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Motorcycle engine - parts
Flex Tech Thunder 25 4T 2017

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Found: 215
Magnetic oil drain bolt M12x1.5 HLP - 3066583 Magnetic oil drain bolt M12x1.5 HLP - 3066583
Simering seal 16.4x30x5 101 Octane - IP23511
EGR SLS GY6 50 139QMB 101 Octane - BT15475
GY6 139QMB oil pump on shaft 22 zeb 101 Octane - BT14782
Oil drain plug M12x1.5 with magnet - 229864

£7.53

delivery 0 £

Oil drain plug M12x1.5 with magnet - 229864

stars    (1)
Complete cylinder 80 cm3 GY6 139QMB 101 Octane - BT27365
Nut M12x1.25 - 165013

£1.14

delivery 0 £

Nut M12x1.25 - 165013

Transmission gasket 101 Octane - BT14010

£2.91

delivery 0 £

Transmission gasket 101 Octane - BT14010

stars    (2)
GY6 139QMB 101 Octane camshaft bridge - BT13854
Engine mount 139QMB 101 Octane - BT33012

£16.01

delivery 0 £

Engine mount 139QMB 101 Octane - BT33012

stars    (1)
Foot starter gear 139QMB 101 Octane - BT14430 Foot starter gear 139QMB 101 Octane - BT14430
Foot starter mode 101 Octane - BT24486 Foot starter mode 101 Octane - BT24486
Timing chain 139 QMB 101 Octane - BT40009

£3.81

delivery 0 £

Timing chain 139 QMB 101 Octane - BT40009

stars    (1)
Cylinder set GY6 4T 90cc - 63505 Cylinder set GY6 4T 90cc - 63505

£19.17

delivery 0 £

Cylinder set GY6 4T 90cc - 63505

stars    (11)
GY6 4T Drive Belt Cover Bolts - 63502 GY6 4T Drive Belt Cover Bolts - 63502

£3.68

delivery 0 £

GY6 4T Drive Belt Cover Bolts - 63502

stars    (6)
Drive belt cover length 40cm GY6 4T Drive belt cover length 40cm GY6 4T Options +3

£14.22

delivery 0 £

Drive belt cover length 40cm GY6 4T

stars    (60)
4T GY6 Cylinder Studs Set - 60311 4T GY6 Cylinder Studs Set - 60311

£3.32

delivery 0 £

4T GY6 Cylinder Studs Set - 60311

stars    (1)
Camshaft GY6 4T 80cc 139QMB - 60304 Camshaft GY6 4T 80cc 139QMB - 60304

£5.36

delivery 0 £

Camshaft GY6 4T 80cc 139QMB - 60304

stars    (10)
Kickstarter Gear 8 Teeth 4T Kickstarter Gear 8 Teeth 4T Options +3

£2.08

delivery 0 £

Kickstarter Gear 8 Teeth 4T

stars    (24)
Kick starter gear 7 teeth 4T Honda Dio type1 - 60308 Kick starter gear 7 teeth 4T Honda Dio type1 - 60308
Cylinder set GY6 4T 80cm3 47mm Cylinder set GY6 4T 80cm3 47mm Options +3

£11.05

delivery 0 £

Cylinder set GY6 4T 80cm3 47mm

stars    (34)
Starter shaft - kicker segment 63mm GY6 4T - 60303 Starter shaft - kicker segment 63mm GY6 4T - 60303
Starter shaft length 46.3mm GY6 4T to 7 teeth - 60301 Starter shaft length 46.3mm GY6 4T to 7 teeth - 60301
GY6 4T Oil Filter Cap - 60269 GY6 4T Oil Filter Cap - 60269

£1.32

delivery 0 £

GY6 4T Oil Filter Cap - 60269

stars    (13)
Cylinder + head 80cc set 4T GY6 - 60259 Cylinder + head 80cc set 4T GY6 - 60259

£45.49

delivery 0 £

Cylinder + head 80cc set 4T GY6 - 60259

stars    (23)

Browse by manufacturer

Products reviews

2019-02-25, 18:42

poland

ForRace

Drive belt cover length 40cm GY6 4T

I own a 65cc Baotian BT50QT-9 scooter. The belt cover is probably one of the parts that I find myself replacing quite often. Therefore, there is no point in spending an unknown amount of money on brand-name products, I think you can probably buy two of the same product, in this case the cover, and have another replacement. The product fit perfectly for GY6 4T engines like Baotian, Bassa, Coliber. Also recommend :)

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2019-10-18, 16:31

poland

Jakub

GY6 4T Oil Filter Cap

Chinese scooter torq 80ccm 2016. About the cork as it is about the cork much to write, workmanship, fit and quality of materials at a high level, the seal sits as it should, nothing leaks, nothing drips. I recommend this product as much as possible.

