Hoca Crankshaft +2.5mm Stroker (GY6)
Description: Hoca Crankshaft 57.8mm +2.5mm Stroker Crank increases standard stroke by 2.5mm more displacement equals more power for GY6 125/150cc+ 4 Stroke!
Temperature Modification May Be Required: You'll need to heat the aluminum crankcase area where the Hoca Crankshaft bearing side will be placed, in order to immediately fit the frozen crankshaft bearing, seating flush in place. Users assume full responsibility and risk doing so using this Hoca Crankshaft.
Include the following Crankshaft stroker.
• 1x Crankshaft L: 285mm / Stroke L: 57.8mm +2.5mm (2500-micron) = 60.3mm
• 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
• Made in Taiwan
• Fit Flywheel/Variator Shaft Nuts: M12 / Washers: M12 / Socket: 17mm
• Fit 54mm Stud Spacing (A-Block)
• Fit 57mm Stud Spacing (B-Block)
• Fit Dowel Pin Set (8x14mm)
• Fit Dowel Pin Set (10x14mm)
• Fit GY6 125/150cc+
• Optional: cut plastic fan shroud for best fitment
Supported Models: GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Ruckus, Vento
Item Weight & Product Dimensions:
• 6.4 pounds | 11.5" (L) x 5.25" (W) x 4.75" (H)