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Product ID: 73780

Head 90cc 4T set - 73780

€37.48 including VAT

We keep up with your passion!

Delivery tailored to your needs

You have 15 days to make a decision

New tuning head for Chinese scooters with GY6, QMB139, QMA139 4T engine

Manufacturer: Kengo
Manufacturer id: 73780
General description
  • complete with valves, springs and seals
  • fits 90cc cylinders
Dimensions
  • total height: 60 mm
  • diameter of pin holes: 7.3 mm
  • axial spacing of mounting holes: 50 mm
  • head with enlarged combustion chamber
Manufacturer:

Gmoto.pl Paweł Cebulak, Tadeusza Kościuszki 78, 37-100, Łańcut, PL, [email protected]

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Product reviews

4.74

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34 reviews

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  • 2025-03-19, 10:01

    poland

    hervé

    very good quality cylinder head, adds power when the engine revs up, which can be felt on acceleration and top speed, gaining at least 10km/h if you add an A9 camshaft or more, you'll gain even more, that's for sure! Perfectly packaged .thank you Gmoto .

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  • 2025-05-12, 09:27

    poland

    Jukka

    It's OK. Suitable for Kymco agility without problems. Otherwise just a standard aluminium cover - use half the official torque, exhaust manifold bolts preferably 5 Nm tighter than the recommended torque, etc.

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  • 2025-05-28, 04:17

    poland

    Zdeňka

    Hello, I bought the head for my King Way Ibis scooter due to a torn spark plug thread. The head fits great and after adjusting the valves the scooter runs nicely again. Thank you!

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  • 2025-09-23, 09:28

    poland

    make

    Ok price quality ratio The product was functional Myerials ok I recommend to order.

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  • 2025-10-16, 13:52

    poland

    Alexandru

    This head is compatible with kymco engine. Mine had to have the valve and seats lapped before installation .

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  • 2025-04-20, 19:11

    poland

    Dariusz

    bardzo dobra głowica idealnie pasuje do modelu jestem bardzo zadowolony z tej przyjemności z jazdy uwielbiam wiatr we włosach.

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  • 2025-03-19, 06:36

    poland

    Sauro

    Buon venditore, arrivato tutto in pochi giorni… sicuramente farò altri acquisti con gmoto grazie mille

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  • 2024-05-28, 14:01

    poland

    marcin

    Head as for any Chinese is power +30 to horses +30 to awe +100 to fly on the wheel oil no longer takes oil before I had to borrow from my grandfather burned 30l of superol from ursus c 360 now I have no problem with it fitted everything nicely

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  • 2024-09-19, 06:01

    poland

    Björn

    Super product quality is also very good will only order from gmoto the cylinder head fits very precisely

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  • 2024-09-28, 10:47

    poland

    Gabrijel

    Glava 80cm3 4t set mi se jako sviđa, motor je dobio puno snage, sada znam da mi se motor neće pokvariti.

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  • 2022-08-18, 09:54

    poland

    Fogt

    Goods as described fast processing of the order and shipping of the goods well made perfectly fitting production you do not need to correct anything just unpack install and enjoy the use works flawlessly heartily recommend.

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  • 2021-03-02, 12:46

    poland

    Dąbrowicz

    Peugeot Kisbee 2014 Quality of goods very good, well finished, very well packaged Fast delivery and friendly service gmoto

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  • 2021-07-18, 22:19

    poland

    Krzysztof

    Head ok, but the valves necessarily need to be reached, it runs in the engine without problems.

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  • 2020-01-22, 19:14

    poland

    Bartosz

    Router Sport 4t. I redid the engine but had a head that was too small, I ordered this product and it is very good, workmanship really high, no leftovers from the processes, the camshaft with the bridge fits elegantly. I recommend

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  • 2020-05-18, 12:03

    poland

    Dawid

    I own a Zipp Toros F16, The head arrived very well packaged, the build quality is really solid, and it fit perfectly, highly recommend :)

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  • 2020-07-14, 11:26

    poland

    OLGIERD

    FITS LIKE A GLOVE BUT IT'S A PITY THAT THE STOCK WAS NOT A GASKET - VOCAL HEAD TO ENGINE HOUSING COVERS?

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  • 2019-03-26, 17:03

    poland

    Monika

    Head 90cm very good head for 90cm cylinder well made with attention to detail recommend to all

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  • 2019-05-24, 09:51

    poland

    Wojciech

    The head is perfect.Very good quality workmanship.Hassle free installation .One note, it would be good if the valves were lapped.I am not attaching a picture as I would have to take the scooter apart

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  • 2019-09-11, 11:33

    poland

    Monika

    Head 80 very well made with attention to detail with high quality materials recommend to everyone fits without any problem

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  • 2018-09-09, 09:23

    poland

    Mirosław

    The head very well made after installation works well so far I am satisfied with the product and the store where I bought the head.

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  • 2018-10-27, 17:47

    poland

    Agnieszka

    Romet 747 4t 80cc 2008 very good quality product head fits the engine perfectly I recommend the product

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  • 2018-11-12, 12:26

    poland

    Dominik

    I own a scooter barton hurricane tuning 80 new head fit perfectly workmanship quality isrony good

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  • 2017-05-26, 12:40

    poland

    Dawid

    Head of poor material, fit to the serial cylinder.tragedy, valves had to be tightened because they barely held. Lots of filings were needed to clean everything.

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  • 2017-09-24, 11:21

    poland

    Przemysław

    I own a Romet 777 scooter and the head fit perfectly no problem with the installation went quickly and efficiently I recommend :)

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  • 2017-01-27, 07:00

    poland

    Bartosz

    Bass router, all in order

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  • 2017-03-13, 22:45

    poland

    Władysław

    Scooter

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  • 2016-08-07, 13:36

    poland

    Jakub

    Kingway Ibis 50. fitted very good, before fitting check the tightness of the valves ,because in my case they were not lapped

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  • 2016-04-17, 22:06

    poland

    Karol

    head as in the description nothing needs to be done valves tight very well made

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  • 2016-03-17, 09:17

    poland

    sylwek

    Junlin 4t 80cm kit Well made I highly recommend it

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  • 2016-05-20, 22:34

    poland

    Bartek

    Ferro 602-4t 50ccm I am satisfied.

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  • 2016-01-21, 21:12

    poland

    sylwek

    very good

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  • 2015-12-25, 06:14

    poland

    Krzysztof

    will still fly

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  • 2015-06-14, 12:58

    poland

    Andrzej

    recommend

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  • 2015-11-13, 04:49

    poland

    Krzysztof

    recommend

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