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548.47 EUR (102,960 JPY)
Lieferinformationen
Wenn der Hersteller auf Lager hat, versand ca. 17th Jun. 2026
Einzelheiten zum Produkt
Stock ECU replacement type "Hyper ECU" S-Stage Alpha Big Bore Kit 125cc
You can enjoy torquey output performance that is not found with the stock engine.
Product Configuration
The S-stage Alpha Big Bore Kit 125cc includes the S-stage Big Bore Kit 125cc (sport camshaft included) and Hyper ECU.
**This product is exclusive for motorcycles equipped with SP Takegawa custom parts.
*Do not use in combination with engine parts made by other manufacturers.Failure to do so may result in engine malfunction or failure.
*Please do not install any aftermarket H.I.D kit or any other company's LED headlights or fog lamps at the same time.Some ballasts / inverters (voltage conversion devices) emit high-voltage noise that adversely affects digital circuits, causing product failure or malfunction.
*Do not use other aftermarket ignition devices (ignition coils and plug cords) because they may cause malfunction or product failure due to increased radiated noise caused by rise ignition voltage.
*Do not use other aftermarket power generators because they may cause malfunctions due to insufficient power generation or differences in voltage waveforms.
*Please refrain from installing high-power mobile radio equipment such as amateur radios, as they may cause malfunctions.
*Do not install the headlight ON/OFF switch at the same time.
*There may be changes in product specifications due to the manufacturer's reasons.
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■S Stage Big Bore Kit
This big bore kit can change the displacement from the stock 110cc to 125cc by changing the cylinder and piston.
When installed together with the Hyper ECU, it delivers a torquey output characteristic different from that of the stock ECU.
The cylinder is an aluminum steel sleeve cylinder.
Bore diameter 53.5mm, stroke 55.6mm (stock), compression ratio 10.8:1
■Sports Camshaft
The sport camshaft has an optimized profile that maximizes the performance of the stock cylinder head.
■Sports Camshaft
This is the best profile to maximize the performance of the stock cylinder head and improve the output performance.
■Hyper ECU rev limit: 10500rpm
The hyper ECU controls everything, unlike the conventional performance chip that uses the stock ECU.
Since the installation of big bore kits and exhaust parts can cause a significant deviation from the ideal air-fuel ratio, a hyper ECU must be installed to compensate fuel injection timing.
The Hyper ECU has several built-in setting data sets for SP Takegawa's custom parts, so you can easily select, change, and modify the setting data according to your engine specifications with a simple switch.There is no need for a PC, smartphone, Internet connection, etc, as the setting can simply be done by switch operation.Additionally, 12 preset maps are included for a wide range of custom bikes, including stock engine models with SP Takegawa intake/exhaust parts and SP Takegawa custom engine models with SP Takegawa intake/exhaust parts.
In addition, a fuel adjustment function that can increase or decrease the overall fuel level in the range of -9% to +9% is built in.(Adjustable in 1% increments)
SP Takegawa sets the rev limit at 10500rpm compared to the stock 9800rpm.
Vorsicht
* Wenn eine Bedienungsanleitung enthalten ist, wird diese auf Japanisch verfasst sein.