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2021-11-12, 12:37

poland

Oskar

Drive belt cover length 40cm GY6 4T

Hi I have a kingway coliber sport scooter and the belt cover is very good quality it is solid and we are sure it will not break it fits my scooter perfectly , it does its job .

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2025-09-08, 07:35

poland

Samu

Engine mount 139QMB 101 Octane

High quality and affordable. Fast delivery. Marginal measurement error in width, at least for the Znen qt model, but still managed to fit in place and works as expected.

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2019-01-08, 12:13

poland

Monika

Camshaft GY6 4T 80cc 139QMB

4t 80ccm camshaft very good quality bearings very well made with attention to detail fits without any problem recommend to everyone

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2019-03-26, 17:36

poland

Monika

Kickstarter Gear 8 Teeth 4T

Foot starter wheel 8 teeth 4t very well made with attention to detail with high quality materials recommend to all

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2019-01-09, 11:01

poland

Monika

Bushing for bendix in 4T 101 Octane drive belt cover

Bushing for bendix in 4t drive belt cover very good quality materials fits without any problem recommend to everyone

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2019-03-26, 16:57

poland

Monika

Starter shaft - kick starter - half moon 4T GY6 50 cm3

Starter shaft fits 4t scooters very good quality materials with attention to detail recommend to all

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2019-01-08, 10:50

poland

Monika

Cylinder set GY6 4T 90cc

Cylinder kopl 4t 90cm3 very well made with attention to detail gives a lot of power to the scooter I recommend to everyone

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2017-09-11, 17:32

poland

Abramowicz

Starter shaft - kick starter - half moon 4T GY6 50 cm3

Zipp G2 Toros F16 - installation went without any problems parts fit perfectly and as for the appearance and aesthetics of the workmanship is good although parts for these vehicles are made with not the greatest care. This was not the first time I bought parts on Gmoto.pl I buy here every time, not only scooter parts but also parts for cars and there is no problem with the assembly, fit and rapid wear of these parts and I am satisfied.

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2023-08-28, 10:44

poland

Kamil

Drive belt cover length 40cm GY6 4T

Well the product is very good with good material it is light so it is very easy to apply it is durable it is very well made so I think it will serve you a long time in my opinion it is worth buying it because as I said it is very durable I know what I am saying well nothing but take it greetings

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2017-09-20, 17:37

poland

Wieslaw

Drive belt cover length 40cm GY6 4T

Hello all interested parties I can recommend Gmoto Company that the products purchased are of very good quality well packaged and complete shipping fast no and for information to other users of 4t scooter better order parts here because and cheap and good.

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2017-12-06, 18:56

poland

Kazimierz

Cylinder + head 80cc set 4T GY6

Super fast delivery,goods full value,as described.80cc kit after installation gave a kick and much more power to my Chinese.Logical that the valves had to be reached,but the compression is such that it's hard to rock the hoe. I recommend!!!

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2021-10-25, 18:37

poland

Sławomir

Starter shaft - kick starter - half moon 4T GY6 50 cm3

I own a 2008 Magnus Carawe scooter. Assembly went without a problem parts purchased from you are of excellent quality as well as the materials from which they are made I am very satisfied with the purchases from you I recommend your store to all my friends.

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2016-05-22, 22:03

poland

Marek

Cylinder + head 80cc set 4T GY6

hello I own a Chinese router bass scooter with a capacity of 50, after monataż has gained power and speed now I ride it 115 km/h in what I myself can not continue to believe, I sincerely recommend this product, nothing better can not happen to you. I recommend

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2018-04-25, 17:22

poland

Miłosz

Starter shaft - kick starter - half moon 4T GY6 50 cm3

Ventus primus II Workmanship very good, fits perfectly, without any defects. I always order parts from Gmoto.pl because I know that they will be at attractive prices and always arrive on time. I recommend this store as much as possible.

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2018-04-25, 17:22

poland

Miłosz

Kickstarter Gear 8 Teeth 4T

Ventus primus II Workmanship very good, fits perfectly, without any defects. I always order parts from Gmoto.pl because I know that they will be at attractive prices and always arrive on time. I recommend this store as much as possible.

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2017-06-17, 10:01

poland

Dawid

Starter shaft - kick starter - half moon 4T GY6 50 cm3

Thanks to the new starter shaft along with the starter lever, I was finally able to start the scooter without any problems after the replacement. The parts were of very good quality and from what I noticed will last more than the original ones I replaced.

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2024-09-20, 06:30

poland

Alexandros

Oil drain plug M12x1.5 with magnet

Good morning, I was looking everywhere for this particular replacement, but I only found it in this store. I am very happy with the quality of the product in relation to the price. It's worth it and more.

