-2015, 10:17 AM
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#9 |
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Join Date: Mar 2008
Posts: 2,436
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LX8 = www.xgjmotor.com
They called that 250 engine as CBB250 (165FMM) in their website | Zongshen maybe the REAL engine supplier http://zsengine.com/Product/ProductInfo.aspx?ID=222 http://item.taobao.com/item.htm?id=15590461619
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05-11-2015, 11:50 AM
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#10 |
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Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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I've compared the CB250 with the Honda XR200, and they look very much the same, until you start measuring. They have a virtually identical layout, with similar cam chains, etc, but the CB250 is a larger frame of architecture. It can be bored and stroked to a larger displacement than the XR200 style.
I'm pretty sure that they use the same plug. You can remove your existing sprockets and measure them for comparison. I suspect you'll find exactly what you need at www.jtsprockets.com
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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05-11-2015, 04:46 PM
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#11 |
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Join Date: May 2015
Location: South Africa
Posts: 10
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Thanx guys it really helps me a lot. Got hold of the manufacturers and they can supply me with the back one and the front is easy to get ahold of. Another thing I wanted to ask is if you guys think its worth it to do a carb swap from the 30mm keihin I have to the 30mm Mikuni? Looking to do a airfilter and pipe mod on the bike.
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05-11-2015, 06:19 PM
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#12 |
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Join Date: Mar 2008
Posts: 2,436
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Depends on each case .If the stock is a REAL keihin , why change to some ??? clones.
Weldangrind recommends Mikuni (clones ???) because it's easier to buy jets in N America . He once had a Taiwanese brand (Shengwey) that don't employs std Kiehin needle...
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05-11-2015, 10:37 PM
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#13 |
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Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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It was either Shengwey or Jing Ke; I can't remember.
HB is right. I recommend the Mikuni in NA, because jets are so easy to find. I like to mess with intake and exhaust mods, so having access to slow jets is important to me.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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05-12-2015, 09:21 AM
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#15 |
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Join Date: Mar 2008
Posts: 2,436
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http://www.motocomp.co.za/ had Keihin jets.
--- http://jetsrus.com/a_jets_by_carbure..._selection.htm === Main [5 x 0.8] 99101-393 OR N424-36 http://item.taobao.com/item.htm?id=3675611497 === Pilot [6 x 0.75] N424-21 http://item.taobao.com/item.htm?id=3402928161
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Hybrid Mode
