Cylinder Kit + Head 50cc 39mm (short 64mm valves) without SLS for 4-stroke China GY6 Kymco 139QMB 139QMA Citomerx 107538
Prices plus VAT plus shipping costs
Unfortunately, this item is already sold out due to high demand.
Further variants / accessories
- Item no: 107538
- EAN: 4060861231780
- Manufacturer: Citomerx
- Manufacturer no.: 107538
This Citomerx 50cc (39mm) cylinder kit with head is the perfect solution for restoring power and reliability to your 4-stroke China GY6 or Kymco 139QMB / 139QMA engine. Designed for models with short 64mm valves and without SLS, the kit ensures easy installation and a clean look. Manufactured to precise specifications, it provides long-lasting durability and a perfect fit – a smart alternative to OEM parts. Ideal for engine rebuilds and maintenance.
Product Advantages:
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Accurate fit for 4-stroke China GY6 and Kymco 139QMB / 139QMA engines
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Without SLS – easier installation and tidy appearance
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Durable materials for extended service life
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Perfect for engine rebuilds and replacing worn cylinders
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Citomerx quality – tested and reliable
Scope of Delivery:
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50cc 39mm cylinder
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Cylinder head for short 64mm valves
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Piston with pin
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Piston rings
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Clips
| 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: | 4060861231780 |
| Note: | Ohne SLS / kurze Ventile 64mm |
| 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: | 107538 |
| 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.
