Forums 🚦 RIDERS LOUNGE 😃 General Chat Look what I found in China
- This topic has 4 replies, 2 voices, and was last updated 15 hours ago by
Tom.
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May 3, 2026 at 7:40 PM #22467Bike Model = : GV250 GT250
While having a swan around Chinese wholesale I found this. They have cloned the Hyo 250 engine, they are made by Yinxiang and also come in a 350cc variety. I have started a chat about parts and whole engine costs so hopefully they will be helpful. Yes we know China stuff can be bad, but I already know the cylinders and top end are interchangeable. I will keep you posted if I learn more. It could solve the hyo parts issues we all encounter. I have asked expressly about the manifolds as they look to be GV not GT – GT replicas are now available, but appear to have some fitment issues (not from Yinxiang). The engine codes are 250cc – 2V57FMM, and 350cc 2V67FMM.
Yes it does have the oil cooler, it is just cropped from photo.
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May 3, 2026 at 7:42 PM #22469

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May 3, 2026 at 8:40 PM #22471
Hyosung has used a few chinese companies to replicate their older GV engines + Parts for the Asia market, so you will find the updated chinese/korean engine updated as “GV250-DR” , they definitely stopped making GT parts , so their main focus is GV bikes. Hyosung KR Motors owns a chinese company thats even cloning their Korean 650cc for the updated GV650 ABS model that is already out in europe.
If you strip a 2016 black engine, of a 125cc, you will see under the barrels , it will say “made in china” but other parts + R&D is still South Korea.
China is just wild , they even call Hyosung a different name over there!
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May 3, 2026 at 8:41 PM #22472
if the intake manifolds are 2016 = made in china, very poor quality even OEM ones! , if the intake pipe is 2008 , much better and made in South Korea. I don’t have too much faith in China lol.
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May 3, 2026 at 9:04 PM #22473
Yes, I know China is dodgy as it gets. Rubbers perish and dissolve, bearings don’t last, and made of the finest chinesium (guaranteed pure metal LOL). I would not give them my patterns or manufacturing as this is what they always do. But quality can be good at times, just not often, and not close to Hyosung quality control. If you look on the cylinders in the photo they do say GV 250 so it is a blatant copy. Makes me wonder who Hyosung farmed the work out to. I remember a famous pen manufacturer, maybe 20 years ago had trouble, 12hrs making for the client, 12 hrs making for chinese fake. There is no recourse for copywrite or IP rights if you find your product cloned in china. The cub engines have got quite good, but still a very hit and miss purchase. But if OEM parts are unavailable then it might be an answer, but not the preferred choice. Just see how it goes, it is interesting to see that they have cloned it as Hyosung are good engineers. I would like to get my hands on one of the engines and put it through its paces. I have good experience with Hangkai outboards, they are clones of Tohatsu, Yamaha and Mercury.
The engine shown is EFI so it would need stator and flywheel change for a carby set up.
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