[Bore diameter] 52.4mm (Same bore diameter as stock) [Compression ratio] High Comp Piston 12.5: 1 (Stock piston 9.8: 1)
*Not compatible with JA65 (2023) model. *High-octane gasoline specification. *Regarding the installation of the high compression piston kit ・By installing SP Takekawa's High Comp Piston Kit, the engine power and torque will be increased and the crankshaft will be subjected to more torsion and deflection. ・We recommend you to install the crankshaft support adapter to reduce the load on the crankshaft. ・The Crankshaft Support Adaptor adds ball bearing support to the end of the flywheel side of the crankshaft to reduce twisting and deflection and to increase the durability of the crankshaft.Crankshaft support adapter for CT125 (JA55) (Part No: 01-10-0145) *When using FI-CON TYPE-e, a computer or smartphone that meets the requirements is required.If you do not meet the requirements, you will not be able to use this product.You will also need to be connected to the Internet to download software and applications.In the case of an application, a fee is charged. *There may be changes in product specifications due to the manufacturer's reasons.
*Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change.
By replacing the pistons and camshafts without changing the displacement and installing the FI-CON TYPE-e (injection controller) at the same time, the power output can be increased
■High Comp Piston Kit The optimum piston shape and the balance of compression ratios provide a high output performance that no other manufacturer can match. It is possible to increase the power output of the CT125 (JA55) by using the stock cylinder head, stock cylinder, and replacing the piston without changing the displacement. These pistons are designed to achieve high compression ratio, high efficiency combustion and low friction. High rigidity forged aluminum material is used to withstand the high compression ratio.
■Sports Camshaft (N-15) The Sports Camshaft (N-15) is a camshaft developed for entry level models. This is the best profile to get the best performance out of the stock cylinder head, which improves the output performance. In addition, the sports camshaft (N-15) does not have the auto decompression installation structure, so it becomes the specification without decompression when installed.
■FI Controller TYPE-e (Injection Controller) The fuel injection time needs to be corrected by the FI controller because the ideal A / F ratio will be deviated by installing the sports camshaft and exhaust parts. FI-CON TYPE-e is equipped with multiple data set up by SP Takekawa for SP Takekawa engine parts, so you can easily select, change and modify the setting data by PC or smart phone according to your engine specification. The injection time can be adjusted up to 5000μs (maximum) and down to 7500μs (maximum), so it can be used for a wide range of vehicles from stock displacement to those with increased bore. The monitoring function of engine speed, engine temperature, throttle opening degree, and injector opening / closing ratio by PC or smart phone is equipped, so it is very convenient to use it for setting. It can be used with all SP Takegawa products (for CT125) from stock displacement to big bore kit.
・Coupler-on installation to stock ECU!!! Because the coupler that corresponds to the stock ECU is adopted for the wiring of the controller, there is no need to modify the wiring at all, and it can be installed by coupler-on to the stock ECU.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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