High Torque Starter Motor GY6 150-232cc Performance
ITEM# TT-24861
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Description
Heavy-Duty Starter Motor for GY6 150cc Engines
This heavy-duty starter motor is built for 4-stroke GY6 engines and suits riders running larger displacement kits or extended-stroke cranks. It delivers the cranking force needed to turn over a bigger engine. This component belongs to the GY6 150cc scooter parts range and can noticeably improve starting, particularly on high-compression builds.
Build and Operation
The armatures are heavy-duty and copper-wound, allowing the motor to handle higher current draw without overheating easily. A precision-machined 9-spline drive meshes smoothly with the starter clutch for dependable engagement. The housing is weather-sealed, which helps keep moisture and vibration away from the internal parts.
Compatibility and Use
This motor works with a range of GY6 engine setups, including stock, larger-bore, and stroker builds. If you upgrade, pairing it with an upgraded starter clutch is recommended, and it's worth confirming your battery offers at least 200+ CCA for the best results.
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
- Fits: GY6 150cc (157QMJ) 4-stroke engines, including big bore and stroker builds
Fitment
Fits:
- GY6 150cc (157QMJ) engine (standard, big bore 58.5mm+, and stroker builds)
Where it goes: part #5 on the starter diagram for the GY6 150cc (157QMJ).
Other versions: For GY6 125/150cc scooters with a 9-spline starter, the Blue Line version is available here: GY6 125/150cc Scooter 9-Spline Starter Motor.
Shop more: GY6 150cc Scooter Parts (157QMJ) · GY6 Scooter Parts · Scooter Starters & Relays · Electric Scooter Hub Motors & Controllers · Scooter Parts
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