Product Details
DESCRIPTION: Universal Parts Electric Starter Motor for 250cc 4-stroke water-cooled CN250 172mm engines.Bolt Hole Spacing: 38mmShaft Diameter: 11½mmShaft Length: 18mmNumber of Splines: 9Shaft Spins Clockwise When Facing Towards You250cc 172mm 4-stroke, Boreem (BMS), CFmoto V3/V5, Honda, Kazuma, Roketa, SUNL, Tank, Various unlisted makes/models
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 250cc, 4-Stroke
- Fits Models / Common Applications: CFMoto and other compatible models may apply.
- Fitment Notes: Electric, Universal Fit, Water Cooled
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a CFMoto?
A: This SKU is listed with CFMoto model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 250cc scooters?
A: This SKU is listed with 250cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 3.3 lbs |
|---|---|
| Dimensions | 7 × 4 × 4 in |
Restore reliable cranking power to your maxi-scooter or utility buggy with this Blue Line 250cc Electric Starter Motor. Built as a direct OEM-equivalent replacement for CN250 / 172mm 4-stroke water-cooled engines, this heavy-duty starter handles high-compression starting cycles and resists internal electrical wear for smooth engine turn-over every time.
Key Features
- 9-Spline Drive Shaft: Precision-cut for perfect engagement with the starter clutch, preventing gear slip and premature wear
- Clockwise Rotation: Built to factory spec — spins clockwise when facing the output shaft
- High-Torque Windings: Heavy-duty copper armature windings deliver optimal torque in both cold-start and high-temperature conditions
- Direct OEM Replacement: Bolt-on fit for CN250 / 172mm engine platforms — no modifications required
Technical Specifications
- Bolt Hole Spacing: 38mm center-to-center
- Drive Shaft Diameter: 11.5mm
- Drive Shaft Length: 18mm
- Spline Count: 9
- Rotation: Clockwise (facing output shaft)
- Engine Type: CN250 / 172mm 4-stroke water-cooled
| Engine | Compatible Brands & Models |
|---|---|
| CN250 / 172mm 4-Stroke Water-Cooled |
CFMoto V3 / V5, Boreem (BMS), Honda Helix (CN250), Kazuma, Roketa, SUNL, Tank Sports, and most 250cc maxi-scooters and utility buggies using the 172mm engine block |
About Blue Line
Blue Line provides quality OEM-equivalent replacement components for scooters and powersports vehicles, delivering reliable parts at competitive prices for mechanics and enthusiasts worldwide.





