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Found: 188
Simering seal 17x30x6 101 Octane - IP23515
Cowl gasket - cylinder housing 4T GY6 - 234622 Cowl gasket - cylinder housing 4T GY6 - 234622
Gearbox bearing 6203/A 6303x3 4T GY6 - 234627
6207/17 C3 crankshaft bearing 4T - 230330

£2.35

delivery 0 £

6207/17 C3 crankshaft bearing 4T - 230330

stars    (1)
6207/17 gearbox bearing 4T - 230331

£2.78

delivery 0 £

6207/17 gearbox bearing 4T - 230331

stars    (1)
4T FMB clutch cover gasket - 216692
GY6 4T 50 starter spring washer - 190948 GY6 4T 50 starter spring washer - 190948

£1.52

delivery 0 £

GY6 4T 50 starter spring washer - 190948

stars    (1)
Plastic cylinder cover set 4T GY6 Plastic cylinder cover set 4T GY6 Options +2

£2.76

delivery 0 £

Plastic cylinder cover set 4T GY6

stars    (4)
GY6 139QMB 4T 80 cm3 12 inch 430 mm engine - 139614 GY6 139QMB 4T 80 cm3 12 inch 430 mm engine - 139614
GY6 139QMB 4T 50cm3 10 inch 400mm engine - 139601 GY6 139QMB 4T 50cm3 10 inch 400mm engine - 139601
GY6 139QMB 4T 50cc 12 inch 430mm engine - 139600
Gearbox crankcase small GY6 - 128452 Gearbox crankcase small GY6 - 128452
Valve set 139FMB 50cm3 - 121312 Valve set 139FMB 50cm3 - 121312

£2.81

delivery 0 £

Valve set 139FMB 50cm3 - 121312

stars    (3)
4T engine cooling housings - 110738 4T engine cooling housings - 110738

£4.93

delivery 0 £

4T engine cooling housings - 110738

stars    (6)
Timing chain sprocket kpl - 99216

£3.62

delivery 0 £

Timing chain sprocket kpl - 99216

stars    (1)
Valve set for head 50/80 ccm 4T scooter GY6 - 98728 Valve set for head 50/80 ccm 4T scooter GY6 - 98728
Timing repair kit 139FMB - 90931

£5.76

delivery 0 £

Timing repair kit 139FMB - 90931

stars    (15)
Piston 60 cm3 2 grind 44.50 mm 4T kpl - 86127
Valve protector stones KPL 4T - 83750 Valve protector stones KPL 4T - 83750
Engine 139FMB 147FMB 4T 72cc - 83098 Engine 139FMB 147FMB 4T 72cc - 83098

£196.56

delivery 0 £

Engine 139FMB 147FMB 4T 72cc - 83098

stars    (6)
4T GY6 clutch torque converter - 81425 4T GY6 clutch torque converter - 81425

£8.35

delivery 0 £

4T GY6 clutch torque converter - 81425

stars    (1)
Shaft wedge 14x4x4 GY6 4T 50 - 81023

£0.66

delivery 0 £

Shaft wedge 14x4x4 GY6 4T 50 - 81023

stars    (1)
Bowl with thujia and clutch spring - 80984 Bowl with thujia and clutch spring - 80984

£1.63

delivery 0 £

Bowl with thujia and clutch spring - 80984

stars    (8)
Right crankcase of 4T engine - 80659 Right crankcase of 4T engine - 80659

£15.23

delivery 0 £

Right crankcase of 4T engine - 80659

stars    (4)
Engine 110 cc complete change from 50 cc to 110 cc - 80642 Engine 110 cc complete change from 50 cc to 110 cc - 80642
Engine gaskets set 4T 80 cm3 40cm - 77871 Engine gaskets set 4T 80 cm3 40cm - 77871

