150cc Engine #B Cylinder Kit 57mm

150cc Engine #B Cylinder Kit 57mm
Product Code: 932-CKIT-57B
Stock In Stock
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Product Description

Chinese 57mm Cylinder Kit Version B.

This Chinese 57mm cylinder kit is the replacement part for many 4-stroke Chinese  ATVs, Dirt Bikes, Go Karts and Scooters. Cylinder kits ship complete with cylinder, 57mm piston, piston rings, piston pin, piston clips, and top end gasket set.  This kit fits 150cc models.  

There are 2 versions of the GY6 150cc engine.  This kit is for version B engine.  PLEASE check measurements and specs BEFORE you order.  Gaskets & fins on jug are also a help in determining the version you have. DOES NOT fit Kazuma 150cc original head exact - off by 1/16" so gaskets do not line up exact on the Kazuma GY6 150cc engine.

 The "A" engine has 54mm spacing, center-to-center, on the cylinder head stud holes.   The "B"  engine has 57mm spacing on the cylinder head stud holes.

Cylinder kit description:

Includes cylinder body [bore 57mm]
Overall height excluding cylinder "lip":  69mm
Head/Base gaskets NOT included
Piston kit also included
Piston Height:  38.5mm
Piston Diameter: 57mm
Piston Pin Length: 41.5mm
Piston Pin Diameter:  15mm
Bottom hole distance: 63mm
Center hole distance: 57mm
Top hole distance: 55mm
Distance hole to hole across piston area:  78mm
Compatible with 150cc 4 stroke

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