Product Description
This Glixal big bore cylinder rebuild kit is designed for GY6 139QMB, 139QMA, and 147QMD engines. It includes an 18.5/20.5mm large-valve cylinder head assembly and is compatible with 69mm long-valve-style heads. The kit uses piston rings with a DLC wear-resistant coating. The included engine side-cover gasket is for the short-case, 8-bolt version. For original 64mm valve heads, the source specifies changing to the rocker arms included in the kit. Manufacturer part number ATMT1-010ML69.
Product Specifications
BrandGlixal
Manufacturer Part NumberATMT1-010ML69
Item Weight8.34 pounds
Package Dimensions16.5 x 12.05 x 4.09 inches
Item model numberATMT1-010ML69
Explicit Manufacturer Part NumberATMT1-010ML69
Bore size50mm
Cylinder head valve size18.5/20.5mm
Head style compatibility69mm long-valve style
Piston ring coatingDLC wear-resistant coating
Engine side-cover gasketShort case, 8 bolt
Product weight8.34 pounds
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|
| — | GY6 | 139QMA | | |
| — | GY6 | 139QMB | | |
| — | GY6 | 147QMD | | |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.