£2.76

delivery 0 £

Engine gaskets set 4T 80 cm3 40cm - 77871

stars    (7)
Digger + digger segment - 77843 Digger + digger segment - 77843

£6.08

delivery 0 £

Digger + digger segment - 77843

stars    (4)
GY6 bearing set - 77454

£6.26

delivery 0 £

GY6 bearing set - 77454

stars    (4)
Cylinder + head 72 cm3 kpl 4T - 76903 Cylinder + head 72 cm3 kpl 4T - 76903

£44.19

delivery 0 £

Cylinder + head 72 cm3 kpl 4T - 76903

stars    (106)
King 139 147 FMB clutch control cover - 75565 King 139 147 FMB clutch control cover - 75565
4T 139FMB head bolts kpl - 73835

£2.31

delivery 0 £

4T 139FMB head bolts kpl - 73835

stars    (3)
4T timing chain guide roller bolt 139FMB - 73831
4T timing tensioner arm bolt 139FMB - 73828 4T timing tensioner arm bolt 139FMB - 73828

£0.95

delivery 0 £

4T timing tensioner arm bolt 139FMB - 73828

stars    (1)
Starter shaft guide bolt 4T 139FMB - 73827
4T 139FMB clutch pressure plate bolts - 73822 4T 139FMB clutch pressure plate bolts - 73822
Starter chain slide set 139FMB 4T - 73817 Starter chain slide set 139FMB 4T - 73817

£2.02

delivery 0 £

Starter chain slide set 139FMB 4T - 73817

stars    (9)
Starter shaft for kick wheel 8z GY6 4T - 73770 Starter shaft for kick wheel 8z GY6 4T - 73770
4T starter lever bolt - 73760

£0.61

delivery 0 £

4T starter lever bolt - 73760

stars    (1)
Cylinder housing mounting bolt GY6 4T - 73762

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Products reviews

2020-09-07, 08:47

poland

Krystian

Hello I own a junak 901 with a capacity of 50/70cmm from new purchased in 2011 to date Junak has traveled nearly 17 thousand km What I really like about the moped is the simplicity of the whole motorcycle, there is nothing complicated in the repair process, simple design, availability of parts is huge and easy to obtain. This is the second repair of the engine since new due to the fact that I ride a lot, parts wear out, now I have overhauled the engine again and the motor fires up from a shot, the larger gear ratio gears allowed to run longer in gear and achieve better results speed in km ends as soon as the pointer passes 80 I like to test various products with them especially carburetors and filters to get better results in combustion and on power of course it is possible but several carburetors of different manufacturers of fuel nozzles you need to have to get such an effect . Parts from gmoto I buy because it is a proven seller of parts and really parts are of very good quality than on other sites only now what I bought starter chain sliders significantly differ from the original I would say more that the quality and material are other weaker but for everything there is a way site I recommend to all lovers of unicycles

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Reliable opinion

2017-08-19, 11:15

poland

Kazimierz

I put a 110 engine into a 2013 Barton Fighter 50 eco. The engine started and runs well.Not matching are :front sprocket(the 14-tooth one seems to have a different pitch because the chain jumps) , gear shift lever,foot starter and sprocket cover ( you have to cut it to fit ) . You also need to replace the air filter in addition. Another thing you need to get used to is the gear layout - neutral at the highest and the other gears down ( N-1-2-3-4) .You also need to put an additional line to the suction because in the previous carburetor there was a lever control directly on the carburetor.And besides, there is power :) . Greetings.

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Reliable opinion

2020-05-03, 14:00

poland

Freeb

The kit itself is ok. I will be installing it soon. The kit is complete and everything seems to be ok. I only have a reservation about the packaging of the goods. The head and cylinder came in one big box. It looks like the head must have been badly packed because it punctured the box and has small scratches at the exhaust mounting entrance.

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Gmoto's reply We sincerely apologize for the situation. If you receive damaged goods, please contact us immediately, these types of cases are given priority and the damaged item is replaced. Most likely, the shipment was damaged in transit.
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Reliable opinion

2018-07-27, 08:35

poland

lidia

I have a kinroad mini chopper the engine was falling apart and I bought a new engine at Gmoto where it was the best deal.I disassembled the old one and put the new one on.Everything fit perfectly,in my opinion any one could do the same as I did without any help.Gmoto is the best online store today I order and tomorrow it is already at home.Bomb.

