Piston set 38mm 50cc for Hercules Prima M 2 3 4 5 Jogging C 1 2 3 HR2 Hobby Rider
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- Item no: 102049
- EAN: 4060861180828
- Manufacturer: Citomerx
- Manufacturer no.: 102049
Hercules C 1 City Bike (1972-1974
Hercules C 3 City Bike (1972-1974)
Hercules HR 2 Hobby Rider (1974-1987)
Hercules Jogging Type 516 (1984 -1986)
Hercules M 1 (1972-1978)
Hercules M 1 CH (1972-1978)
Hercules M 2 (1972-1978)
Hercules M 3 (1972-1978) 1978)
Hercules M 4 (1974-1975)
Hercules M 4 S (1974-1975)
Hercules M 5 (1974-1975)
Hercules M 5 S (1974- 1975)
Hercules MX 1 (1985-1994)
Hercules Prima S (1978-1987)
Hercules Prima (1978-1987)
Hercules Prima 2 N (1978-1996)
Hercules Prima 2 S (1978-1996)
Hercules Prima 3 S (1978-1996)
Hercules Prima 4 LN (1978-1996)
Hercules Prima 4 N (1978-1996) 1996)
Hercules Prima 4 S (1978-1996)
Hercules Prima 4 SL (1978-1996)
Hercules Prima 5 N (1978-1996)
Hercules Prima 5 S ( 1978-1996)
Hercules Prima 5 (1978-1996)
Hercules Prima 6 (1979-1981)
Hercules C 2 City Bike (1972-1974)
Hercules P 1 ( 1972-1977)
Hercules P 1 CH (1972-1977)
Hercules P 1 I (1972-1977)
Hercules P 1 X (1972-1977)
Product type: | Piston set |
Dimension B (compression height): | 28 mm |
Dimension F (piston skirt width inlet side): | 35 mm |
Dimension I (piston skirt length outlet side): | 39.5 mm |
Tuning & Styling Part: | No |
Piston ring (top) Width: | 1.65 mm |
Vintage part: | Yes |
Piston ring (top) Shape: | C (groove for locking pin on the edge) |
Cylinder bores: | 38 mm |
Dimension C (piston height): | 50 mm |
Dimension J (max. needle bearing width): | 15 mm |
Piston ring (top) Dimension: | 38 x 2.0 mm |
Piston ring (top) Profile: | Rectangular ring |
Dimension C + D (total height): | 53.5 mm |
Dimension G (piston skirt length inlet side): | 39.5 mm |
OE/OEM reference number(s): | 0286 378 005, 0286378005 |
Piston ring (bottom) Width: | 1.65 mm |
GTIN: | 4060861180828 |
Piston ring (bottom) Shape: | C (groove for locking pin on the edge) |
Dimension A (piston diameter): | 38.00 mm |
Bolt diameter: | 12 mm |
Piston ring (bottom) Dimension: | 38 x 2.0 mm |
Dimension D (curvature): | 3.5 mm |
Piston ring (bottom) Profile: | Rectangular ring |
Dimension H (piston skirt width outlet side): | 35 mm |
Scope of delivery: | Piston rings, Piston, Piston clips, Piston pin |
Bolt length: | 31 mm |
Dimension E (piston pin diameter): | 12 mm |
Color: | Silver |
Piston diameter: | 38 mm |
Engine type: | 2-stroke |
Scope of delivery: | 1x piston set |
Manufacturer number: | 102049 |
Country and region of manufacture: | China |
Type of motorcycle: | Moped & Mokick |
Offer package: | Yes |
Description of the package content: | Piston + piston rings + piston pin + piston clips |
Manufacturer warranty: | 2 years |
Material: | Aluminum alloy |
suitable for: | 50 cc |
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.