Feature

●This bore up kit allows you to change the displacement from normal 124cc to 143cc by changing the cylinder and piston
●Compatible models: GROM (JC61-100001-12999999), GROM (JC61-130001~), GROM (JC75-100001~)
●Compatible models: MSX125 (MLHJC6181D500001~), MSX125SF
●Displacement: 5.5 fl oz (143 cc); Compression Ratio: 11.0:1; Bore Diameter: 2.2 inches (56 mm); Stroke: 2.3 inches (57.9 mm) (normal)


Description

This bore up kit is for those who are equipped with SP Takekawa sports camshaft.
This bore up kit allows you to change the displacement from normal 124cc to 143cc by changing the cylinder and piston.
By simultaneously attaching the FI Con 2 (injection controller) to achieve torque-full output characteristics unlike normal.
The cylinder adopts an aluminum iron sleeve cylinder.
The surface of the cylinder is painted with a black paint that is similar to normal.
Molybdenum coat is applied to the piston skirt for a better initial fit.
Compression Ratio: 11.0:1, Bore Diameter 2.2 inches (56 mm), Stroke 2.3 inches (57.9 mm) (Normal)



From the Manufacturer



  

We strive to develop products that will surprise and impress your motorcycle.

We develop, manufacture and sell custom motorcycle parts.

Using inherited technologies in engine development, we incorporate new technologies to provide custom parts to meet the ever-changing needs of the two-wheel industry.

It has been highly rated by users all over the world for improved engine output as well as ensuring stability and durability.

We also have developed a number of custom parts such as steering dress up meter to enhance your custom image.

  

  

  

Product description

This bore up kit is for those who are equipped with SP Takekawa sports camshaft.
This bore up kit allows you to change the displacement from normal 124cc to 143cc by changing the cylinder and piston.
By simultaneously attaching the FI Con 2 (injection controller) to achieve torque-full output characteristics unlike normal.
The cylinder adopts an aluminum iron sleeve cylinder.
The surface of the cylinder is painted with a black paint that is similar to normal.
Molybdenum coat is applied to the piston skirt for a better initial fit.
Compression Ratio: 11.0:1, Bore Diameter 2.2 inches (56 mm), Stroke 2.3 inches (57.9 mm) (Normal)

Product information