G- Crankshaft 57.8mm Standard Stroker (GY6)

Description: GY6 Crankshaft 57.8mm Standard Stroker assembly for GY6 125/150cc 4-stroke 152QMI / 157QMJ engines.

Temperature Modification May Be Required: You'll need to heat the aluminum crankcase area where the crankshaft bearing side will be placed, in order to fit immediately the freezing crankshaft bearing side. Users assume full responsibility and risk doing so using this crankshaft.

Specifications:

Include the following Crankshaft stroker.

•    1x Crankshaft L: 285mm / Stroke L: 57.8mm
•    1x Piston Wrist Pin Slot ID: 15mm
•    1x Flywheel Shaft Thread: M12 x 16mm
•    1x Flywheel Shaft Bearing: 56mm x 22mm x 15mm
•    1x Variator Shaft Thread: M12 x 16mm
•    1x Variator Shaft Splines: 19
•    1x Variator Shaft Bearing: 56mm x 22mm x 15mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 57mm Stud Spacing (B-Block)
•    Fit Base Dowel Pin Set (10x14mm)
•    Fit GY6 125/150cc+

Supported Models: GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento

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Item Weight & Product Dimensions:
•    6 pounds | 11.5" (L) x 5.25" (W) x 4.75" (H)