Product Description
This MMG big bore cylinder kit includes a 58.5mm cylinder, matching piston, piston ring kit, piston pin, clip set, head gasket, base gasket, and exhaust gasket. The source describes it as a direct bolt-on replacement for GY6 cylinder bodies and identifies compatibility with 157QMJ applications without engine or crankcase machining.
Product Specifications
BrandMMG
Manufacturer Part NumberMYKGP0002
Item Weight3 pounds
Brand NameMMG
Item HighlightDirect bolt-on, No engine/crankcase machining needed, Largest kit without case machining, Fits 157QMJ
Part NumberMYKGP0002
Explicit Manufacturer Part NumberMYKGP0002
Cylinder bore58.5 mm inner diameter
Piston size58.5 mm
ApplicationGY6
Engine designation157QMJ
Stated displacement range150cc-155cc
Machining requirementNo engine or crankcase machining needed
Included components1 cylinder, 1 piston, 1 piston ring kit, 1 piston pin, 1 clip set, 1 head gasket, 1 base gasket, and 1 exhaust gasket