Kickstart Shaft 46mm / 20mm GY6 50cc, 139QMB
Kickstart Shaft 46mm / 20mm GY6 50cc, 139QMB
Description kickstarter shaft GY6 50cc 139QMBReplacement kickstarter shaft, compatible with GY6 50cc 4T 139QMB and Kymco 2T / 4T 50cc and 125cc engines. This part is identical to the original model, ideal for replacing a damaged shaft and restoring the correct function of the kickstart system.Technical dataToothing: 20 mmShaft length: 46 mmSemi-circle diameter: 89 mmImportant: Different shaft lengths are available depending on the Vario cover. Please compare the dimensions and shape with the original shaft before purchasing.Note: The welding point between the teeth is intentional and not a manufacturing defect. It is designed to prevent the crescent from rotating too far. Questions about the product
- Brand: Standard Parts
- SKU: MF60.19450
- Availability: In stock soon
Technical Specifications
Performance Features
CNC Machined
Precision-engineered components for perfect fitment and maximum performance.
Lightweight Design
Optimized weight reduction for improved acceleration and handling.
Racing Performance
Track-proven design delivering consistent power and reliability.
Increased Reliability
Premium materials ensure long-lasting durability under extreme conditions.
High RPM Stability
Engineered to maintain balance and performance at maximum RPM.
Improved Cooling
Advanced thermal management for consistent performance.
Fitment & Compatibility
| Brand | Model | Engine | Years |
|---|---|---|---|
| Piaggio | Vespa S | 2-Stroke | 2008-2020 |
| Piaggio | Vespa LX | 2-Stroke | 2005-2015 |
Technical Data
Shipping & Delivery
Installation Information
Professional installation recommended. Improper installation may void warranty and cause engine damage.
Always use proper torque specifications and break-in procedures for optimal performance and longevity.