Scooterworks USA, LLC
Scooterworks GY6 150 Long-Case Short Block Engine
Description
This Scooterworks GY6 long-case short block gives you the foundation to build your engine your way. Start with an assembled lower end and automatic CVT, then choose the compatible cylinder and head that suit your project. Designed for compatible GY6 125cc and 150cc four-stroke applications, this builder's special includes the stator, flywheel, cooling fan, electric starter, and kickstart, so you can focus on completing your top end rather than starting from a bare crankcase.
Key Features
- Choose your top end: Short-block configuration lets you select a compatible cylinder and head for your build.
- Automatic CVT included: Supplied with the continuously variable transmission and an 835-20-30 drive belt.
- Two starting options: Includes both an electric starter and kickstart.
- Electrical and cooling components: Includes an eight-coil AC stator, flywheel, and cooling fan.
- Long-case layout: Intended for matching long-case applications with a 125mm rear drum brake setup.
- Quality checked: Hand-inspected and QC-verified aftermarket assembly.
Technical Specifications
- Brand: Scooterworks
- Part number: 1100-1484
- Assembly: GY6 150-platform long-case short block
- Engine configuration: Single-cylinder four-stroke
- Cylinder-stud spacing: 54mm
- Cooling: Air-cooled
- Transmission: Automatic CVT
- Starting: Electric and kickstart
- Stator: Eight-coil AC
- Case reference length: 11 inches from rear of case to drive shaft
- Output shaft length: 121mm
- Distance between mounting points: 5 inches
- Rear brake configuration: 125mm drum brake
- Drive belt: 835-20-30
- Engine oil capacity: 0.75 liter
- Gear oil capacity: 0.17 liter (approximately 6 US fl oz)
- Included: Short-block assembly, CVT, stator, flywheel, cooling fan, electric starter, and kickstart
- Not included: Cylinder, cylinder head, cooling shrouds, engine oil, or gear oil
Compatibility
| Application | Required checks |
|---|---|
| Compatible GY6 125cc and 150cc scooters | Match 54mm cylinder-stud spacing, long-case length, mounting points, output shaft, rear drum brake, electrical connections, and intended top-end components |
| GY6-powered ATVs, dirt bikes, and go-karts | Compatible applications only; compare 54mm cylinder-stud spacing, engine mounts, drivetrain layout, case length, brake configuration, and electrical system |
GY6 engines are available in different case lengths to accommodate different wheel sizes. Compare your original engine with the specifications above before ordering. Displacement or vehicle brand alone does not establish compatibility. This is an incomplete engine assembly; final displacement depends on the compatible top end installed.
Before Starting
Shipped dry. Do not run the engine without adding engine oil and gear oil. Complete the engine with the required compatible top end and cooling shrouds before operation. After initial assembly and filling, let the engine idle for a few minutes, then check the engine oil level using the appropriate procedure and add oil if needed.
Shipping & Returns
This engine ships only to the Continental U.S. Engines are nonreturnable except in the event of a manufacturing defect or shipping damage.
This product is intended for off-road use only. This product is not intended for use on public roads or land.
Product Diagrams
Features
Specifications
Brand: Scooterworks; Part number: 1100-1484; Platform: GY6 125/150cc four-stroke; Assembly: Long-case short block; Cylinder-stud spacing: 54mm; Cooling: Air-cooled; Transmission: Automatic CVT; Starting: Electric/kick; Stator: 8-coil AC; Case reference length: 11 inches rear of case to drive shaft; Output shaft: 121mm; Mounting-point distance: 5 inches; Rear brake: 125mm drum; Belt: 835-20-30; Engine oil: 0.75 L; Gear oil: 0.17 L (approximately 6 US fl oz); Cylinder/head/cooling shrouds excluded; Shipped dry; Continental U.S. shipping only
Model Fitments
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Same day shipping for orders placed before 2PM (CST) M-F
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30-day return period on eligible items
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Flat-rate shipping for orders shipped to the 48 Contiguous United States.
