Main Menu
Your Cart

G- Crankcase 63mm Bore A-Block 54mm (GY6 longcase)

G- Crankcase 63mm Bore A-Block 54mm (GY6 longcase)

Description: Crankcase 63mm Bore A-Block 54mm GY6 longcase. The crankcase bore is a 63mm opening and can fit 54mm A-Block 61mm cylinder and 61mm cylinder head.

NOTE: This is NOT a complete engine. Need to reuse donor parts from A-Block (54mm) or B-Block (57mm) - longcase. Does not include an engine gasket set, see Part# 1100-1277.


Includes the following Left and Right Crankcase.

•    1x Crankcase 63mm Bore (left, 20” longcase)
•    1x Crankcase 63mm Bore (right, w/out oil portholes)
•    Fit Intake Studs: M6 / Nuts: M6 Socket: 10mm
•    Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 12mm
    Fit Crankcase BoltsM6 / Washers: M6 Socket: 8mm
•    Fit Cylinder Studs: 195mm 203mm / Nuts: M8 / Washers: M8 / Side Bolts: M6 / Socket: 8mm-12mm
    Fit Flywheel/Variator/Clutch Shaft Nuts: M12 / Washers: M12 / Socket: 17mm
•    Fit 54mm Stud Spacing (A-Block)
•    Fit 54mm Rocker Arm 2V Assembly
•    Fit Crankshaft 
57.8mm +3mm
•    Fit Dowel Pin Set (8x14mm)
•    Fit Dowel Pin Set (10x14mm)
•    Fit Cam Chain 46 (92) links
•    Fit Chain Guide (standard)
•    Fit 54mm Cylinder 57.4mm to 61mm
•    Fit 54mm Cylinder Head 59mm to 61mm
•    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 & Package Dimensions:
•    13.625 pounds | 20.375" (L) x 9.625" (W) x 9.375" (H)

Write a review

Note: HTML is not translated!
Bad Good
G- Crankcase 63mm Bore A-Block 54mm (GY6 longcase)
  • Stock: 39
  • Reward Points: 6
  • Part #: 1100-1418
Sold: 1
Views: 9549
Price in reward points: 167