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Reliable opinion

2022-01-15, 08:58

poland

Dawid

Hello I have a moped barton sprint 72cc,I am very satisfied with the quality of your products the installation of parts is without complications and fields am your site to anyone who wants to order parts for mopeds. I was only once not satisfied as the parts were not complete but after writing an email the missing parts were sent.

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Reliable opinion

2019-02-08, 06:40

poland

Dawid

So I ordered a 110cc engine, 4-speed motor works well in terms of power and you can also ride it nicely, the engine works beautifully at speed, the engine fits perfectly to zipp xrace. If you think to enlarge the engine (replacement )this is the engine I recommend greetings .

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Reliable opinion

2018-06-02, 20:32

poland

krzysztof

I recommend gmoto sklem for its quick realization of the purchase and delivery of goods by couriers appointed on this website, best regards to the entire team of the store so keep it up and I will continue to use your services.

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Reliable opinion

2021-01-25, 08:06

poland

Daniel

It fits P&P to a 139FMB engine from 20 years ago, so there is nothing to complain about. However, the quality could be a little better, I would be willing to pay extra to get a better made product, other than that, you can take, put on and lapped.

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Reliable opinion

2022-06-01, 10:05

poland

Lukasz

Motor super, quality of workmanship also very good. Fits like a glove in place of the old motor. Speed of shipping surprising. Already on the second day the package was with me. I recommend this store.

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Reliable opinion

2019-01-08, 14:16

poland

Monika

A set of rear gearbox bearings for a 4t scooter very good quality bearings very well made with attention to detail fit without any problem recommend to everyone

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Reliable opinion

2018-10-04, 16:56

poland

Krystian

Hello.The quality of this product is very good. It is well made there are no objections to these parts.I sincerely recommend and greet .

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Reliable opinion

2018-02-07, 15:53

poland

Szymon

Romet ogar 202 valves fit perfect fit after reaching them nothing leaks burns on touch 3 sec starter and burns bdb recommend in 100% :)

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Reliable opinion

2020-09-07, 08:50

poland

Krystian

The screw does not differ from the original and was sold with the washer included where else you have to buy the washer separately I recommend the product

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Reliable opinion

2019-02-24, 18:28

poland

Robert

I have a Kingway Street 50cc motorcycle Very good kit for not much money. I personally honestly recommend it. Rides like crazy

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Reliable opinion

2019-01-08, 10:00

poland

Monika

A set of gy6 bearings very good quality bearings very well made with attention to detail fit without any problem recommend

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Reliable opinion

2019-02-03, 18:55

poland

wiktor

Hello, I recommend buying parts from here, they are very good, I had no problem fitting them. Zumico GR200 72ccm

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Reliable opinion

2024-07-30, 08:42

poland

Grzegorz

No possibility of replacing the timing chain for the 139FMB engine which turned out to be too long . Not recommended.

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Gmoto's reply If the products do not fit your motorcycle, you can easily return them by filling out the claim form on the website.
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Reliable opinion

2016-07-26, 18:44

poland

Piotr

I ordered this set for zipp shocka 50cc with the idea that the power of the moped will increase but when I ordered it I did not believe that this set will add such a kick :) Now I do not recognize the moped and the power is already sufficient for me .From the hand on my heart I recommend shopping at this store because the products are very durable and made of very good materials so the quality is amazing, I happen to be satisfied with purchases here because what I order it comes and sometimes the store throws in a freebie which I like very much.So once again I recommend people buy here and not on some other sites such as allegro because there you can get equipment of Chinese manufacture which results in a short eternity of goods I not once or twice ordered here and always satisfied and more than once I will shop here :)

