Cylinder Kit + Head 50cc 39mm (69.5mm long valves) (with SLS) for 4-stroke China GY6 Kymco 139QMB 139QMA Euro 4/5 Citomerx
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Unfortunately, this item is already sold out due to high demand.
Further variants / accessories
- Item no: 107539
- EAN: 4060861231797
- Manufacturer: Citomerx
- Manufacturer no.: 107539
This Citomerx Cylinder Kit + Head 50cc 39mm with 69.5mm long valves (incl. SLS) is the perfect choice to give your 4-stroke China GY6 or Kymco 139QMB / 139QMA engine (Euro 4/5) new power. Thanks to precise manufacturing and solid materials, this kit ensures reliable performance and long service life. Ideal for replacing worn or defective original parts, this complete kit allows quick and easy repair with perfect fit — no additional modifications needed.
Product advantages:
✔️ Perfect fit for China GY6, Kymco 139QMB/139QMA Euro 4/5
✔️ Complete set including cylinder head with SLS
✔️ Durable and solid design for high riding comfort
✔️ Easy installation without rework
✔️ Restores original engine performance
Scope of delivery:
-
1x cylinder 50cc 39mm
-
1x cylinder head with SLS
-
1x valves (69.5mm long, pre-assembled)
-
1x gasket set
| Product type: | Cylinder set |
| Cylinder head dimensions (LxWxH): | 135 x 125 x 60 mm |
| Piston pin diameter: | 13 mm |
| Displacement: | 50 cc |
| Can the original cylinder head be used?: | Yes |
| Cylinder head stud bolt spacing: | 50 x 50 mm |
| Tuning & Styling Part: | No |
| Piston ring profile: | Rectangular ring |
| Vintage part: | No |
| Cylinder head stud diameter: | 8 mm |
| Piston special feature: | mit Abstreifring |
| Surface finish: | Matt |
| Cylinder special feature: | Kettenspanner Lochabstand: 40mm / M6 |
| GTIN: | 4060861231797 |
| Note: | Mit SLS / lange Ventile 69,5mm |
| Cylinder dimensions (LxWxH): | 115 x 110 x 70 mm |
| Scope of delivery: | Gasket set, Cylinder, Cylinder head, Kolben Set |
| Cylinder stud distance: | 50 x 50 mm |
| Cylinder stud bore: | 8 mm |
| Color: | Grey |
| Spark plug thread: | M10 x 1 |
| Number of piston rings: | 4 |
| Features: | Durable, Corrosion resistant |
| Engine type: | 4-stroke |
| Scope of delivery: | 1x cylinder set |
| Manufacturer number: | 107539 |
| Country and region of manufacture: | China |
| Type of motorcycle: | Scooter |
| Offer package: | Yes |
| Units quantity: | 1 |
| Description of the package content: | Cylinder head cylinder set |
| Manufacturer warranty: | 2 years |
| Material: | Several materials |
| Type: | Standard |
| suitable for: | 4-stroke China GY6 / Kymco 139QMB 139QMA |
ZS 2Radteile GmbH
Unterbibracherstr. 3
95519 Vorbach
Web page https://www.citomerx.de
Email: info@zweiradteile.net
Citomerx stands for quality, precision, and performance for motorcycles, scooters, mopeds, and quads. As a renowned manufacturer, Citomerx offers a broad range of parts and accessories designed for both DIY enthusiasts and professional workshops. With cutting-edge manufacturing technology, strict quality controls, and innovative design, Citomerx sets new standards for durability and performance.
From cylinder kits and variator weights to exhaust systems and brake components, Citomerx reliably delivers solutions that meet the highest demands. Known for precise fit and excellent value for money, Citomerx parts are the first choice for maintaining and enhancing two-wheelers.
Citomerx understands the needs of riders and offers products engineered for maximum durability and efficiency. Constantly evolving to keep pace with market trends and technological advances, Citomerx is a trusted name for those who value performance, safety, and modern design.
Choose Citomerx – for uncompromised riding pleasure and reliable technology.
