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Motorcycle engine bearings and seals
Zongshen Wind 50 4T 2006

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Found: 66
6207/17 C3 crankshaft bearing 4T - 230330
Bearing 6207/17 4T gearbox - 230331
Oil seals - shaft seals 4T GY6 - 216806 Oil seals - shaft seals 4T GY6 - 216806
Clutch Bearing HK202918RS GY6 4T - 188397 Clutch Bearing HK202918RS GY6 4T - 188397
Rear camshaft seal 17x30x6 GY6 - 81749 Rear camshaft seal 17x30x6 GY6 - 81749
GY6 bearing kit - 77454

€9.01

GY6 bearing kit - 77454

stars    (4)
Output shaft seal 17x29x5 4T - 73850 Output shaft seal 17x29x5 4T - 73850
Shaft seal 18.9x28x5 4T - 73852 Shaft seal 18.9x28x5 4T - 73852
Starter shaft seal 13.7x24x5 154FMI - 73849 Starter shaft seal 13.7x24x5 154FMI - 73849
Valve seal 1 pc. - 73768 Valve seal 1 pc. - 73768

€1.11

Valve seal 1 pc. - 73768

stars    (18)
GY6 4T engine seal kit - 73719
Right shaft seal 16.4x30x5 GY6 4T - 60256 Right shaft seal 16.4x30x5 GY6 4T - 60256
Shaft seal left 19.8x30x5 - 60255 Shaft seal left 19.8x30x5 - 60255
Valve seal 2 pcs 4T 139FMB 154FMI - 59064
Gearbox needle bearing HK 13.5 4T - 59047 Gearbox needle bearing HK 13.5 4T - 59047
Set of engine seals 139 QMB - BT17304
Engine bearing set 101 Octane - BT12281
-5%
Athena sealer 11.6x24x10 mm - M730900244500Athena sealer 11.6x24x10 mm - M730900244500

€2.46

Lowest price from 30 days before discount:  €2.59

Athena sealer 11.6x24x10 mm - M730900244500

-5%
Athena sealer 10x21x4 mm - M730000287000Athena sealer 10x21x4 mm - M730000287000

€3.04

Lowest price from 30 days before discount:  €3.20

Athena sealer 10x21x4 mm - M730000287000

stars    (1)

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Products reviews

2019-01-09, 11:33

poland

Monika

Shaft seal left 19.8x30x5

Simering Shaft Sealer left19.8x30x5 for 4t scooter very good quality with attention to detail it is worth replacing when overhauling the engine I recommend to everyone fits without any problem

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2019-01-08, 14:16

poland

Monika

GY6 bearing kit

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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2019-01-08, 08:32

poland

Monika

Shaft seal 18.9x30x5 4T 139FMB 154FMI

Shaft seal18.9x30x5 4T 139 fmb very well made with attention to detail fits without any problem I recommend to everyone

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2019-01-08, 10:00

poland

Monika

GY6 bearing kit

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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2019-01-09, 09:54

poland

Monika

Right shaft seal 16.4x30x5 GY6 4T

Simering Right Shaft Seal 16.4x30x5 gy6 4t very good quality material fits without any problem I recommend to everyone

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2022-02-28, 20:47

poland

Przemysław

Oil O-rings cylinder - head 4T 139FMB 154FMI

Hi, I have an atypical moped sachs madass with 139fmb engine ordered a set of cylinder + head 72 4T 139FMB the order itself with shipment went very smoothly, cylinder ok unfortunately the head was no longer 100% as it should be, mainly it's about the finish sharp edges with numerous flecks after treatment, in addition the casting probably from beer cans as for me the head itself is not worth anything better to put money and buy something better quality

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Gmoto's reply If the product does not meet your expectations, you can easily return it. To do so, fill out the form available at https://gmoto.com/returns.
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Reliable opinion

2025-05-14, 07:16

poland

Roger

Shaft seal 18.9x30x5 4T 139FMB 154FMI

Very simple ordering mechanism. This is the second time I have ordered this oil seal. The quality is convincing. The price/performance ratio is very good. I can only recommend this item. Intended use: Left crankshaft oil seal. Motorcycle: Ohvale GP-2 190 cc, Mini GP bike, year 2024

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2020-08-25, 22:22

poland

Kamil

Starter shaft seal 13.7x24x5 154FMI

I have a Zipp pro 50cc motorcycle from 2012 I ordered a starter shaft sealer and Motul 10w-40 semi-synthetic oil as for the sealer is very well made and thanks to this it can be installed quickly and without problems, oil clean and fragrant so you can confidently pour oil into the engine and enjoy the ride.