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Reliable opinion

2020-06-22, 13:58

poland

Piotr

Zipp Pro 50 2012. The purchased kit significantly increased the power of the engine. You can feel a big difference in a few years old Zipp with 50siatka. I have my pz19 gasser, at Gmoto I bought an 85 nozzle and zembatke 16 for the front. It's in the running in so I haven't checked the max speed, but already on low I can feel the torque and power, and uphill it stopped slowing down in 4th gear ! Moped turned into a motorcycle Very well made head and piston. Cylinder also super. Everything fits and is super made. Nice and aesthetic. Good for a gift !!! I recommend this set to anyone who lacks power or needs to do an overhaul of the 50 grid, and is afraid of mobtaz 110. Installation of 72 very simple, everyone can manage on their own in the resource with two screwdrivers and open-ended wrenches 10 and socket 13

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Reliable opinion

2025-07-15, 09:24

poland

Patrick

⭐️⭐️⭐️⭐️⭐️ Top motor - absolutely recommendable! This is now the 3rd engine I have installed - and as always I am completely satisfied. The price is more than fair for the quality on offer. The workmanship, performance and durability are impressive across the board. Shipping was super fast, everything was well packaged and arrived without any problems. I can recommend this engine to anyone who wants to make their moped faster and more reliable. A clear recommendation to buy!

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Reliable opinion

2016-03-15, 19:08

poland

Dominik

Cylinder of good quality. Head assembled and ready for installation. Cylinder + head fit all mopeds with 139fmb/fma engine wiec so it is good because the product is kind of universal. The only downside is that the packaging of the cylinder came a little battered, but inside these elements were wrapped in an additional foil boom wie więc probably something in the courier company happened. Anyway, I recommend it, I've been riding on it for a while now and nothing bad happens.

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Reliable opinion

2018-09-30, 09:28

poland

Marcin

Hi . As I was about to increase the capacity and dynamics of my moped I saw a 72cc kit so I decided to buy it . After putting it on and after 50 km on the run-in I do not recognize my moped, this kit guarantees everyone to increase its performance sufficiently. In summary, I recommend it to anyone who cares about improving the dynamics and comfort of driving their unicycle ;) .

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Reliable opinion

2016-03-08, 22:01

poland

Łukasz

i have a 2007 kingway 50 chopper I bought new starter chain sliders because the old ones were already very worn and while driving I could hear knocking after installing the new sliders the problem disappeared sliders fit perfectly in their place and not as I bought in another store nothing fit here, however, everything fit perfectly I am very pleased with them and I recommend them to anyone who wants to buy them.

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Reliable opinion

2020-10-22, 13:51

poland

Wojciech

Kit quality revelation for this price . Unfortunately, when it comes to the head itself, the shaft with bearings walked loosely and had to be corrected, as well as the valves are not tightened and need to be readjusted preferably before assembly. There should be an additional notice to check the heads carefully, because there can be such problems. Other than that, the motorcycle runs sensationally after assembly.

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Reliable opinion

2016-06-06, 14:45

poland

Łukasz

chopper kingway 50cc 2007 I bought this kit to improve the performance of my motorcycle, I am still in the process of lapping the cylinder but after a slight addition of gas you immediately feel that it has more power so after lapping and proper adjustment of the carburetor should ride at a speed of 100k / h The product is high quality worthy of recommendation to anyone who wants to increase the power of their motorcycle

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Reliable opinion

2018-06-23, 13:16

poland

Bartlomiej

I own a scooter sym orbit and I had a problem with cooling, as it turned out I did not have a cooling housing for the engine, so I ordered it from your site and I am very pleased with it ;) very easy to mount it because it is well-fitted and everything looks aesthetically, the only thing that can be complained about is the lack of a few screws with which to tighten the housing

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Reliable opinion

2018-09-21, 21:22

poland

Oliwier

Hello, my motorcycle I own is this 2013 Romet Router ws 50. The cylinder and head assembled very well but the head was completely out of adjustment and you have to adjust everything yourself, the timing marks are different than they should be but yes its all good with no problems so far.