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2016-02-23, 12:52

poland

Kacper

Cylinder + head 80cc set 4T GY6

The cylinder itself is very well made, my scooter*romet 747) after installing this kit has a very high power, the head has undershot valves, you have to do it yourself, other than that everything is in top order, I recommend :)

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2020-06-14, 17:41

poland

Marek

Drive belt cover length 40cm GY6 4T

Router Bassa 50, 2012, Town & City. The cover fit very well, made accurately, no burrs, lint. Installation did not cause any problem. Painting accurate, uniform, no discoloration or dullness.

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2020-01-04, 18:38

poland

Sebastian

Cylinder set GY6 4T 90cc

Brok on piston and channels price very good for the quality of the product as much as possible I recommend along with the head 90cm3 may appear collision suggests to collect some material from the piston or house a thicker gasket

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2021-05-31, 14:42

poland

Tomasz

Drive belt cover length 40cm GY6 4T

Bassa 50 4T Router. Replacing the cover went quite smoothly, it could have been better if I had all the tools (pliers to remove the binder) but I managed without them as well. Everything fit.

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2024-10-08, 06:40

poland

Reiner

Kickstarter Gear 8 Teeth 4T

All parts and oil ordered were delivered on time and well packaged. All parts fit exactly for the Benzhou Retroroller. I am happy to recommend this dealer

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2017-05-12, 08:11

poland

Michał

GY6 4T Oil Filter Cap

Junak 50 ccm scooter purchased at allegro.Mileage 5600 km without the slightest objection. When changing oil I had a problem with unscrewing the oil drain plug - quickly fixed

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2017-04-29, 13:35

poland

ANTONINA

Camshaft GY6 4T 80cc 139QMB

Scooter Router Grande capacity 50ccm,purchased tuning camshaft is made accurately and very good material,meets 100% of its purpose-recommend.

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2021-12-22, 15:07

poland

Bernard

GY6 139QMB 101 Octane camshaft bridge

Motobi Huzar 4T 50cc. The product is solidly made. It is not a cheap Chinese product. Precise dimensions contribute to fast and trouble-free installation and operation.

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2025-06-09, 22:29

poland

jasper

Cylinder set GY6 4T 90cc

Very high quality and reliable I have the same cylinder on two gy6 scooters and it plays really well and lasts well for the price a really good buy!!!

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2020-03-27, 08:04

poland

Mariusz

Starter shaft - kick starter - half moon 4T GY6 50 cm3

Zipp 500gp 2017 year everything fits perfectly and works beautifully,you can see that solid workmanship.The shipment arrived momentarily from the purchase.I recommend this crescent to others

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2024-02-03, 06:55

poland

Piotrbronson

Starter shaft - kick starter - half moon 4T GY6 50 cm3

NOT super quality for a low price, so far nothing has worn out you need to do well, fix the mound, if not done, these indentations, in the mound will grind!

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2019-10-11, 08:55

poland

Michał

Camshaft GY6 4T 80cc 139QMB

I have a moped scooter Romet router traffic xs 50 4T 80cc 2011 year. The shaft is very good almost perfect .I recommend it to all who have 4T scooters

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2020-01-04, 18:32

poland

Sebastian

Cylinder set GY6 4T 90cc

when assembling the head and cylinder collision occurs you have to give a thicker gasket pog head, I personally rolled a piston for this amount I do not complain

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2025-05-20, 20:10

poland

Mihail

Cylinder + head 80cc set 4T GY6

It's ok, worked but this is a 72cc not by any means an 80cc. One of the metal studs is warped because it was in the same package with the other sharp parts.

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2018-03-18, 11:18

poland

Paweł

Cylinder + head 80cc set 4T GY6

Hello product great and cooperation with you is also great greetings and parts fit flawlessly and delivery is also great and consultants too greetings.

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2021-10-17, 14:01

poland

Tomasz

Drive belt cover length 40cm GY6 4T

Chinese scooter bought for pennies name unknown probably benzer year unknown assembly went quickly and smoothly fits perfectly as per description

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2016-03-17, 12:20

poland

kamil

Cylinder + head 80cc set 4T GY6

I have a 2008 motobi scooter purchased parts on gmoto are of very good quality and the order is always with me the next day. Reliable company

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2025-08-21, 15:50

poland

Delbart

Camshaft GY6 4T 80cc 139QMB

Very good quality product, nothing to complain about. The shaft fitted like the original. It slightly increased the scooter's power.

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2022-01-07, 10:58

poland

Maciuś

GY6 4T Drive Belt Cover Bolts

The quality of workmanship is fajntastic. Probably the best company. I will buy here more often, because I have already ordered several things and have not been disappointed.

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2018-01-29, 13:59

poland

FRANCISZEK

Drive belt cover length 40cm GY6 4T

Hello,I repair unicycles and the goods that Gmoto.pl sells are of very good quality.Not once have I had to advertise any product.

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2025-08-23, 08:34

poland

lequeux

Cylinder + head 80cc set 4T GY6

Excellent part that works perfectly on my scooter, I recommend it with my eyes closed....... I'm going to order it again.

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