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2016-06-04, 17:52

poland

Przemysław

Valve seal 1 pc.

I purchased valve seals for a 150cc quad. I also bought a starter and a set of gaskets also for this quad. With the quality of the parts I bought so far I am satisfied. As for the seller also no reservations. Fast shipping and hassle-free. I recommend.

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2018-05-08, 20:42

poland

wiktoria

Shaft seal left 19.8x30x5

very fast shipping very easy assembly, I got the product just as it was shown in the picture without any damage recommend gmoto.pl :) everything was clear from and fast shipping and very fast contact with employees in case of detailed questions

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2025-03-08, 14:19

poland

Roger

Shaft seal 18.9x30x5 4T 139FMB 154FMI

Simple ordering process. The parts at a really fair price. Shipping costs fully ok. The parts exactly according to description and photos. I am very satisfied, many thanks for everything. Can only recommend the supplier.

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2025-05-06, 05:01

poland

Ulrich

Set of seals for the 4T 139FMB engine

The quality makes a very good impression. The look and fit are the same as the original part I replaced with it. Shipping was very fast, everything I ordered was securely packed.

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2019-05-11, 21:56

poland

Radosław

Set of seals for the 4T 139FMB engine

A set of seals for engines in the starter version. Great workmanship, everything fits perfectly into the crankcases. Flexible rubber for long-lasting use without replacement.

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2017-09-24, 22:35

poland

Michał

Clutch pushrod seal 12x21x4 4T 154FMI

The clutch tappet simmerring could enter the socket with a little more resistance. Completely smooth on the outside wall makes it easy for it to fall out when the clutch is manipulated more sharply.

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2020-02-22, 08:04

poland

Tomasz

GY6 4T engine seal kit

I own a Peugeot Kisbee version are, I bought a gm with a damaged engine and large oil bakes, thanks to gmoto.pl I bought all the necessary parts in two days and today I am enjoying the ride. I recommend

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2018-07-17, 06:56

poland

Paweł

GY6 4T engine seal kit

Moto Ventus Sport 4t engine seals very good quality price good and affordable very good company I recommend gmoto installation is also great greetings and encourage you to buy parts :)

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2025-09-01, 16:47

poland

tadeáš

Oil O-rings cylinder - head 4T 139FMB 154FMI

I used these sealing rings on my jawa betka /kentoya twinshot on 139FMB engine and I can not complain about the engine does not leak any oil and the material is better than the original.

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2020-03-24, 07:27

poland

Piotr

GY6 4T engine seal kit

I have a chinch scooter I ordered a set of engine gaskets complete. I arrived nicely packaged good quality, time to replace and go on. I recommend this store they help in choosing

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2018-07-16, 15:05

poland

Daniel

Output shaft seal 17x29x5 4T

very good quality sealer.holds very well and nothing leaks. .i recommend gmoto store because nice customer service fast shipping besides that same pluses for the store.

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2024-11-01, 20:12

poland

Kim

GY6 4T engine seal kit

The product keeps its promises, there are no unpleasant surprises. So far the quality seems to be good, but time will tell how long it will last.

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2024-11-01, 20:11

poland

Kim

GY6 bearing kit

The product keeps its promises, there are no unpleasant surprises. So far the quality seems to be good, but time will tell how long it will last.

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2024-11-01, 20:12

poland

Kim

Shaft seal left 19.8x30x5

The product keeps its promises, there are no unpleasant surprises. So far the quality seems to be good, but time will tell how long it will last.

