S-Stage 138cc Bore Up Kit, No Camshaft, Z125 PRO

Details:
・Camshaft not included
・This product is intended for use with Takegawa Sports Camshaft N-10 or Optional Camshaft N-20. It cannot be used with the stock camshaft.
・The cylinder of this product may interfere with the normal crankcase due to individual differences. If interference occurs, the normal crankcase must be modified. Please be aware.
・Due to individual differences in the cylinder head, interference may occur when installing the camshaft. If interference occurs, the cylinder head must be modified.
・Since the output will increase from stock, the load on various parts such as the transmission will be greater. Please be very careful of damage.
・If this product is processed or modified, it will not be covered by the warranty.
*Precautions:
・If this product is installed and used with the stock ECU, the engine may suffer a serious failure. Be sure to install Takegawa's FI controller "FI Con Type-e" at the same time.
・This product is set to have a higher compression ratio compared to the stock. Always use high-octane gasoline. If regular gasoline is used, abnormal combustion may occur, preventing the product from performing at its full potential and potentially causing piston damage and serious failure. Please also be careful of gasoline remaining in the fuel tank before product installation. If regular gasoline remains, be sure to replace it with high-octane gasoline.
・Always replace the spark plug with CR8HSA (NGK) or U24FSR-U (DENSO). Afterwards, determine the heat range based on the焼け具合 (焼け具合) of the spark plug electrode.
・When this product is installed, resonance noise from the cylinder cooling fan may occur. In this case, attach the damper in the kit to the cylinder in the kit to address the issue. Compatible models/Compatible frame numbers: KAWASAKI Z125PRO/BR125H-A02621～
*Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Please understand.