Cylinder Head 50cc 39mm (69.5mm long valves) without SLS for 4-stroke China GY6 Kymco 139QMB 139QMA Euro 4/5 Citomerx
- Manufacturer: Citomerx
- Item no: 107352
- Manufacturer no.: 107352
- EAN: 4060861231025
Item data
| Product type: | Cylinder head |
| Cylinder head dimensions (LxWxH): | 135 x 125 x 60 mm |
| Displacement: | 50 cc |
| Cylinder head stud bolt spacing: | 50 x 50 mm |
| Tuning & Styling Part: | No |
| Vintage part: | No |
| Cylinder head stud diameter: | 8 mm |
| Surface finish: | Matt |
| GTIN: | 4060861231025 |
| Note: | Ohne SLS / lange Ventile 69,5mm |
| Scope of delivery: | Cylinder head |
| Color: | Grey |
| Spark plug thread: | M10 x 1 |
| Features: | Durable, Corrosion resistant |
| Engine type: | 4-stroke |
| Scope of delivery: | 1x cylinder head |
| Manufacturer number: | 107352 |
| Country and region of manufacture: | China |
| Type of motorcycle: | Scooter |
| Units quantity: | 1 |
| Manufacturer warranty: | 2 years |
| Material: | Aluminum |
| Type: | Standard |
| suitable for: | 4-stroke China GY6 / Kymco 139QMB 139QMA |
Prices plus VAT plus shipping costs
In stock! Delivery time 1-3 working days
Cylinder kit 50cc including cylinder head + valves for China scooters, Baotian, Rex RS450
Cylinder kit 50cc Minarelli AC air-cooled horizontal engines, CPI, Rexy, Keeway
Cylinder kit 50cc AC air-cooled 12mm bolt angled flange for horizontal CPI engines, CPI, Keeway
Cylinder Kit 70cc LC watercooled incl. head for Piaggio engines, NRG, ZIP, NTT, Gilera Runner
Cylinder Set 50ccm 38mm Sachs 504 505 | Hercules Optima Prima M Tuning | Gasket Included
Ignition lock original Piaggio for scooter Vespa PX PK Cosa NRG TPH ZIP 50 80 125 200
The 50cc cylinder head with 39mm bore and 69.5mm long valves from Citomerx is the ideal solution for owners of 4-stroke China GY6 or Kymco 139QMB/139QMA engines (Euro 4/5 compliant) looking for a durable and precise replacement. Manufactured without a secondary air system (SLS), this cylinder head ensures clean installation and reliable performance. Perfectly matched to common scooters and mopeds – get your vehicle back on the road quickly and hassle-free.
Product advantages:
-
Exact fit for China GY6 / Kymco 139QMB / 139QMA engines (Euro 4/5)
-
Without SLS – easy installation without extra work
-
Durable 69.5 mm valves ensure stable engine performance
-
Sturdy Citomerx construction
-
Perfect replacement for worn or damaged original parts
Scope of delivery:
-
1x 50cc cylinder head (without SLS) with 69.5mm valves
ZS 2Radteile GmbH
Unterbibracherstr. 3
95519 Vorbach
Web page https://www.citomerx.de
Email: info@zweiradteile.net
| Product type | Cylinder head |
|---|---|
| Cylinder head dimensions (LxWxH) | 135 x 125 x 60 mm |
| Displacement | 50 cc |
| Cylinder head stud bolt spacing | 50 x 50 mm |
| Tuning & Styling Part | No |
| Vintage part | No |
| Cylinder head stud diameter | 8 mm |
| Surface finish | Matt |
| GTIN | 4060861231025 |
| Note | Ohne SLS / lange Ventile 69,5mm |
| Scope of delivery | Cylinder head |
| Color | Grey |
| Spark plug thread | M10 x 1 |
|---|---|
| Features | Durable, Corrosion resistant |
| Engine type | 4-stroke |
| Scope of delivery | 1x cylinder head |
| Manufacturer number | 107352 |
| Country and region of manufacture | China |
| Type of motorcycle | Scooter |
| Units quantity | 1 |
| Manufacturer warranty | 2 years |
| Material | Aluminum |
| Type | Standard |
| suitable for | 4-stroke China GY6 / Kymco 139QMB 139QMA |
Citomerx spare parts - precision, quality and top performance for your two-wheeler
Citomerx is an established brand in the field of spare parts and accessories for motorcycles, scooters, mopeds and quads. The company stands for precisely manufactured products, a wide range and excellent value for money. Riders and workshops who value reliable quality, a long service life and a high degree of fitting accuracy have been placing their trust in Citomerx for years.
Comprehensive range for all requirements
The Citomerx range includes far more than just standard spare parts: In addition to cylinder kits and variomatic weights, there are high-performance brake systems, robust clutches, electrical components such as alternators and starters as well as exhaust systems and carburetors. Many products are not only intended as replacements for original parts, but also offer a noticeable improvement in performance and durability thanks to technical optimizations. This allows drivers to keep their vehicle in top shape or optimize it in a targeted manner.
Precise fit and easy installation
Citomerx is particularly valued for the precise fit of its parts. Whether you are a hobby mechanic or a professional workshop - installation goes smoothly, as each component is precisely matched to the respective vehicle model. This saves time, ensures greater safety and reduces wear.
Suitable for everyday use and resilient
Another advantage of Citomerx is its consistent focus on suitability for everyday use. All products are designed for high loads and can withstand intensive use - whether in city traffic, on long tours or in sporty use. This makes Citomerx the right choice for all those who rely on technology that functions reliably and at the same time guarantees riding pleasure.
The advantages of Citomerx at a glance
- ✔️ Precise fit - easy installation without compromise
- ✔️ Wide range - from cylinder kits and brakes to electrics and exhaust systems
- ✔️ Optimized performance - many parts offer noticeable improvements over standard components
- ✔️ High load capacity - developed for everyday, touring and sporty use
- ✔️ Fair price-performance ratio - premium quality at attractive conditions
Conclusion: Citomerx impresses across the board
Whether for regular maintenance, necessary repairs or targeted tuning: Citomerx offers the right parts for almost every vehicle model. Drivers who value quality, reliability and durability consciously choose this brand.
With Citomerx, you are not only investing in spare parts, but also in the safety, value retention and performance of your two-wheeler. If you are looking for riding enjoyment without compromise, Citomerx is the right choice.
The fields marked with * are required.
I have taken note of the privacy policy.