Junak 903 50 4T - parts - Gmoto - Page 3

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Junak 903 50 4T - Page 3

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Products reviews

2020-09-07, 08:47

poland

Krystian

Starter chain guide set 139FMB 4T

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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2019-03-26, 17:22

poland

Monika

Cylinder pin nut and washer 4 pcs

Cylinder pin nuts and washers fmb139 super quality with attention to detail made of high quality materials I recommend to everyone

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2020-09-07, 08:50

poland

Krystian

Timing chain guide roller bolt 4T 139FMB 154FMI

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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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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2020-09-07, 08:58

poland

Krystian

Cylinder pin nut and washer 4 pcs

Installation went without a problem threads not damaged the shipment itself also not damaged I recommend the product

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2016-03-08, 22:01

poland

Łukasz

Starter chain guide set 139FMB 4T

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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2019-10-14, 12:55

poland

Kacper

Carburetor PZ16 PZ20 Chinese mopeds 4T

The carburetor is of very good quality, it fits my Router ws 50 moped very well, the moped started to run faster and the combustion is not higher at all. Although I had to correct the alignment of the firing pin because it was choking but now everything is fine, and the carburetor itself was adjusted already after unpacking from the package. It is certainly better this Japanese carburetor than my old Chinese one. I highly recommend this product.

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2020-04-09, 15:23

poland

Mateusz

Spark Plug A-7TC Quad ATV FMB 4T

Hi!!I am the owner of a quad 150 atv for which I decided to purchase the above spark plug.The product is doing a great job,I have no reservations about it,you can really use it for a long time .The plug fits perfectly in the hole to the combustion chamber and gets the right temperature during the spark which allows you to keep the combustion chamber very clean.

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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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2018-02-07, 15:33

poland

Szymon

Carburetor PZ16 PZ20 Chinese mopeds 4T

Romet Ogar 202 50cc 4t 2017 carburetor bdb finally works, because the factory one was not workmanship and I put aside ,,finally does not muddle in 4th gear less heats up and can be adjusted I finally changed from pz16 to pz 20 japan and there is power I recommend 100% this store klijet service bdb I will buy only here anywhere else I highly recommend! ;)

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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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2018-06-23, 13:18

poland

Karol

Carburetor PZ16 PZ20 Chinese mopeds 4T

In the first words I want to convey that the ganik simply is very good under the capacity of 49 CCM The carburetor is very well adjusted, you just put it on and go enjoying every kilometer you drive. I am very satisfied with the purchase of this gasifier. Best regards.

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2018-12-02, 14:38

poland

Gracjan

Gear shifter ratchet bolt 4T 139FMB

Barton FR 50 2014. The pawl really does its job very well, the gears do not fall out or jump. the product is made very aesthetically pleasing and is very easy to install. I am very satisfied with this purchase, I recommend to other customers greetings warmly.

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2024-10-03, 03:39

poland

Cezary

4T 139FMB engine bolts set

This kit is very useful for overhauling FMB139 and related engines . Finally I have new screws, and do not have to look for anything . All that were scratched or machined I replaced with new ones . Now it is completely different . :D

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2023-12-31, 11:05

poland

Robert

Cylinder pin nut and washer 4 pcs

As the only product I have a negative opinion because the quality of the thread in the nuts purchased was tragic both in terms of its appearance and the internal diameter on which the thread was made . I did not install them on the motorcycle .

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Gmoto's reply If you are not satisfied with the quality of workmanship of the purchased item, simply submit a complaint request on the store's website.
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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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2021-02-22, 08:51

poland

Ireneusz

Spark Plug A-7TC Quad ATV FMB 4T

I own a 2020 KDX Avenger 125cc quad and had a major problem with the ignition. The purchased spark igniter needed to be reworked, because the input did not fit on the pins. But it was done successfully, the quad runs like gold. I recommend the product.

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2019-01-09, 22:32

poland

Bartek

Oil filter strainer Cross 110 125 154FMI

110ccm capacity quad from bemigermany with TZH152FMH engine (top starter) nothing in particular different from other Chinese 110 engines. The filter fits, does its job as it should, good product.

