Thread: New Yingang Motorcycles
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#21 Re: New Yingang Motorcycles04-11-2012, 05:03 PM
You are all right.
What i remember whenever i had a problem with the EFI my bike was taken to service bay and a device was connected to EFI pod (usb Like plug) , it looked like a calibration device. If i have that device wont i be able to rectify most problems with the system?
About the engine:
Its seams the carburetor engine has more power compared to the EFI version.
Also the compressor ratio had be reduced from 11.5:1 to 9:1, i believe this is to allow less fault resulted by EFI.
what i like with EFI is the quick throttle response which is not found in carbs.
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#22 Re: New Yingang Motorcycles04-11-2012, 05:06 PM
I love the carbys too, but I wish they would stop slapping tiny little carbys on bikes that require something bigger. The PZ30 on the YG250 is a perfect example.
Cheers!
ChinaV[/QUOTE]
I also had the same thought, isnt it because PZ30 cheaply available. Do you have any carb model that you would prefer to put on YG250 and is available in china?
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#23 Re: New Yingang Motorcycles
- Join Date
- Jun 2012
- Location
- Türkiye
- Posts
- 12
05-31-2013, 01:02 PMI assure you not all the EFI system gives you good throttle response. Try new CRF-L ... ;)
I have Shineray XY250GY-2, which is same engine with this jingang. I suggest you to change jets on PZ30. It comes with really small jets. Originals are 25/100 (pilot/min) as I remember. I prefer you to get like 35/125. Bec. PZ30 is valuable (maybe the best) carb. from china (copy or not, it doesn't matter). It has "some kind" of accelerator pump setup. Do not waste it, changing jets will be the most economical and optimum modify.
But If you want more, go with Mikuni TM33. I hope you will have enough room. And use a NX250 carb manifold, It just fits perfect.
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#24 Re: New Yingang Motorcycles05-31-2013, 09:39 PM
If there are bigger jets for the Dekni PZ30 I am sure some others would like to know the source for those.
Did you upgrade yours carburetor, your last post stated you bought a TM33 and would post some images.
http://www.mychinamoto.com/forums/sh...i-VM3*-)/page3
Yingang may be offering a bigger carb then the Dekni PZ30 on it engine, or so I have read.
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#25 Re: New Yingang Motorcycles
- Join Date
- Aug 2011
- Location
- china
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- 27
06-10-2013, 01:10 AMnow there is a new version EFI China III homologate
DSC_0221.jpgDSC_0231.jpg
DSC_0227.jpgDSC_0230.jpgDSC_0219.jpgLast edited by raymondygz; 06-10-2013 at 09:49 AM.
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#26 Re: New Yingang Motorcycles
- Join Date
- Jun 2012
- Location
- Türkiye
- Posts
- 12
06-10-2013, 12:10 PMWhat is this model ?? Yingang what ???
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