Description
High Torque Starter Motor for GY6 150cc Engines
This high torque starter motor is designed specifically for 4-stroke GY6 engines, ideally suited for riders with larger displacement kits or extended stroke cranks. It provides the necessary cranking torque to overcome the challenges of increased engine size. This part is one of the GY6 150cc scooter parts that can significantly improve starting performance, especially in high-compression builds.
Construction and Performance
Engineered with heavy-duty copper-wound armatures, this starter motor efficiently manages higher current loads without the risk of overheating. The precision-machined 9-spline drive ensures smooth engagement with the starter clutch, promoting reliability during operation. Additionally, the weather-sealed housing safeguards the internal components from moisture and vibration.
Compatibility and Use
This starter motor is compatible with various GY6 engine configurations, including standard, larger displacement, and stroker builds. When upgrading, it's advisable to pair it with an upgraded starter clutch and verify that your battery provides at least 200+ CCA for best performance.
Specifications
- Bolt Hole Spacing: 78mm
- Shaft Length: 22.5mm
- Number of Splines: 9
- Diameter at O-ring: 30mm
- Shaft Diameter: 11.5mm
- Dimensions: 6.5" L x 5.5" W x 4" H
Fitment
This starter motor fits a range of GY6 engines, including:
- GY6 150cc (157QMJ): Standard and performance builds
- GY6 125cc (152QMI): Performance-tuned variants
- Polaris / Kymco / SYM: Select 150cc models with GY6 architecture
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: GY6 150cc Scooter Parts (157QMJ) · GY6 Scooter Parts · Scooter Starters & Relays · Electric Scooter Hub Motors & Controllers · Scooter Parts
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