Blue Line Crankshaft (Complete); GY6
Blue Line Crankshaft (Complete); GY6
$67.79
10 in stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
Description
Blue Line Crankshaft (Complete); GY6 is an OEM-style replacement crankshaft assembly for compatible 139QMB scooter engines.
Specifications
- Stroke: 57.8mm Overall Length: 285mm Flywheel Thread Size: M12x1.25 Flywheel Thread Length: 14mm Drive End Thread Size: M12x1.25 Drive End Thread Length: 14mm Inner Diameter (piston pin hole): 15mm Number of Splines: 19 Main bearings included Compatibility:157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes QM or FM, this product is compatible with your vehicle.About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.nnSPECIFICATIONS: Piston, pin and circlips sold separately, but available online Stroke: 57.8mm Overall Length: 285mm Flywheel Thread Size: M12x1.25 Flywheel Thread Length: 14mm Drive End Thread Size: M12x1.25 Drive End Thread Length: 14mm Inner Diameter (piston pin hole): 15mm Number of Splines: 19 Main bearings includednnCOMPATIBILITY: 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.nn157QMJ ENGINES: 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Li
Additional information
| Weight | 6.55 lbs |
|---|---|
| Dimensions | 6.5 × 5.5 × 12 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 125cc, 150cc, GY6
- Engine Code: 1P52FMI, 1P57QMJ, 1P61QMK, 139QMB, 157QMJ, 161QMK, BN157QMJ, BN161QMK, JJ157QMJ, NN157QMJ
- Fitment Notes: OEM
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 1P52FMI engine?
A: This SKU is listed as compatible with 1P52FMI engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 125cc scooters?
A: This SKU is listed with 125cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 6.55 lbs |
|---|---|
| Dimensions | 6.5 × 5.5 × 12 in |
