You can make it 81cc by simply using the stock cylinder head and replacing the cylinder and piston. ■Sports camshaft included Compatible models: Super Cub 50 (AA04-1000001~) | Super Cub 50 (AA09-1000001~) | Cross Cub 50 (AA06-1000001~) Bore diameter: 48.5mm (normal 37.8mm), compression ratio 11.3 :1 ■Displacement: 81cc ■Sports camshaft included

The S stage bore up kit allows you to increase the size to 81cc by simply using the stock cylinder head and replacing the cylinder and piston. By changing the stock engine from 50cc to 81cc and installing SP Takegawa sports camshaft and FI CON 2 (injection controller), output performance is improved and torque-filled driving is achieved. In addition, by simultaneously installing the SP Takegawa muffler, the output performance will be further improved. Bore diameter: 48.5mm (normal 37.8mm) Compression ratio 11.3:1 ■S stage bore up kit This is the basic kit for the 81cc S stage. Composition of bore-up cylinder, piston kit, sports camshaft, and gaskets. ■Sports camshaft brings out the performance of the stock cylinder head and improves engine output. Precautions for use When assembling this product, be sure to install the separately sold SP TAKEGAWA FI CON 2 (injection controller) and perform fuel increase correction. If you use a bore-up engine without installing FI Con 2, it may cause a malfunction. Also, please do not use it together with products made by other companies. FI CON 2 (injection controller) is a different product for AA04 and AA09. Please check the vehicle before purchasing. FI controller 2 for Super Cub 50 (AA04) Product number 05-04-0008 FI controller 2 for Super Cub 50 (AA09) Product number 05-04-0041


Manufacturer: Special Parts Takegawa
Brand: ‎Special Parts Takegawa (TAKEGAWA)
Model Name: ‎01-05-0096
Package Size: ‎18.2 x 13.4 x 12.6 cm; 1.34 kg
Product Model Number: ‎01-05-0096
Certification: ‎None
Item weight: ‎1.34 Kilograms