Hyper S-Stage Bore Up Kit (81.2cc) Cub 50 (AA04)

The S-Stage Bore Up Kit allows you to increase your engine displacement to 81cc by simply replacing the cylinder and piston while retaining the stock cylinder head.
By upgrading from the stock 50cc engine to 81cc and installing Takegawa's sports camshaft and FI CON2 (injection controller), you can improve output performance and achieve powerful acceleration.
Furthermore, installing a Takegawa exhaust simultaneously will further enhance output performance.
Please do not use aftermarket H.I.D. kits, ignition coils, or plug cords, as they may cause malfunctions or damage.
Bore Diameter: 48.5mm (Stock: 37.8mm) Compression Ratio: 11.3:1
Compatible Models
: Super Cub 50 (FI) (AA04-1000001)
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