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2022-01-16, 13:02

poland

Krzysztof

Cylinder oil passage bushing 4T 139FMB 154FMI

Barton Ranger 120CC, the bushing fits, of course. The oil bushing comes in a kpl. with a gasket-oring. I am very satisfied with the packaging of goods at Gmoto, I order a lot of small parts and not once was there a mistake :=)

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2025-05-06, 05:00

poland

Ulrich

Oil pump 4T 139FMB

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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2020-07-20, 08:25

poland

Łukasz

Carburetor PZ16 PZ20 Chinese mopeds 4T

Carburetor ok after adjustment perfectly goes into rotation cold smoke without suction, orginal nozzle is 78 one flaw is the drain screw from the float chamber is not drilled and you have to unscrew completely to drain petrol

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2019-07-13, 10:57

poland

Daniel

Carburetor tuning manifold 110cc

The product is made of good quality material, which should give us better operation and prolong the life of the product. Replaced in Barton Volcano and there it fits better than the original. Aesthetically it looks respectable

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2018-09-16, 12:03

poland

Arkadiusz

Cylinder pin nut and washer 4 pcs

Junak 901F 50cm3 capacityride it sensationally,and the products purchased from you emphasize the specific haracteristics of the motorcycle and increase its visual appearance from elegant to mega effectively nice

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2018-03-23, 20:07

poland

Dawid

72cc cylinder head gaskets

Hello everyone I own a Zipp pro 50 moped I ordered a 72cc cylinder head gasket, it was a perfect fit and went around without any modifications. I rate the product as very good.

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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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2021-04-14, 08:21

poland

Bartosz

4T 139FMB engine bolts set

Screws I bought for Zipp Pro 50/110 with 139 fmb engine after unpacking I started to screw the engine with them. The screws screw in easily there was not a single one missing from the set I even got one with a surplus. I recommend.

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2021-04-14, 08:21

poland

Bartosz

4T 139FMB engine bolts set

Screws I bought for Zipp Pro 50/110 with 139 fmb engine after unpacking I started to screw the engine with them. The screws screw in easily there was not a single one missing from the set I even got one with a surplus. I recommend.

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2024-12-04, 14:19

poland

Dupont

Clutch basket nut and washer 4T 139FMB set

Perfect very good parts the bed and complete for the perfecto clutch nayaux it looks good size fortunately there are small replacement parts so it's good

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2016-03-08, 22:01

poland

Łukasz

Carburetor tuning manifold 110cc

i have a 2007 kingway 50 chopper manifold made of good quality material provides long-lasting performance perfectly fits the carburetor and head really recommend to everyone!!!

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2025-11-21, 18:07

poland

Matthias

Cylinder Head Gaskets 50cc 139FMB 4T

Well-fitting gasket set. Very good price-performance ratio. Good quality. Was sealed on a cardboard box and therefore very suitable for transportation by post.

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2020-10-11, 10:35

poland

Sławomir

Starter lever Ogar 900 WS50

The lever fits ws without any modifications, the quality of workmanship is very good it is solid, the self-opening locking system is also good it does not jam or anything

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2025-03-17, 10:05

poland

Victor

Gearbox complete 4T engine ball bearings

Quite good protected in the package and the performance of my engine quite happy even though it has the gears reversed so it is better and very happy with the performance.

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2024-05-03, 07:56

poland

Irena

4T 139FMB engine bolts set

Bought, installed, works, what more to want. The purchase has met my expectations in every way. If I buy from gmoto then I know that it will certainly fit fo my scooter.

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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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2020-02-17, 15:06

poland

Paweł

Piston rings 72cc 4T 139FMB

Cross/enduro engine zumico 72cm3 rings perfectly matched as well as compression I recommend installation went without a problem successfully. Package protected inside

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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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2018-07-16, 15:05

poland

Daniel

Exhaust stud nut 4T 139FMB 2 pcs.

good quality nuts strong thread, I highly recommend these nuts.I recommend gmoto store because nice customer service fast shipping besides that, same pluses for the store.

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2016-04-15, 22:11

poland

Jarosław

Oil filter strainer Cross 110 125 154FMI

Kinroad chopper king 50 I really recommend to others WORTH 100% just like in the picture and original along with nailed down part numbers and full professionalism:)

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2023-09-01, 08:07

poland

Łukasz

Oil pump 4T 139FMB

Product as described fits perfectly to Zumico GR 500 I recommend! In gmoto store I buy quite often and the goods always on the second day is and me.

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