{"product_id":"tk-01-05-0095","title":"S-Stage Bore Up Kit (81.2cc \/ without camshaft) Cub 50 (AA04)","description":"The S-Stage Bore Up Kit allows you to increase your engine to 81cc by simply replacing the cylinder and piston, while retaining the stock cylinder head.\u003cbr\u003e\nThis kit does not include a camshaft.\u003cbr\u003e\nBy upgrading from the stock 50cc engine to 81cc and installing a Takegawa Sport Camshaft and FI CON2 (injection controller), you can improve power output and achieve a torqueful ride.\u003cbr\u003e\nFurthermore, installing a Takegawa exhaust simultaneously will further enhance power output.\u003cbr\u003e\nWhen assembling this product, you must install the separately sold Takegawa FI CON2 (injection controller) and perform fuel enrichment correction.\u003cbr\u003e\nUsing a bored-up engine without installing the FI CON may cause damage.\u003cbr\u003e\nAlso, do not combine it with products from other manufacturers.\u003cbr\u003e\nFI CON2 (Injection Controller) Part Number: 05-04-0008\u003cbr\u003e\nIf you previously purchased the FI CON2 (injection controller) together with a Sport Camshaft, you can continue to use that FI CON2.\u003cbr\u003e\nIn that case, the built-in\u003cbr\u003e\nBore diameter: 48.5mm (stock 37.8mm) Compression ratio 11.3:1\u003cbr\u003e\nCompatible models\u003cbr\u003e\n: Super Cub 50 (FI) (AA04-1000001)\u003cbr\u003e\n*Images are for illustration purposes only, and product designs and specifications shown may change without notice. Please be aware.","brand":"スペシャルパーツ武川(SPECIAL PARTS TAKEGAWA)","offers":[{"title":"Default Title","offer_id":45581710164203,"sku":"tk-01-05-0095","price":29615.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/tk-01-05-0095.jpg?v=1719896051","url":"https:\/\/bikeman.jp\/en\/products\/tk-01-05-0095","provider":"バイクマン","version":"1.0","type":"link"}