S-stage Big Bore Kit 181cc with Sports Camshaft (N-20), FI Controller 2 (Injection Controller) and Spark Plug.
The pistons included in the kit are the "standard" type for high-octane gasoline.
■S Stage Big Bore Kit 181cc
This is a big bore kit which can change the displacement from stock 124cc to 181cc by changing the cylinder and piston.
By installing the FI-CON 2 (Injection Controller) at the same time, you can achieve a torque-full output characteristic different from the stock.
The cylinder is an all aluminum ceramic cylinder with excellent durability, airtightness and heat dissipation.
The cylinder body is equipped with an oil outlet to the oil cooler.
SP Takegawa oil cooler kit (sold separately) is recommended.
The M5 sensor can be mounted on the oil plug bolt, and the cylinder temperature can be measured by using SP Takegawa's compact LCD thermometer set with temperature sensor.
■Sports Camshaft (N-20)
This is the best profile to maximize the performance of the stock cylinder head and improve the output performance.
When the decompression parts are removed from the stock camshaft and assembled to the sports camshaft, it becomes an auto decompression mechanism.
■FI Controller 2 (Injection Controller)
This is SP Takegawa's original injection controller that can be easily changed by switching the rotary switch on the main unit without the need for troublesome data input by PC.
It has various 3D correction maps which are set up for SP Takegawa's custom parts, and can be set up according to the specifications of the vehicle.
In addition, the built-in correction map can be fine-tuned by using the rotary switch on the main unit.
The FI-CON 2 comes with a dedicated harness COMP. and can be installed with minimal wiring modifications.
■S Stage Alpha Big Bore Kit 181cc
S-stage Big Bore Kit 181cc with Sports Camshaft (N-20), FI Controller 2 (Injection Controller) and Spark Plug.