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Motorcycle cylinders
Zongshen Wind 50 4T
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I bought 2 sets of cylinders. There was nothing wrong with one of them. On the second, the liner was honed at an angle. In the upper area of the liner, an approx. 3 x 5 cm area was not covered. One piston had the recesses for the valves milled at an angle. See photo. The other is obviously already an oversize piston. As I have access to appropriate machines, it wasn't too bad for the hobby project.
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I installed in a 2010 Barton Fighter moped. After mounting the moped clearly came alive, it became very sprightly, the top speed also increased. After starting from first gear it can sweep the wheel, and after releasing the clutch faster it stands on the wheel, also when shifting to second gear the front end likes to lift gently. Overall, for this price I can confidently recommend this cylinder to everyone. I recommend 100%
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I have a Junak 901,I bought this kit because the motorcycle was already quite weak. I did the assembly for the first time, and it took me some time. So far I'm lapping , and I have no problem. I think Moretti products , are good parts and recommend.
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Fast delivery, very well packaged and complete in 4 words everything you need is. The company (site) wholeheartedly recommend and noti once again I will stop by and buy because it is good and specific
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Recommended website fast shipping all forms of payment with quality I'm satisfied with the cylinder everything laughs as it should so I recommend!
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Product very well made great fit for motorcycle with 139qmb gy6 engine. The description of the goods is very accurate and with the real.
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Cylinder MCN 80cm3 4T cylinder a very good class cylinder gives a lot of power I recommend to all who want to increase the capacity of the scooter recommended
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Cylinder set gy6 4t 50cm 39mm moretti very well made with attention to detail fits without any problem I recommend to everyone
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14 year old son's first tuning and learning how to install...
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The 50 cm³ cylinder for the 139FMB 4-stroke engine is an excellent choice for anyone looking for a reliable and durable replacement or upgrade for their engine. The workmanship is precise and the fit is perfect - installation went smoothly. After installation, the engine runs perfectly again, with smooth running and good performance. The cooling fins ensure efficient heat dissipation, which increases durability. A particularly positive feature is the high-quality material, which promises a long service life. All in all, a top product with a great price-performance ratio! A clear purchase recommendation for anyone who wants to get their 139FMB engine back in top form. ⭐⭐⭐⭐⭐
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I guess this 90cc NARAKU kit must work well. It would be much more professional of the seller to specify that you absolutely need a specific ECU for this new displacement when installing it on a 50cc! Otherwise, it just doesn't work, and there's no one to help you! When I asked them for help, they told me to go and see a garage. That's cool, but not everyone can afford to go to a garage. So I don't think it's right.
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Cylinder and piston good quality but rings unfortunately not. After 150 km of mileage the gap of the rings after inserting into the cylinder was 3.2 mm Yes does not lie. The engine did not smoke but did not have its power. The solution to this was to put on rings made professionally from good quality materials. The cored rings lasted 13,000 km in a Chinese scooter. In my opinion, it is worth it to buy the made-up rings for 40 PLN than to take apart the engine every 2 weeks.
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Cylinder and piston good quality but rings unfortunately not. After 150 km of mileage the gap of the rings after inserting into the cylinder was 3.2 mm Yes does not lie. The engine did not smoke but did not have its power. The solution to this was to put on rings made professionally from good quality materials. The cored rings lasted 13,000 km in a Chinese scooter. In my opinion, it is worth it to buy the made-up rings for 40 PLN than to take apart the engine every 2 weeks.
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Product arrived quickly and in full with fast processing and no complications. The price is fair and also very good value for the good quality. Shipping costs are also not as high as with other suppliers. As stated, the parts fit perfectly for my Romet Router WS 50 with four-stroke. I have installed everything new and everything is running great, just as I had hoped. I always order spare parts for my moped here and have never been disappointed.
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Hello I naprowiam skutrey,Qady etc.Ordered parts really are OK . If you order a good part, it rather has to fit, personally as a mehanik I recommend cylinder 65cm for GY6 4T IS in my opinion the best, fragile, 50 has too little power, 80 can take oil in a short time exploatation Greetings
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Very good build quality. The head with larger valves to this plus the replacement of the main nozzle in the carburetor gives incredible power. And if you replace the gearbox with more teeth in the engine it flies like a storm. 2 times faster and much more powerful. I sincerely recommend. I have taken a lot from this store and everything great.
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the cylinder itself is great and the piston all the seals and piston rings . it's supposed to be a plug and go cylinder . NOT I have a jawu betka/kentoya twinshot and need to buy a new head because the original camshaft is not enough and need to adjust the valve .
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The cylinder fits perfectly to the engine 139FMB, the moped after such tuning laughs beyond recognition, I wanted to emphasize that I did not replace the gasser, it is the original from the fifty, only the nozzle replaced with a larger + head and everything runs perfectly.
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Everything talks as it should, it took me three hours to put this kit on and on the road I recommend! I've been driving for a few days now, I've already driven 100 km and the power is zero oil burning and tp.Everything as described fits perfectly and goes even better!
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Junak 901 2014. Cylinder of good quality, fits perfectly to the engine 139FMB, the aesthetics of workmanship I can rate very good. All gaskets fit, there are no free spaces between the cylinder and the crankcase. I recommend
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Hello I am a mechanic and I buy at Gmoto, various items now I have purchased the above mentioned cylinder has already been mounted on the engine.Engine after overhaul started and the vehicle is already running .Cylinder in my opinion of excellent quality
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The cylinder really is made 100% as it should be everything fits nicely gaskets made of good materials with no worries keep the seals tight but the kit should have included valve seals which I didn't get
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Toros Fresco 50 scooter purchased cylinder in the store made of good quality materials. Everything fits elegantly , there were no problems with installation. Now nothing but to ride. I recommend to everyone.
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Good quality nickel, long-lasting. I recommend it. I tatolized 2690 km and it turns nickel no particular problem. Just alignment for slightly hard mounting, but nothing else to complain about.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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Product as described. Solid components. Cast iron piston fits the cylinder perfectly. Affordable price for this product. At others I have seen the same set for twice as much. I recommend.
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The product met my expectations. Workmanship without reservations. I RECOMMEND. After installation, the motorcycle got a significant increase in power. It is quite different ride for example with a passenger.
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After ordering, the parts arrived within 3 days. I didn't notice any problems during installation and my moped has been running perfectly ever since.
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Patient Loncin 110 cylinder and piston with rings professionally packaged I order this kit not the first time and I am very satisfied I encourage you to buy.
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Wery good cheap and wery much torgue and power it can fit to a stock gy6 block but its a little tight and if you have a bad allightment it doesnt fit
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Super article thanks for all person Fits great, I still ride it, thanks and for the fast delivery. Site is super good, everything is there
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Recommendable company good quality products and fast shipping products very well packaged will not be damaged during delivery.
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a great product started with the first run and goes about 100kmh you should buy it and also buy an 80cc cover so there will be no problems 50cc cover did not last much
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The cylinder and piston are very accurate and of high quality. All seals are included. Replacing them was child's play.
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Good quality part no problem with assembly except that it would be good to specify that it is absolutely necessary to have the cylinder head that goes with it.
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