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2020-05-02, 23:03

poland

Michał

Oil O-rings cylinder - head 4T 139FMB 154FMI

perform their function well, they fit well together , and lie well in the pupil, do not slip during installation like some which is very annoying at times

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2017-08-31, 17:27

poland

Łukasz

Clutch pushrod seal 12x21x4 4T 154FMI

I am an owner of zipp pro 50 year 2010 the sealer is well made and fits nicely to the motorcycle after its installation was zllikwidowany oil leak I recommend !!!

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2017-08-31, 17:27

poland

Łukasz

Output shaft seal 17x29x5 4T

I am an owner of zipp pro 50 year 2010 the sealer is well made and fits nicely to the motorcycle after its installation was zllikwidowany oil leak I recommend !!!

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2021-05-02, 20:39

poland

Wojciech

Oil seals - shaft seals 4T GY6

Zipp Steed 50 capacity 50ccm converted to 80 ccm good quality goods fit 139qmb/ 1p39qmb engine seals I compared with the original are ok.

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2020-04-14, 18:28

poland

tomek

Gearbox needle bearing HK14 4T 139FMB

junak 904 50cc 2018 139fmb bearing fits, it fits perfectly with the intermediate shaft, I can also say that it is better made than the original I recommend

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2019-08-18, 21:39

poland

Jakub

Oil O-rings cylinder - head 4T 139FMB 154FMI

oil orings very good job they hold up great where they belong I would recommend to anyone about to do a major overhaul of the 139fmb engine

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2022-02-15, 09:15

poland

Wojciech

Valve seal 1 pc.

The seals unfortunately do not fit the 169fmm engine. They are too narrow by 1mm and it is impossible to put them on. But on the plus side, the second spring at the top of the sealer.

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2019-10-11, 09:00

poland

Michał

GY6 4T engine seal kit

I have a moped scooter Romet router traffic xs 50 80cc 2011 year crankshaft seals are very good and super recommend to other users.

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2019-01-09, 10:51

poland

Monika

Rear camshaft seal 17x30x6 GY6

Simering Seal 17x30x5 gy6 4t very well made with high quality materials fits without any problem I recommend for any engine overhaul

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2021-04-22, 11:25

poland

Bożena

Set of seals for the 4T 139FMB engine

I own a Romet 50 the seals I ordered fit perfectly I am mega satisfied with the purchase as well as the service. I recommend in 100% Regards

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2021-08-30, 13:37

poland

Bartosz

Gear shift shaft seal 11.6x24x10 154FMI

Simering very good plastic does not let oil through. The quality of the material is very good fit also. Simering fitted to Cross 125

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2017-01-21, 22:56

poland

Jakub

Clutch pushrod seal 12x21x4 4T 154FMI

I have a zumico moped and the seal fits perfectly store gmoto has a very good and high quality motorcycle parts and prices so quite enough.

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2017-01-21, 22:56

poland

Jakub

Clutch pushrod seal 12x21x4 4T 154FMI

I have a zumico moped and the seal fits perfectly store gmoto has a very good and high quality motorcycle parts and prices so quite enough.

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2020-06-15, 15:56

poland

Przemysław

Oil O-rings cylinder - head 4T 139FMB 154FMI

Everything as positive as possible. Quality of materials as well as speed of shipping on the plus side. Certainly these are not my last purchases at Gmoto.pl

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2019-01-09, 11:42

poland

Monika

Gearbox needle bearing HK14 4T 139FMB

Needle bearing of gearbox hk 14 4t 139 fmb very good quality Bearing with attention to detail fits without any problem I recommend to everyone

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2018-04-10, 08:57

poland

Marcin

Oil O-rings cylinder - head 4T 139FMB 154FMI

Romet WS 50 vintage 2014 - the o-rings fit perfectly in their places. workmanship very good. when replacing the head we need 2 gaskets

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2021-09-05, 22:02

poland

Rafał

6207/17 gearbox bearing 4T

It arrived very quickly I highly recommend it whole and sound and fast shipping I highly recommend it put in rides and drives like it should .

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2019-03-01, 19:03

poland

Łukasz

Oil O-rings cylinder - head 4T 139FMB 154FMI

Everything as described .Delivery price and speed very satisfactory .Fits exactly to the model for which it is dedicated

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