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Reliable opinion

2016-05-03, 11:31

poland

Daniel

Zipp vz 50.2016 previous vehicle kingway king rode it 75,000km Product quite good for this type of vehicle (Chinese). Cylinder as well as the head works well, goes on it to make satisfactory mileage (30,000 km without any problems.)Greetings to all moving on two wheels.Daniel.

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Reliable opinion

2019-12-25, 23:49

poland

Kamil

I ordered an engine for a 110 capacity motorcycle I got what I saw on the website the company gmoto concrete reliable conscientious I have a couple of motorcycles and only here I do my shopping I recommend if someone is wondering there is nothing to buy boldly goods of 1 class without sciema what is in the description you buy and you have really recommended

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2020-12-05, 23:57

poland

Jacek

Everything is fine but I have a few reservations if it is sold as a complete set then it should also include pins for the manifold well and there should be lapped valves and not now you have to disassemble to reach the valves and it would be better to pack such things so that there is no slack in the package.

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Reliable opinion

2019-03-22, 12:42

poland

Ryszard

Hello I have a moped Zipp manic 50 year 2008 the installation went quickly and according to plan the materials I received were solidly and accurately made in the package I received everything I should motorcycle rides without any complaints you can feel a large increase in power greet!

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Reliable opinion

2018-01-07, 09:42

poland

Tadeusz

ROMET CRS 50 (1997) with a HONDA MX 124cc engine from 1974 (and only 1 overhaul !!!) ŻBIK BOATIAN 49 . (WAS ) NOW IS 80cm3 2005 YEAR. KOMAR 49 1972 VINTAGE RIDDEN AFTER 3 ENGINE OVERHAULS .FACTORY PAINTING

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Reliable opinion

2019-07-30, 23:42

poland

Dawid

Moped 50 cc I bought this kit head and cylinder 72cc, there were no problems with the installation everything fit perfectly.Feel the power increase compared to the serial 50cc,engine fired up the first time and is in the process of lapping I recommend this store!

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Reliable opinion

2024-09-20, 12:52

poland

Franz

I ordered this 139qmb engine, it fits perfectly and runs like the original from my Peugeot scooter after running in. If the mileage is the same, I'll buy it again straight away But I changed the engine oil and gearbox oil before the first start.

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Reliable opinion

2020-03-25, 15:09

poland

edward

romet router xm scooter Good and nice even cast crankcase. Fast service . good contact with the customer have. One thing I know I will always buy from you already. Ps. do not care about 400zeta. google,i am encouraged by your culture and help and knowledge of sales

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Reliable opinion

2023-09-22, 06:02

poland

Paweł

Hello I purchased this kit for ws router and I must say that from the very unpacking it was obvious that it is decent, everything fits nicely together and works as it should. The only thing they could have added to the kit is a chain guide wheel in the cylinder.

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Reliable opinion

2018-09-15, 07:44

poland

Dariusz

Repair kit of very good quality, everything fits perfectly and works as expected. Moretti company makes products of high standard and can be recommended 100%!!! So I recommend the product as well as the seller because everything is of a high standard.

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Reliable opinion

2021-12-04, 11:01

poland

Przemysław

Coliber 50 CCM 2008 year scooter The quality was fine, it fit perfectly. It was packed so that nothing was damaged. If the engine runs it means that everything is fine. The engine works properly and there is nothing wrong with the carter.

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Reliable opinion

2020-03-27, 12:59

poland

Józef

Hello, my motorcycle is a Benzer Choper year 2010. I purchased the engine complete and it was easily installed by me right away. I am very happy with this purchase, I drove it out of the garage the same day. Everything is great! Greetings.

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Reliable opinion

2019-07-29, 08:12

poland

Sławomir

I own 3 motorcycles romet ogar 205.router ws 50. pegout xr6.I order parts from gmoto every time and it is. Very satisfied with the parts as well as the implementation of the order. The part that I ordered is well made and most importantly complete.

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Reliable opinion

We have Motorcycle engine - parts to Zongshen Wind 50 4T